diff --git a/dashboard-ui/bower_components/emby-webcomponents/emby-button/emby-button.css b/dashboard-ui/bower_components/emby-webcomponents/emby-button/emby-button.css
index d7ef9e7faa..a17903acf2 100644
--- a/dashboard-ui/bower_components/emby-webcomponents/emby-button/emby-button.css
+++ b/dashboard-ui/bower_components/emby-webcomponents/emby-button/emby-button.css
@@ -32,6 +32,10 @@
     box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);
 }
 
+    .emby-button::-moz-focus-inner {
+        border: 0;
+    }
+
 .button-flat {
     background: transparent;
     box-shadow: none;
@@ -138,6 +142,10 @@
     justify-content: center;
 }
 
+    .paper-icon-button-light::-moz-focus-inner {
+        border: 0;
+    }
+
     .paper-icon-button-light[disabled] {
         opacity: .3;
     }
diff --git a/dashboard-ui/bower_components/emby-webcomponents/guide/guide.js b/dashboard-ui/bower_components/emby-webcomponents/guide/guide.js
index 7a4b56c3dc..2969522208 100644
--- a/dashboard-ui/bower_components/emby-webcomponents/guide/guide.js
+++ b/dashboard-ui/bower_components/emby-webcomponents/guide/guide.js
@@ -310,9 +310,11 @@
                 return curr.ChannelId == channel.Id;
             });
 
-            var cssClass = layoutManager.tv ? 'channelPrograms channelPrograms-tv' : 'channelPrograms';
+            var outerCssClass = layoutManager.tv ? 'channelPrograms channelPrograms-tv' : 'channelPrograms';
 
-            html += '<div class="' + cssClass + '" data-channelid="' + channel.Id + '">';
+            html += '<div class="' + outerCssClass + '" data-channelid="' + channel.Id + '">';
+
+            var clickAction = layoutManager.tv ? 'link' : 'programdialog';
 
             for (var i = 0, length = programs.length; i < length; i++) {
 
@@ -367,7 +369,7 @@
                 if (program.SeriesTimerId) {
                     timerAttributes += ' data-seriestimerid="' + program.SeriesTimerId + '"';
                 }
-                html += '<button data-action="programdialog"' + timerAttributes + ' data-isfolder="' + program.IsFolder + '" data-id="' + program.Id + '" data-serverid="' + program.ServerId + '" data-type="' + program.Type + '" class="' + cssClass + '" style="left:' + startPercent + '%;width:' + endPercent + '%;">';
+                html += '<button data-action="' + clickAction + '"' + timerAttributes + ' data-isfolder="' + program.IsFolder + '" data-id="' + program.Id + '" data-serverid="' + program.ServerId + '" data-type="' + program.Type + '" class="' + cssClass + '" style="left:' + startPercent + '%;width:' + endPercent + '%;">';
 
                 var guideProgramNameClass = "guideProgramName";
 
diff --git a/dashboard-ui/bower_components/emby-webcomponents/recordingcreator/recordingcreator.js b/dashboard-ui/bower_components/emby-webcomponents/recordingcreator/recordingcreator.js
index ff2c0133dd..62c048ecc1 100644
--- a/dashboard-ui/bower_components/emby-webcomponents/recordingcreator/recordingcreator.js
+++ b/dashboard-ui/bower_components/emby-webcomponents/recordingcreator/recordingcreator.js
@@ -365,6 +365,8 @@
             recordingCreated = false;
             currentProgramId = itemId;
             currentServerId = serverId;
+            closeAction = null;
+
             loading.show();
 
             require(['text!./recordingcreator.template.html'], function (template) {
diff --git a/dashboard-ui/bower_components/webcomponentsjs/.bower.json b/dashboard-ui/bower_components/webcomponentsjs/.bower.json
new file mode 100644
index 0000000000..5efe1b061e
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/.bower.json
@@ -0,0 +1,31 @@
+{
+  "name": "webcomponentsjs",
+  "main": "webcomponents.js",
+  "version": "0.7.22",
+  "homepage": "http://webcomponents.org",
+  "authors": [
+    "The Polymer Authors"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/webcomponents/webcomponentsjs.git"
+  },
+  "keywords": [
+    "webcomponents"
+  ],
+  "license": "BSD",
+  "ignore": [],
+  "devDependencies": {
+    "web-component-tester": "^4.0.1"
+  },
+  "_release": "0.7.22",
+  "_resolution": {
+    "type": "version",
+    "tag": "v0.7.22",
+    "commit": "50f9751f8e638301603aebb33ba9f1e90d2b0d32"
+  },
+  "_source": "https://github.com/Polymer/webcomponentsjs.git",
+  "_target": "^0.7.22",
+  "_originalSource": "webcomponentsjs",
+  "_direct": true
+}
\ No newline at end of file
diff --git a/dashboard-ui/bower_components/webcomponentsjs/CustomElements.js b/dashboard-ui/bower_components/webcomponentsjs/CustomElements.js
new file mode 100644
index 0000000000..931f6c22e1
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/CustomElements.js
@@ -0,0 +1,1029 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
+if (typeof WeakMap === "undefined") {
+  (function() {
+    var defineProperty = Object.defineProperty;
+    var counter = Date.now() % 1e9;
+    var WeakMap = function() {
+      this.name = "__st" + (Math.random() * 1e9 >>> 0) + (counter++ + "__");
+    };
+    WeakMap.prototype = {
+      set: function(key, value) {
+        var entry = key[this.name];
+        if (entry && entry[0] === key) entry[1] = value; else defineProperty(key, this.name, {
+          value: [ key, value ],
+          writable: true
+        });
+        return this;
+      },
+      get: function(key) {
+        var entry;
+        return (entry = key[this.name]) && entry[0] === key ? entry[1] : undefined;
+      },
+      "delete": function(key) {
+        var entry = key[this.name];
+        if (!entry || entry[0] !== key) return false;
+        entry[0] = entry[1] = undefined;
+        return true;
+      },
+      has: function(key) {
+        var entry = key[this.name];
+        if (!entry) return false;
+        return entry[0] === key;
+      }
+    };
+    window.WeakMap = WeakMap;
+  })();
+}
+
+(function(global) {
+  if (global.JsMutationObserver) {
+    return;
+  }
+  var registrationsTable = new WeakMap();
+  var setImmediate;
+  if (/Trident|Edge/.test(navigator.userAgent)) {
+    setImmediate = setTimeout;
+  } else if (window.setImmediate) {
+    setImmediate = window.setImmediate;
+  } else {
+    var setImmediateQueue = [];
+    var sentinel = String(Math.random());
+    window.addEventListener("message", function(e) {
+      if (e.data === sentinel) {
+        var queue = setImmediateQueue;
+        setImmediateQueue = [];
+        queue.forEach(function(func) {
+          func();
+        });
+      }
+    });
+    setImmediate = function(func) {
+      setImmediateQueue.push(func);
+      window.postMessage(sentinel, "*");
+    };
+  }
+  var isScheduled = false;
+  var scheduledObservers = [];
+  function scheduleCallback(observer) {
+    scheduledObservers.push(observer);
+    if (!isScheduled) {
+      isScheduled = true;
+      setImmediate(dispatchCallbacks);
+    }
+  }
+  function wrapIfNeeded(node) {
+    return window.ShadowDOMPolyfill && window.ShadowDOMPolyfill.wrapIfNeeded(node) || node;
+  }
+  function dispatchCallbacks() {
+    isScheduled = false;
+    var observers = scheduledObservers;
+    scheduledObservers = [];
+    observers.sort(function(o1, o2) {
+      return o1.uid_ - o2.uid_;
+    });
+    var anyNonEmpty = false;
+    observers.forEach(function(observer) {
+      var queue = observer.takeRecords();
+      removeTransientObserversFor(observer);
+      if (queue.length) {
+        observer.callback_(queue, observer);
+        anyNonEmpty = true;
+      }
+    });
+    if (anyNonEmpty) dispatchCallbacks();
+  }
+  function removeTransientObserversFor(observer) {
+    observer.nodes_.forEach(function(node) {
+      var registrations = registrationsTable.get(node);
+      if (!registrations) return;
+      registrations.forEach(function(registration) {
+        if (registration.observer === observer) registration.removeTransientObservers();
+      });
+    });
+  }
+  function forEachAncestorAndObserverEnqueueRecord(target, callback) {
+    for (var node = target; node; node = node.parentNode) {
+      var registrations = registrationsTable.get(node);
+      if (registrations) {
+        for (var j = 0; j < registrations.length; j++) {
+          var registration = registrations[j];
+          var options = registration.options;
+          if (node !== target && !options.subtree) continue;
+          var record = callback(options);
+          if (record) registration.enqueue(record);
+        }
+      }
+    }
+  }
+  var uidCounter = 0;
+  function JsMutationObserver(callback) {
+    this.callback_ = callback;
+    this.nodes_ = [];
+    this.records_ = [];
+    this.uid_ = ++uidCounter;
+  }
+  JsMutationObserver.prototype = {
+    observe: function(target, options) {
+      target = wrapIfNeeded(target);
+      if (!options.childList && !options.attributes && !options.characterData || options.attributeOldValue && !options.attributes || options.attributeFilter && options.attributeFilter.length && !options.attributes || options.characterDataOldValue && !options.characterData) {
+        throw new SyntaxError();
+      }
+      var registrations = registrationsTable.get(target);
+      if (!registrations) registrationsTable.set(target, registrations = []);
+      var registration;
+      for (var i = 0; i < registrations.length; i++) {
+        if (registrations[i].observer === this) {
+          registration = registrations[i];
+          registration.removeListeners();
+          registration.options = options;
+          break;
+        }
+      }
+      if (!registration) {
+        registration = new Registration(this, target, options);
+        registrations.push(registration);
+        this.nodes_.push(target);
+      }
+      registration.addListeners();
+    },
+    disconnect: function() {
+      this.nodes_.forEach(function(node) {
+        var registrations = registrationsTable.get(node);
+        for (var i = 0; i < registrations.length; i++) {
+          var registration = registrations[i];
+          if (registration.observer === this) {
+            registration.removeListeners();
+            registrations.splice(i, 1);
+            break;
+          }
+        }
+      }, this);
+      this.records_ = [];
+    },
+    takeRecords: function() {
+      var copyOfRecords = this.records_;
+      this.records_ = [];
+      return copyOfRecords;
+    }
+  };
+  function MutationRecord(type, target) {
+    this.type = type;
+    this.target = target;
+    this.addedNodes = [];
+    this.removedNodes = [];
+    this.previousSibling = null;
+    this.nextSibling = null;
+    this.attributeName = null;
+    this.attributeNamespace = null;
+    this.oldValue = null;
+  }
+  function copyMutationRecord(original) {
+    var record = new MutationRecord(original.type, original.target);
+    record.addedNodes = original.addedNodes.slice();
+    record.removedNodes = original.removedNodes.slice();
+    record.previousSibling = original.previousSibling;
+    record.nextSibling = original.nextSibling;
+    record.attributeName = original.attributeName;
+    record.attributeNamespace = original.attributeNamespace;
+    record.oldValue = original.oldValue;
+    return record;
+  }
+  var currentRecord, recordWithOldValue;
+  function getRecord(type, target) {
+    return currentRecord = new MutationRecord(type, target);
+  }
+  function getRecordWithOldValue(oldValue) {
+    if (recordWithOldValue) return recordWithOldValue;
+    recordWithOldValue = copyMutationRecord(currentRecord);
+    recordWithOldValue.oldValue = oldValue;
+    return recordWithOldValue;
+  }
+  function clearRecords() {
+    currentRecord = recordWithOldValue = undefined;
+  }
+  function recordRepresentsCurrentMutation(record) {
+    return record === recordWithOldValue || record === currentRecord;
+  }
+  function selectRecord(lastRecord, newRecord) {
+    if (lastRecord === newRecord) return lastRecord;
+    if (recordWithOldValue && recordRepresentsCurrentMutation(lastRecord)) return recordWithOldValue;
+    return null;
+  }
+  function Registration(observer, target, options) {
+    this.observer = observer;
+    this.target = target;
+    this.options = options;
+    this.transientObservedNodes = [];
+  }
+  Registration.prototype = {
+    enqueue: function(record) {
+      var records = this.observer.records_;
+      var length = records.length;
+      if (records.length > 0) {
+        var lastRecord = records[length - 1];
+        var recordToReplaceLast = selectRecord(lastRecord, record);
+        if (recordToReplaceLast) {
+          records[length - 1] = recordToReplaceLast;
+          return;
+        }
+      } else {
+        scheduleCallback(this.observer);
+      }
+      records[length] = record;
+    },
+    addListeners: function() {
+      this.addListeners_(this.target);
+    },
+    addListeners_: function(node) {
+      var options = this.options;
+      if (options.attributes) node.addEventListener("DOMAttrModified", this, true);
+      if (options.characterData) node.addEventListener("DOMCharacterDataModified", this, true);
+      if (options.childList) node.addEventListener("DOMNodeInserted", this, true);
+      if (options.childList || options.subtree) node.addEventListener("DOMNodeRemoved", this, true);
+    },
+    removeListeners: function() {
+      this.removeListeners_(this.target);
+    },
+    removeListeners_: function(node) {
+      var options = this.options;
+      if (options.attributes) node.removeEventListener("DOMAttrModified", this, true);
+      if (options.characterData) node.removeEventListener("DOMCharacterDataModified", this, true);
+      if (options.childList) node.removeEventListener("DOMNodeInserted", this, true);
+      if (options.childList || options.subtree) node.removeEventListener("DOMNodeRemoved", this, true);
+    },
+    addTransientObserver: function(node) {
+      if (node === this.target) return;
+      this.addListeners_(node);
+      this.transientObservedNodes.push(node);
+      var registrations = registrationsTable.get(node);
+      if (!registrations) registrationsTable.set(node, registrations = []);
+      registrations.push(this);
+    },
+    removeTransientObservers: function() {
+      var transientObservedNodes = this.transientObservedNodes;
+      this.transientObservedNodes = [];
+      transientObservedNodes.forEach(function(node) {
+        this.removeListeners_(node);
+        var registrations = registrationsTable.get(node);
+        for (var i = 0; i < registrations.length; i++) {
+          if (registrations[i] === this) {
+            registrations.splice(i, 1);
+            break;
+          }
+        }
+      }, this);
+    },
+    handleEvent: function(e) {
+      e.stopImmediatePropagation();
+      switch (e.type) {
+       case "DOMAttrModified":
+        var name = e.attrName;
+        var namespace = e.relatedNode.namespaceURI;
+        var target = e.target;
+        var record = new getRecord("attributes", target);
+        record.attributeName = name;
+        record.attributeNamespace = namespace;
+        var oldValue = e.attrChange === MutationEvent.ADDITION ? null : e.prevValue;
+        forEachAncestorAndObserverEnqueueRecord(target, function(options) {
+          if (!options.attributes) return;
+          if (options.attributeFilter && options.attributeFilter.length && options.attributeFilter.indexOf(name) === -1 && options.attributeFilter.indexOf(namespace) === -1) {
+            return;
+          }
+          if (options.attributeOldValue) return getRecordWithOldValue(oldValue);
+          return record;
+        });
+        break;
+
+       case "DOMCharacterDataModified":
+        var target = e.target;
+        var record = getRecord("characterData", target);
+        var oldValue = e.prevValue;
+        forEachAncestorAndObserverEnqueueRecord(target, function(options) {
+          if (!options.characterData) return;
+          if (options.characterDataOldValue) return getRecordWithOldValue(oldValue);
+          return record;
+        });
+        break;
+
+       case "DOMNodeRemoved":
+        this.addTransientObserver(e.target);
+
+       case "DOMNodeInserted":
+        var changedNode = e.target;
+        var addedNodes, removedNodes;
+        if (e.type === "DOMNodeInserted") {
+          addedNodes = [ changedNode ];
+          removedNodes = [];
+        } else {
+          addedNodes = [];
+          removedNodes = [ changedNode ];
+        }
+        var previousSibling = changedNode.previousSibling;
+        var nextSibling = changedNode.nextSibling;
+        var record = getRecord("childList", e.target.parentNode);
+        record.addedNodes = addedNodes;
+        record.removedNodes = removedNodes;
+        record.previousSibling = previousSibling;
+        record.nextSibling = nextSibling;
+        forEachAncestorAndObserverEnqueueRecord(e.relatedNode, function(options) {
+          if (!options.childList) return;
+          return record;
+        });
+      }
+      clearRecords();
+    }
+  };
+  global.JsMutationObserver = JsMutationObserver;
+  if (!global.MutationObserver) {
+    global.MutationObserver = JsMutationObserver;
+    JsMutationObserver._isPolyfilled = true;
+  }
+})(self);
+
+(function(scope) {
+  "use strict";
+  if (!window.performance) {
+    var start = Date.now();
+    window.performance = {
+      now: function() {
+        return Date.now() - start;
+      }
+    };
+  }
+  if (!window.requestAnimationFrame) {
+    window.requestAnimationFrame = function() {
+      var nativeRaf = window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
+      return nativeRaf ? function(callback) {
+        return nativeRaf(function() {
+          callback(performance.now());
+        });
+      } : function(callback) {
+        return window.setTimeout(callback, 1e3 / 60);
+      };
+    }();
+  }
+  if (!window.cancelAnimationFrame) {
+    window.cancelAnimationFrame = function() {
+      return window.webkitCancelAnimationFrame || window.mozCancelAnimationFrame || function(id) {
+        clearTimeout(id);
+      };
+    }();
+  }
+  var workingDefaultPrevented = function() {
+    var e = document.createEvent("Event");
+    e.initEvent("foo", true, true);
+    e.preventDefault();
+    return e.defaultPrevented;
+  }();
+  if (!workingDefaultPrevented) {
+    var origPreventDefault = Event.prototype.preventDefault;
+    Event.prototype.preventDefault = function() {
+      if (!this.cancelable) {
+        return;
+      }
+      origPreventDefault.call(this);
+      Object.defineProperty(this, "defaultPrevented", {
+        get: function() {
+          return true;
+        },
+        configurable: true
+      });
+    };
+  }
+  var isIE = /Trident/.test(navigator.userAgent);
+  if (!window.CustomEvent || isIE && typeof window.CustomEvent !== "function") {
+    window.CustomEvent = function(inType, params) {
+      params = params || {};
+      var e = document.createEvent("CustomEvent");
+      e.initCustomEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable), params.detail);
+      return e;
+    };
+    window.CustomEvent.prototype = window.Event.prototype;
+  }
+  if (!window.Event || isIE && typeof window.Event !== "function") {
+    var origEvent = window.Event;
+    window.Event = function(inType, params) {
+      params = params || {};
+      var e = document.createEvent("Event");
+      e.initEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable));
+      return e;
+    };
+    window.Event.prototype = origEvent.prototype;
+  }
+})(window.WebComponents);
+
+window.CustomElements = window.CustomElements || {
+  flags: {}
+};
+
+(function(scope) {
+  var flags = scope.flags;
+  var modules = [];
+  var addModule = function(module) {
+    modules.push(module);
+  };
+  var initializeModules = function() {
+    modules.forEach(function(module) {
+      module(scope);
+    });
+  };
+  scope.addModule = addModule;
+  scope.initializeModules = initializeModules;
+  scope.hasNative = Boolean(document.registerElement);
+  scope.isIE = /Trident/.test(navigator.userAgent);
+  scope.useNative = !flags.register && scope.hasNative && !window.ShadowDOMPolyfill && (!window.HTMLImports || window.HTMLImports.useNative);
+})(window.CustomElements);
+
+window.CustomElements.addModule(function(scope) {
+  var IMPORT_LINK_TYPE = window.HTMLImports ? window.HTMLImports.IMPORT_LINK_TYPE : "none";
+  function forSubtree(node, cb) {
+    findAllElements(node, function(e) {
+      if (cb(e)) {
+        return true;
+      }
+      forRoots(e, cb);
+    });
+    forRoots(node, cb);
+  }
+  function findAllElements(node, find, data) {
+    var e = node.firstElementChild;
+    if (!e) {
+      e = node.firstChild;
+      while (e && e.nodeType !== Node.ELEMENT_NODE) {
+        e = e.nextSibling;
+      }
+    }
+    while (e) {
+      if (find(e, data) !== true) {
+        findAllElements(e, find, data);
+      }
+      e = e.nextElementSibling;
+    }
+    return null;
+  }
+  function forRoots(node, cb) {
+    var root = node.shadowRoot;
+    while (root) {
+      forSubtree(root, cb);
+      root = root.olderShadowRoot;
+    }
+  }
+  function forDocumentTree(doc, cb) {
+    _forDocumentTree(doc, cb, []);
+  }
+  function _forDocumentTree(doc, cb, processingDocuments) {
+    doc = window.wrap(doc);
+    if (processingDocuments.indexOf(doc) >= 0) {
+      return;
+    }
+    processingDocuments.push(doc);
+    var imports = doc.querySelectorAll("link[rel=" + IMPORT_LINK_TYPE + "]");
+    for (var i = 0, l = imports.length, n; i < l && (n = imports[i]); i++) {
+      if (n.import) {
+        _forDocumentTree(n.import, cb, processingDocuments);
+      }
+    }
+    cb(doc);
+  }
+  scope.forDocumentTree = forDocumentTree;
+  scope.forSubtree = forSubtree;
+});
+
+window.CustomElements.addModule(function(scope) {
+  var flags = scope.flags;
+  var forSubtree = scope.forSubtree;
+  var forDocumentTree = scope.forDocumentTree;
+  function addedNode(node, isAttached) {
+    return added(node, isAttached) || addedSubtree(node, isAttached);
+  }
+  function added(node, isAttached) {
+    if (scope.upgrade(node, isAttached)) {
+      return true;
+    }
+    if (isAttached) {
+      attached(node);
+    }
+  }
+  function addedSubtree(node, isAttached) {
+    forSubtree(node, function(e) {
+      if (added(e, isAttached)) {
+        return true;
+      }
+    });
+  }
+  var hasThrottledAttached = window.MutationObserver._isPolyfilled && flags["throttle-attached"];
+  scope.hasPolyfillMutations = hasThrottledAttached;
+  scope.hasThrottledAttached = hasThrottledAttached;
+  var isPendingMutations = false;
+  var pendingMutations = [];
+  function deferMutation(fn) {
+    pendingMutations.push(fn);
+    if (!isPendingMutations) {
+      isPendingMutations = true;
+      setTimeout(takeMutations);
+    }
+  }
+  function takeMutations() {
+    isPendingMutations = false;
+    var $p = pendingMutations;
+    for (var i = 0, l = $p.length, p; i < l && (p = $p[i]); i++) {
+      p();
+    }
+    pendingMutations = [];
+  }
+  function attached(element) {
+    if (hasThrottledAttached) {
+      deferMutation(function() {
+        _attached(element);
+      });
+    } else {
+      _attached(element);
+    }
+  }
+  function _attached(element) {
+    if (element.__upgraded__ && !element.__attached) {
+      element.__attached = true;
+      if (element.attachedCallback) {
+        element.attachedCallback();
+      }
+    }
+  }
+  function detachedNode(node) {
+    detached(node);
+    forSubtree(node, function(e) {
+      detached(e);
+    });
+  }
+  function detached(element) {
+    if (hasThrottledAttached) {
+      deferMutation(function() {
+        _detached(element);
+      });
+    } else {
+      _detached(element);
+    }
+  }
+  function _detached(element) {
+    if (element.__upgraded__ && element.__attached) {
+      element.__attached = false;
+      if (element.detachedCallback) {
+        element.detachedCallback();
+      }
+    }
+  }
+  function inDocument(element) {
+    var p = element;
+    var doc = window.wrap(document);
+    while (p) {
+      if (p == doc) {
+        return true;
+      }
+      p = p.parentNode || p.nodeType === Node.DOCUMENT_FRAGMENT_NODE && p.host;
+    }
+  }
+  function watchShadow(node) {
+    if (node.shadowRoot && !node.shadowRoot.__watched) {
+      flags.dom && console.log("watching shadow-root for: ", node.localName);
+      var root = node.shadowRoot;
+      while (root) {
+        observe(root);
+        root = root.olderShadowRoot;
+      }
+    }
+  }
+  function handler(root, mutations) {
+    if (flags.dom) {
+      var mx = mutations[0];
+      if (mx && mx.type === "childList" && mx.addedNodes) {
+        if (mx.addedNodes) {
+          var d = mx.addedNodes[0];
+          while (d && d !== document && !d.host) {
+            d = d.parentNode;
+          }
+          var u = d && (d.URL || d._URL || d.host && d.host.localName) || "";
+          u = u.split("/?").shift().split("/").pop();
+        }
+      }
+      console.group("mutations (%d) [%s]", mutations.length, u || "");
+    }
+    var isAttached = inDocument(root);
+    mutations.forEach(function(mx) {
+      if (mx.type === "childList") {
+        forEach(mx.addedNodes, function(n) {
+          if (!n.localName) {
+            return;
+          }
+          addedNode(n, isAttached);
+        });
+        forEach(mx.removedNodes, function(n) {
+          if (!n.localName) {
+            return;
+          }
+          detachedNode(n);
+        });
+      }
+    });
+    flags.dom && console.groupEnd();
+  }
+  function takeRecords(node) {
+    node = window.wrap(node);
+    if (!node) {
+      node = window.wrap(document);
+    }
+    while (node.parentNode) {
+      node = node.parentNode;
+    }
+    var observer = node.__observer;
+    if (observer) {
+      handler(node, observer.takeRecords());
+      takeMutations();
+    }
+  }
+  var forEach = Array.prototype.forEach.call.bind(Array.prototype.forEach);
+  function observe(inRoot) {
+    if (inRoot.__observer) {
+      return;
+    }
+    var observer = new MutationObserver(handler.bind(this, inRoot));
+    observer.observe(inRoot, {
+      childList: true,
+      subtree: true
+    });
+    inRoot.__observer = observer;
+  }
+  function upgradeDocument(doc) {
+    doc = window.wrap(doc);
+    flags.dom && console.group("upgradeDocument: ", doc.baseURI.split("/").pop());
+    var isMainDocument = doc === window.wrap(document);
+    addedNode(doc, isMainDocument);
+    observe(doc);
+    flags.dom && console.groupEnd();
+  }
+  function upgradeDocumentTree(doc) {
+    forDocumentTree(doc, upgradeDocument);
+  }
+  var originalCreateShadowRoot = Element.prototype.createShadowRoot;
+  if (originalCreateShadowRoot) {
+    Element.prototype.createShadowRoot = function() {
+      var root = originalCreateShadowRoot.call(this);
+      window.CustomElements.watchShadow(this);
+      return root;
+    };
+  }
+  scope.watchShadow = watchShadow;
+  scope.upgradeDocumentTree = upgradeDocumentTree;
+  scope.upgradeDocument = upgradeDocument;
+  scope.upgradeSubtree = addedSubtree;
+  scope.upgradeAll = addedNode;
+  scope.attached = attached;
+  scope.takeRecords = takeRecords;
+});
+
+window.CustomElements.addModule(function(scope) {
+  var flags = scope.flags;
+  function upgrade(node, isAttached) {
+    if (node.localName === "template") {
+      if (window.HTMLTemplateElement && HTMLTemplateElement.decorate) {
+        HTMLTemplateElement.decorate(node);
+      }
+    }
+    if (!node.__upgraded__ && node.nodeType === Node.ELEMENT_NODE) {
+      var is = node.getAttribute("is");
+      var definition = scope.getRegisteredDefinition(node.localName) || scope.getRegisteredDefinition(is);
+      if (definition) {
+        if (is && definition.tag == node.localName || !is && !definition.extends) {
+          return upgradeWithDefinition(node, definition, isAttached);
+        }
+      }
+    }
+  }
+  function upgradeWithDefinition(element, definition, isAttached) {
+    flags.upgrade && console.group("upgrade:", element.localName);
+    if (definition.is) {
+      element.setAttribute("is", definition.is);
+    }
+    implementPrototype(element, definition);
+    element.__upgraded__ = true;
+    created(element);
+    if (isAttached) {
+      scope.attached(element);
+    }
+    scope.upgradeSubtree(element, isAttached);
+    flags.upgrade && console.groupEnd();
+    return element;
+  }
+  function implementPrototype(element, definition) {
+    if (Object.__proto__) {
+      element.__proto__ = definition.prototype;
+    } else {
+      customMixin(element, definition.prototype, definition.native);
+      element.__proto__ = definition.prototype;
+    }
+  }
+  function customMixin(inTarget, inSrc, inNative) {
+    var used = {};
+    var p = inSrc;
+    while (p !== inNative && p !== HTMLElement.prototype) {
+      var keys = Object.getOwnPropertyNames(p);
+      for (var i = 0, k; k = keys[i]; i++) {
+        if (!used[k]) {
+          Object.defineProperty(inTarget, k, Object.getOwnPropertyDescriptor(p, k));
+          used[k] = 1;
+        }
+      }
+      p = Object.getPrototypeOf(p);
+    }
+  }
+  function created(element) {
+    if (element.createdCallback) {
+      element.createdCallback();
+    }
+  }
+  scope.upgrade = upgrade;
+  scope.upgradeWithDefinition = upgradeWithDefinition;
+  scope.implementPrototype = implementPrototype;
+});
+
+window.CustomElements.addModule(function(scope) {
+  var isIE = scope.isIE;
+  var upgradeDocumentTree = scope.upgradeDocumentTree;
+  var upgradeAll = scope.upgradeAll;
+  var upgradeWithDefinition = scope.upgradeWithDefinition;
+  var implementPrototype = scope.implementPrototype;
+  var useNative = scope.useNative;
+  function register(name, options) {
+    var definition = options || {};
+    if (!name) {
+      throw new Error("document.registerElement: first argument `name` must not be empty");
+    }
+    if (name.indexOf("-") < 0) {
+      throw new Error("document.registerElement: first argument ('name') must contain a dash ('-'). Argument provided was '" + String(name) + "'.");
+    }
+    if (isReservedTag(name)) {
+      throw new Error("Failed to execute 'registerElement' on 'Document': Registration failed for type '" + String(name) + "'. The type name is invalid.");
+    }
+    if (getRegisteredDefinition(name)) {
+      throw new Error("DuplicateDefinitionError: a type with name '" + String(name) + "' is already registered");
+    }
+    if (!definition.prototype) {
+      definition.prototype = Object.create(HTMLElement.prototype);
+    }
+    definition.__name = name.toLowerCase();
+    if (definition.extends) {
+      definition.extends = definition.extends.toLowerCase();
+    }
+    definition.lifecycle = definition.lifecycle || {};
+    definition.ancestry = ancestry(definition.extends);
+    resolveTagName(definition);
+    resolvePrototypeChain(definition);
+    overrideAttributeApi(definition.prototype);
+    registerDefinition(definition.__name, definition);
+    definition.ctor = generateConstructor(definition);
+    definition.ctor.prototype = definition.prototype;
+    definition.prototype.constructor = definition.ctor;
+    if (scope.ready) {
+      upgradeDocumentTree(document);
+    }
+    return definition.ctor;
+  }
+  function overrideAttributeApi(prototype) {
+    if (prototype.setAttribute._polyfilled) {
+      return;
+    }
+    var setAttribute = prototype.setAttribute;
+    prototype.setAttribute = function(name, value) {
+      changeAttribute.call(this, name, value, setAttribute);
+    };
+    var removeAttribute = prototype.removeAttribute;
+    prototype.removeAttribute = function(name) {
+      changeAttribute.call(this, name, null, removeAttribute);
+    };
+    prototype.setAttribute._polyfilled = true;
+  }
+  function changeAttribute(name, value, operation) {
+    name = name.toLowerCase();
+    var oldValue = this.getAttribute(name);
+    operation.apply(this, arguments);
+    var newValue = this.getAttribute(name);
+    if (this.attributeChangedCallback && newValue !== oldValue) {
+      this.attributeChangedCallback(name, oldValue, newValue);
+    }
+  }
+  function isReservedTag(name) {
+    for (var i = 0; i < reservedTagList.length; i++) {
+      if (name === reservedTagList[i]) {
+        return true;
+      }
+    }
+  }
+  var reservedTagList = [ "annotation-xml", "color-profile", "font-face", "font-face-src", "font-face-uri", "font-face-format", "font-face-name", "missing-glyph" ];
+  function ancestry(extnds) {
+    var extendee = getRegisteredDefinition(extnds);
+    if (extendee) {
+      return ancestry(extendee.extends).concat([ extendee ]);
+    }
+    return [];
+  }
+  function resolveTagName(definition) {
+    var baseTag = definition.extends;
+    for (var i = 0, a; a = definition.ancestry[i]; i++) {
+      baseTag = a.is && a.tag;
+    }
+    definition.tag = baseTag || definition.__name;
+    if (baseTag) {
+      definition.is = definition.__name;
+    }
+  }
+  function resolvePrototypeChain(definition) {
+    if (!Object.__proto__) {
+      var nativePrototype = HTMLElement.prototype;
+      if (definition.is) {
+        var inst = document.createElement(definition.tag);
+        nativePrototype = Object.getPrototypeOf(inst);
+      }
+      var proto = definition.prototype, ancestor;
+      var foundPrototype = false;
+      while (proto) {
+        if (proto == nativePrototype) {
+          foundPrototype = true;
+        }
+        ancestor = Object.getPrototypeOf(proto);
+        if (ancestor) {
+          proto.__proto__ = ancestor;
+        }
+        proto = ancestor;
+      }
+      if (!foundPrototype) {
+        console.warn(definition.tag + " prototype not found in prototype chain for " + definition.is);
+      }
+      definition.native = nativePrototype;
+    }
+  }
+  function instantiate(definition) {
+    return upgradeWithDefinition(domCreateElement(definition.tag), definition);
+  }
+  var registry = {};
+  function getRegisteredDefinition(name) {
+    if (name) {
+      return registry[name.toLowerCase()];
+    }
+  }
+  function registerDefinition(name, definition) {
+    registry[name] = definition;
+  }
+  function generateConstructor(definition) {
+    return function() {
+      return instantiate(definition);
+    };
+  }
+  var HTML_NAMESPACE = "http://www.w3.org/1999/xhtml";
+  function createElementNS(namespace, tag, typeExtension) {
+    if (namespace === HTML_NAMESPACE) {
+      return createElement(tag, typeExtension);
+    } else {
+      return domCreateElementNS(namespace, tag);
+    }
+  }
+  function createElement(tag, typeExtension) {
+    if (tag) {
+      tag = tag.toLowerCase();
+    }
+    if (typeExtension) {
+      typeExtension = typeExtension.toLowerCase();
+    }
+    var definition = getRegisteredDefinition(typeExtension || tag);
+    if (definition) {
+      if (tag == definition.tag && typeExtension == definition.is) {
+        return new definition.ctor();
+      }
+      if (!typeExtension && !definition.is) {
+        return new definition.ctor();
+      }
+    }
+    var element;
+    if (typeExtension) {
+      element = createElement(tag);
+      element.setAttribute("is", typeExtension);
+      return element;
+    }
+    element = domCreateElement(tag);
+    if (tag.indexOf("-") >= 0) {
+      implementPrototype(element, HTMLElement);
+    }
+    return element;
+  }
+  var domCreateElement = document.createElement.bind(document);
+  var domCreateElementNS = document.createElementNS.bind(document);
+  var isInstance;
+  if (!Object.__proto__ && !useNative) {
+    isInstance = function(obj, ctor) {
+      if (obj instanceof ctor) {
+        return true;
+      }
+      var p = obj;
+      while (p) {
+        if (p === ctor.prototype) {
+          return true;
+        }
+        p = p.__proto__;
+      }
+      return false;
+    };
+  } else {
+    isInstance = function(obj, base) {
+      return obj instanceof base;
+    };
+  }
+  function wrapDomMethodToForceUpgrade(obj, methodName) {
+    var orig = obj[methodName];
+    obj[methodName] = function() {
+      var n = orig.apply(this, arguments);
+      upgradeAll(n);
+      return n;
+    };
+  }
+  wrapDomMethodToForceUpgrade(Node.prototype, "cloneNode");
+  wrapDomMethodToForceUpgrade(document, "importNode");
+  document.registerElement = register;
+  document.createElement = createElement;
+  document.createElementNS = createElementNS;
+  scope.registry = registry;
+  scope.instanceof = isInstance;
+  scope.reservedTagList = reservedTagList;
+  scope.getRegisteredDefinition = getRegisteredDefinition;
+  document.register = document.registerElement;
+});
+
+(function(scope) {
+  var useNative = scope.useNative;
+  var initializeModules = scope.initializeModules;
+  var isIE = scope.isIE;
+  if (useNative) {
+    var nop = function() {};
+    scope.watchShadow = nop;
+    scope.upgrade = nop;
+    scope.upgradeAll = nop;
+    scope.upgradeDocumentTree = nop;
+    scope.upgradeSubtree = nop;
+    scope.takeRecords = nop;
+    scope.instanceof = function(obj, base) {
+      return obj instanceof base;
+    };
+  } else {
+    initializeModules();
+  }
+  var upgradeDocumentTree = scope.upgradeDocumentTree;
+  var upgradeDocument = scope.upgradeDocument;
+  if (!window.wrap) {
+    if (window.ShadowDOMPolyfill) {
+      window.wrap = window.ShadowDOMPolyfill.wrapIfNeeded;
+      window.unwrap = window.ShadowDOMPolyfill.unwrapIfNeeded;
+    } else {
+      window.wrap = window.unwrap = function(node) {
+        return node;
+      };
+    }
+  }
+  if (window.HTMLImports) {
+    window.HTMLImports.__importsParsingHook = function(elt) {
+      if (elt.import) {
+        upgradeDocument(wrap(elt.import));
+      }
+    };
+  }
+  function bootstrap() {
+    upgradeDocumentTree(window.wrap(document));
+    window.CustomElements.ready = true;
+    var requestAnimationFrame = window.requestAnimationFrame || function(f) {
+      setTimeout(f, 16);
+    };
+    requestAnimationFrame(function() {
+      setTimeout(function() {
+        window.CustomElements.readyTime = Date.now();
+        if (window.HTMLImports) {
+          window.CustomElements.elapsed = window.CustomElements.readyTime - window.HTMLImports.readyTime;
+        }
+        document.dispatchEvent(new CustomEvent("WebComponentsReady", {
+          bubbles: true
+        }));
+      });
+    });
+  }
+  if (document.readyState === "complete" || scope.flags.eager) {
+    bootstrap();
+  } else if (document.readyState === "interactive" && !window.attachEvent && (!window.HTMLImports || window.HTMLImports.ready)) {
+    bootstrap();
+  } else {
+    var loadEvent = window.HTMLImports && !window.HTMLImports.ready ? "HTMLImportsLoaded" : "DOMContentLoaded";
+    window.addEventListener(loadEvent, bootstrap);
+  }
+})(window.CustomElements);
\ No newline at end of file
diff --git a/dashboard-ui/bower_components/webcomponentsjs/CustomElements.min.js b/dashboard-ui/bower_components/webcomponentsjs/CustomElements.min.js
new file mode 100644
index 0000000000..a2761f17d7
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/CustomElements.min.js
@@ -0,0 +1,11 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
+"undefined"==typeof WeakMap&&!function(){var e=Object.defineProperty,t=Date.now()%1e9,n=function(){this.name="__st"+(1e9*Math.random()>>>0)+(t++ +"__")};n.prototype={set:function(t,n){var o=t[this.name];return o&&o[0]===t?o[1]=n:e(t,this.name,{value:[t,n],writable:!0}),this},get:function(e){var t;return(t=e[this.name])&&t[0]===e?t[1]:void 0},"delete":function(e){var t=e[this.name];return t&&t[0]===e?(t[0]=t[1]=void 0,!0):!1},has:function(e){var t=e[this.name];return t?t[0]===e:!1}},window.WeakMap=n}(),function(e){function t(e){E.push(e),b||(b=!0,w(o))}function n(e){return window.ShadowDOMPolyfill&&window.ShadowDOMPolyfill.wrapIfNeeded(e)||e}function o(){b=!1;var e=E;E=[],e.sort(function(e,t){return e.uid_-t.uid_});var t=!1;e.forEach(function(e){var n=e.takeRecords();r(e),n.length&&(e.callback_(n,e),t=!0)}),t&&o()}function r(e){e.nodes_.forEach(function(t){var n=v.get(t);n&&n.forEach(function(t){t.observer===e&&t.removeTransientObservers()})})}function i(e,t){for(var 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diff --git a/dashboard-ui/bower_components/webcomponentsjs/HTMLImports.js b/dashboard-ui/bower_components/webcomponentsjs/HTMLImports.js
new file mode 100644
index 0000000000..cc8ac641d8
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/HTMLImports.js
@@ -0,0 +1,1157 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
+if (typeof WeakMap === "undefined") {
+  (function() {
+    var defineProperty = Object.defineProperty;
+    var counter = Date.now() % 1e9;
+    var WeakMap = function() {
+      this.name = "__st" + (Math.random() * 1e9 >>> 0) + (counter++ + "__");
+    };
+    WeakMap.prototype = {
+      set: function(key, value) {
+        var entry = key[this.name];
+        if (entry && entry[0] === key) entry[1] = value; else defineProperty(key, this.name, {
+          value: [ key, value ],
+          writable: true
+        });
+        return this;
+      },
+      get: function(key) {
+        var entry;
+        return (entry = key[this.name]) && entry[0] === key ? entry[1] : undefined;
+      },
+      "delete": function(key) {
+        var entry = key[this.name];
+        if (!entry || entry[0] !== key) return false;
+        entry[0] = entry[1] = undefined;
+        return true;
+      },
+      has: function(key) {
+        var entry = key[this.name];
+        if (!entry) return false;
+        return entry[0] === key;
+      }
+    };
+    window.WeakMap = WeakMap;
+  })();
+}
+
+(function(global) {
+  if (global.JsMutationObserver) {
+    return;
+  }
+  var registrationsTable = new WeakMap();
+  var setImmediate;
+  if (/Trident|Edge/.test(navigator.userAgent)) {
+    setImmediate = setTimeout;
+  } else if (window.setImmediate) {
+    setImmediate = window.setImmediate;
+  } else {
+    var setImmediateQueue = [];
+    var sentinel = String(Math.random());
+    window.addEventListener("message", function(e) {
+      if (e.data === sentinel) {
+        var queue = setImmediateQueue;
+        setImmediateQueue = [];
+        queue.forEach(function(func) {
+          func();
+        });
+      }
+    });
+    setImmediate = function(func) {
+      setImmediateQueue.push(func);
+      window.postMessage(sentinel, "*");
+    };
+  }
+  var isScheduled = false;
+  var scheduledObservers = [];
+  function scheduleCallback(observer) {
+    scheduledObservers.push(observer);
+    if (!isScheduled) {
+      isScheduled = true;
+      setImmediate(dispatchCallbacks);
+    }
+  }
+  function wrapIfNeeded(node) {
+    return window.ShadowDOMPolyfill && window.ShadowDOMPolyfill.wrapIfNeeded(node) || node;
+  }
+  function dispatchCallbacks() {
+    isScheduled = false;
+    var observers = scheduledObservers;
+    scheduledObservers = [];
+    observers.sort(function(o1, o2) {
+      return o1.uid_ - o2.uid_;
+    });
+    var anyNonEmpty = false;
+    observers.forEach(function(observer) {
+      var queue = observer.takeRecords();
+      removeTransientObserversFor(observer);
+      if (queue.length) {
+        observer.callback_(queue, observer);
+        anyNonEmpty = true;
+      }
+    });
+    if (anyNonEmpty) dispatchCallbacks();
+  }
+  function removeTransientObserversFor(observer) {
+    observer.nodes_.forEach(function(node) {
+      var registrations = registrationsTable.get(node);
+      if (!registrations) return;
+      registrations.forEach(function(registration) {
+        if (registration.observer === observer) registration.removeTransientObservers();
+      });
+    });
+  }
+  function forEachAncestorAndObserverEnqueueRecord(target, callback) {
+    for (var node = target; node; node = node.parentNode) {
+      var registrations = registrationsTable.get(node);
+      if (registrations) {
+        for (var j = 0; j < registrations.length; j++) {
+          var registration = registrations[j];
+          var options = registration.options;
+          if (node !== target && !options.subtree) continue;
+          var record = callback(options);
+          if (record) registration.enqueue(record);
+        }
+      }
+    }
+  }
+  var uidCounter = 0;
+  function JsMutationObserver(callback) {
+    this.callback_ = callback;
+    this.nodes_ = [];
+    this.records_ = [];
+    this.uid_ = ++uidCounter;
+  }
+  JsMutationObserver.prototype = {
+    observe: function(target, options) {
+      target = wrapIfNeeded(target);
+      if (!options.childList && !options.attributes && !options.characterData || options.attributeOldValue && !options.attributes || options.attributeFilter && options.attributeFilter.length && !options.attributes || options.characterDataOldValue && !options.characterData) {
+        throw new SyntaxError();
+      }
+      var registrations = registrationsTable.get(target);
+      if (!registrations) registrationsTable.set(target, registrations = []);
+      var registration;
+      for (var i = 0; i < registrations.length; i++) {
+        if (registrations[i].observer === this) {
+          registration = registrations[i];
+          registration.removeListeners();
+          registration.options = options;
+          break;
+        }
+      }
+      if (!registration) {
+        registration = new Registration(this, target, options);
+        registrations.push(registration);
+        this.nodes_.push(target);
+      }
+      registration.addListeners();
+    },
+    disconnect: function() {
+      this.nodes_.forEach(function(node) {
+        var registrations = registrationsTable.get(node);
+        for (var i = 0; i < registrations.length; i++) {
+          var registration = registrations[i];
+          if (registration.observer === this) {
+            registration.removeListeners();
+            registrations.splice(i, 1);
+            break;
+          }
+        }
+      }, this);
+      this.records_ = [];
+    },
+    takeRecords: function() {
+      var copyOfRecords = this.records_;
+      this.records_ = [];
+      return copyOfRecords;
+    }
+  };
+  function MutationRecord(type, target) {
+    this.type = type;
+    this.target = target;
+    this.addedNodes = [];
+    this.removedNodes = [];
+    this.previousSibling = null;
+    this.nextSibling = null;
+    this.attributeName = null;
+    this.attributeNamespace = null;
+    this.oldValue = null;
+  }
+  function copyMutationRecord(original) {
+    var record = new MutationRecord(original.type, original.target);
+    record.addedNodes = original.addedNodes.slice();
+    record.removedNodes = original.removedNodes.slice();
+    record.previousSibling = original.previousSibling;
+    record.nextSibling = original.nextSibling;
+    record.attributeName = original.attributeName;
+    record.attributeNamespace = original.attributeNamespace;
+    record.oldValue = original.oldValue;
+    return record;
+  }
+  var currentRecord, recordWithOldValue;
+  function getRecord(type, target) {
+    return currentRecord = new MutationRecord(type, target);
+  }
+  function getRecordWithOldValue(oldValue) {
+    if (recordWithOldValue) return recordWithOldValue;
+    recordWithOldValue = copyMutationRecord(currentRecord);
+    recordWithOldValue.oldValue = oldValue;
+    return recordWithOldValue;
+  }
+  function clearRecords() {
+    currentRecord = recordWithOldValue = undefined;
+  }
+  function recordRepresentsCurrentMutation(record) {
+    return record === recordWithOldValue || record === currentRecord;
+  }
+  function selectRecord(lastRecord, newRecord) {
+    if (lastRecord === newRecord) return lastRecord;
+    if (recordWithOldValue && recordRepresentsCurrentMutation(lastRecord)) return recordWithOldValue;
+    return null;
+  }
+  function Registration(observer, target, options) {
+    this.observer = observer;
+    this.target = target;
+    this.options = options;
+    this.transientObservedNodes = [];
+  }
+  Registration.prototype = {
+    enqueue: function(record) {
+      var records = this.observer.records_;
+      var length = records.length;
+      if (records.length > 0) {
+        var lastRecord = records[length - 1];
+        var recordToReplaceLast = selectRecord(lastRecord, record);
+        if (recordToReplaceLast) {
+          records[length - 1] = recordToReplaceLast;
+          return;
+        }
+      } else {
+        scheduleCallback(this.observer);
+      }
+      records[length] = record;
+    },
+    addListeners: function() {
+      this.addListeners_(this.target);
+    },
+    addListeners_: function(node) {
+      var options = this.options;
+      if (options.attributes) node.addEventListener("DOMAttrModified", this, true);
+      if (options.characterData) node.addEventListener("DOMCharacterDataModified", this, true);
+      if (options.childList) node.addEventListener("DOMNodeInserted", this, true);
+      if (options.childList || options.subtree) node.addEventListener("DOMNodeRemoved", this, true);
+    },
+    removeListeners: function() {
+      this.removeListeners_(this.target);
+    },
+    removeListeners_: function(node) {
+      var options = this.options;
+      if (options.attributes) node.removeEventListener("DOMAttrModified", this, true);
+      if (options.characterData) node.removeEventListener("DOMCharacterDataModified", this, true);
+      if (options.childList) node.removeEventListener("DOMNodeInserted", this, true);
+      if (options.childList || options.subtree) node.removeEventListener("DOMNodeRemoved", this, true);
+    },
+    addTransientObserver: function(node) {
+      if (node === this.target) return;
+      this.addListeners_(node);
+      this.transientObservedNodes.push(node);
+      var registrations = registrationsTable.get(node);
+      if (!registrations) registrationsTable.set(node, registrations = []);
+      registrations.push(this);
+    },
+    removeTransientObservers: function() {
+      var transientObservedNodes = this.transientObservedNodes;
+      this.transientObservedNodes = [];
+      transientObservedNodes.forEach(function(node) {
+        this.removeListeners_(node);
+        var registrations = registrationsTable.get(node);
+        for (var i = 0; i < registrations.length; i++) {
+          if (registrations[i] === this) {
+            registrations.splice(i, 1);
+            break;
+          }
+        }
+      }, this);
+    },
+    handleEvent: function(e) {
+      e.stopImmediatePropagation();
+      switch (e.type) {
+       case "DOMAttrModified":
+        var name = e.attrName;
+        var namespace = e.relatedNode.namespaceURI;
+        var target = e.target;
+        var record = new getRecord("attributes", target);
+        record.attributeName = name;
+        record.attributeNamespace = namespace;
+        var oldValue = e.attrChange === MutationEvent.ADDITION ? null : e.prevValue;
+        forEachAncestorAndObserverEnqueueRecord(target, function(options) {
+          if (!options.attributes) return;
+          if (options.attributeFilter && options.attributeFilter.length && options.attributeFilter.indexOf(name) === -1 && options.attributeFilter.indexOf(namespace) === -1) {
+            return;
+          }
+          if (options.attributeOldValue) return getRecordWithOldValue(oldValue);
+          return record;
+        });
+        break;
+
+       case "DOMCharacterDataModified":
+        var target = e.target;
+        var record = getRecord("characterData", target);
+        var oldValue = e.prevValue;
+        forEachAncestorAndObserverEnqueueRecord(target, function(options) {
+          if (!options.characterData) return;
+          if (options.characterDataOldValue) return getRecordWithOldValue(oldValue);
+          return record;
+        });
+        break;
+
+       case "DOMNodeRemoved":
+        this.addTransientObserver(e.target);
+
+       case "DOMNodeInserted":
+        var changedNode = e.target;
+        var addedNodes, removedNodes;
+        if (e.type === "DOMNodeInserted") {
+          addedNodes = [ changedNode ];
+          removedNodes = [];
+        } else {
+          addedNodes = [];
+          removedNodes = [ changedNode ];
+        }
+        var previousSibling = changedNode.previousSibling;
+        var nextSibling = changedNode.nextSibling;
+        var record = getRecord("childList", e.target.parentNode);
+        record.addedNodes = addedNodes;
+        record.removedNodes = removedNodes;
+        record.previousSibling = previousSibling;
+        record.nextSibling = nextSibling;
+        forEachAncestorAndObserverEnqueueRecord(e.relatedNode, function(options) {
+          if (!options.childList) return;
+          return record;
+        });
+      }
+      clearRecords();
+    }
+  };
+  global.JsMutationObserver = JsMutationObserver;
+  if (!global.MutationObserver) {
+    global.MutationObserver = JsMutationObserver;
+    JsMutationObserver._isPolyfilled = true;
+  }
+})(self);
+
+(function(scope) {
+  "use strict";
+  if (!window.performance) {
+    var start = Date.now();
+    window.performance = {
+      now: function() {
+        return Date.now() - start;
+      }
+    };
+  }
+  if (!window.requestAnimationFrame) {
+    window.requestAnimationFrame = function() {
+      var nativeRaf = window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
+      return nativeRaf ? function(callback) {
+        return nativeRaf(function() {
+          callback(performance.now());
+        });
+      } : function(callback) {
+        return window.setTimeout(callback, 1e3 / 60);
+      };
+    }();
+  }
+  if (!window.cancelAnimationFrame) {
+    window.cancelAnimationFrame = function() {
+      return window.webkitCancelAnimationFrame || window.mozCancelAnimationFrame || function(id) {
+        clearTimeout(id);
+      };
+    }();
+  }
+  var workingDefaultPrevented = function() {
+    var e = document.createEvent("Event");
+    e.initEvent("foo", true, true);
+    e.preventDefault();
+    return e.defaultPrevented;
+  }();
+  if (!workingDefaultPrevented) {
+    var origPreventDefault = Event.prototype.preventDefault;
+    Event.prototype.preventDefault = function() {
+      if (!this.cancelable) {
+        return;
+      }
+      origPreventDefault.call(this);
+      Object.defineProperty(this, "defaultPrevented", {
+        get: function() {
+          return true;
+        },
+        configurable: true
+      });
+    };
+  }
+  var isIE = /Trident/.test(navigator.userAgent);
+  if (!window.CustomEvent || isIE && typeof window.CustomEvent !== "function") {
+    window.CustomEvent = function(inType, params) {
+      params = params || {};
+      var e = document.createEvent("CustomEvent");
+      e.initCustomEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable), params.detail);
+      return e;
+    };
+    window.CustomEvent.prototype = window.Event.prototype;
+  }
+  if (!window.Event || isIE && typeof window.Event !== "function") {
+    var origEvent = window.Event;
+    window.Event = function(inType, params) {
+      params = params || {};
+      var e = document.createEvent("Event");
+      e.initEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable));
+      return e;
+    };
+    window.Event.prototype = origEvent.prototype;
+  }
+})(window.WebComponents);
+
+window.HTMLImports = window.HTMLImports || {
+  flags: {}
+};
+
+(function(scope) {
+  var IMPORT_LINK_TYPE = "import";
+  var useNative = Boolean(IMPORT_LINK_TYPE in document.createElement("link"));
+  var hasShadowDOMPolyfill = Boolean(window.ShadowDOMPolyfill);
+  var wrap = function(node) {
+    return hasShadowDOMPolyfill ? window.ShadowDOMPolyfill.wrapIfNeeded(node) : node;
+  };
+  var rootDocument = wrap(document);
+  var currentScriptDescriptor = {
+    get: function() {
+      var script = window.HTMLImports.currentScript || document.currentScript || (document.readyState !== "complete" ? document.scripts[document.scripts.length - 1] : null);
+      return wrap(script);
+    },
+    configurable: true
+  };
+  Object.defineProperty(document, "_currentScript", currentScriptDescriptor);
+  Object.defineProperty(rootDocument, "_currentScript", currentScriptDescriptor);
+  var isIE = /Trident/.test(navigator.userAgent);
+  function whenReady(callback, doc) {
+    doc = doc || rootDocument;
+    whenDocumentReady(function() {
+      watchImportsLoad(callback, doc);
+    }, doc);
+  }
+  var requiredReadyState = isIE ? "complete" : "interactive";
+  var READY_EVENT = "readystatechange";
+  function isDocumentReady(doc) {
+    return doc.readyState === "complete" || doc.readyState === requiredReadyState;
+  }
+  function whenDocumentReady(callback, doc) {
+    if (!isDocumentReady(doc)) {
+      var checkReady = function() {
+        if (doc.readyState === "complete" || doc.readyState === requiredReadyState) {
+          doc.removeEventListener(READY_EVENT, checkReady);
+          whenDocumentReady(callback, doc);
+        }
+      };
+      doc.addEventListener(READY_EVENT, checkReady);
+    } else if (callback) {
+      callback();
+    }
+  }
+  function markTargetLoaded(event) {
+    event.target.__loaded = true;
+  }
+  function watchImportsLoad(callback, doc) {
+    var imports = doc.querySelectorAll("link[rel=import]");
+    var parsedCount = 0, importCount = imports.length, newImports = [], errorImports = [];
+    function checkDone() {
+      if (parsedCount == importCount && callback) {
+        callback({
+          allImports: imports,
+          loadedImports: newImports,
+          errorImports: errorImports
+        });
+      }
+    }
+    function loadedImport(e) {
+      markTargetLoaded(e);
+      newImports.push(this);
+      parsedCount++;
+      checkDone();
+    }
+    function errorLoadingImport(e) {
+      errorImports.push(this);
+      parsedCount++;
+      checkDone();
+    }
+    if (importCount) {
+      for (var i = 0, imp; i < importCount && (imp = imports[i]); i++) {
+        if (isImportLoaded(imp)) {
+          newImports.push(this);
+          parsedCount++;
+          checkDone();
+        } else {
+          imp.addEventListener("load", loadedImport);
+          imp.addEventListener("error", errorLoadingImport);
+        }
+      }
+    } else {
+      checkDone();
+    }
+  }
+  function isImportLoaded(link) {
+    return useNative ? link.__loaded || link.import && link.import.readyState !== "loading" : link.__importParsed;
+  }
+  if (useNative) {
+    new MutationObserver(function(mxns) {
+      for (var i = 0, l = mxns.length, m; i < l && (m = mxns[i]); i++) {
+        if (m.addedNodes) {
+          handleImports(m.addedNodes);
+        }
+      }
+    }).observe(document.head, {
+      childList: true
+    });
+    function handleImports(nodes) {
+      for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+        if (isImport(n)) {
+          handleImport(n);
+        }
+      }
+    }
+    function isImport(element) {
+      return element.localName === "link" && element.rel === "import";
+    }
+    function handleImport(element) {
+      var loaded = element.import;
+      if (loaded) {
+        markTargetLoaded({
+          target: element
+        });
+      } else {
+        element.addEventListener("load", markTargetLoaded);
+        element.addEventListener("error", markTargetLoaded);
+      }
+    }
+    (function() {
+      if (document.readyState === "loading") {
+        var imports = document.querySelectorAll("link[rel=import]");
+        for (var i = 0, l = imports.length, imp; i < l && (imp = imports[i]); i++) {
+          handleImport(imp);
+        }
+      }
+    })();
+  }
+  whenReady(function(detail) {
+    window.HTMLImports.ready = true;
+    window.HTMLImports.readyTime = new Date().getTime();
+    var evt = rootDocument.createEvent("CustomEvent");
+    evt.initCustomEvent("HTMLImportsLoaded", true, true, detail);
+    rootDocument.dispatchEvent(evt);
+  });
+  scope.IMPORT_LINK_TYPE = IMPORT_LINK_TYPE;
+  scope.useNative = useNative;
+  scope.rootDocument = rootDocument;
+  scope.whenReady = whenReady;
+  scope.isIE = isIE;
+})(window.HTMLImports);
+
+(function(scope) {
+  var modules = [];
+  var addModule = function(module) {
+    modules.push(module);
+  };
+  var initializeModules = function() {
+    modules.forEach(function(module) {
+      module(scope);
+    });
+  };
+  scope.addModule = addModule;
+  scope.initializeModules = initializeModules;
+})(window.HTMLImports);
+
+window.HTMLImports.addModule(function(scope) {
+  var CSS_URL_REGEXP = /(url\()([^)]*)(\))/g;
+  var CSS_IMPORT_REGEXP = /(@import[\s]+(?!url\())([^;]*)(;)/g;
+  var path = {
+    resolveUrlsInStyle: function(style, linkUrl) {
+      var doc = style.ownerDocument;
+      var resolver = doc.createElement("a");
+      style.textContent = this.resolveUrlsInCssText(style.textContent, linkUrl, resolver);
+      return style;
+    },
+    resolveUrlsInCssText: function(cssText, linkUrl, urlObj) {
+      var r = this.replaceUrls(cssText, urlObj, linkUrl, CSS_URL_REGEXP);
+      r = this.replaceUrls(r, urlObj, linkUrl, CSS_IMPORT_REGEXP);
+      return r;
+    },
+    replaceUrls: function(text, urlObj, linkUrl, regexp) {
+      return text.replace(regexp, function(m, pre, url, post) {
+        var urlPath = url.replace(/["']/g, "");
+        if (linkUrl) {
+          urlPath = new URL(urlPath, linkUrl).href;
+        }
+        urlObj.href = urlPath;
+        urlPath = urlObj.href;
+        return pre + "'" + urlPath + "'" + post;
+      });
+    }
+  };
+  scope.path = path;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var xhr = {
+    async: true,
+    ok: function(request) {
+      return request.status >= 200 && request.status < 300 || request.status === 304 || request.status === 0;
+    },
+    load: function(url, next, nextContext) {
+      var request = new XMLHttpRequest();
+      if (scope.flags.debug || scope.flags.bust) {
+        url += "?" + Math.random();
+      }
+      request.open("GET", url, xhr.async);
+      request.addEventListener("readystatechange", function(e) {
+        if (request.readyState === 4) {
+          var redirectedUrl = null;
+          try {
+            var locationHeader = request.getResponseHeader("Location");
+            if (locationHeader) {
+              redirectedUrl = locationHeader.substr(0, 1) === "/" ? location.origin + locationHeader : locationHeader;
+            }
+          } catch (e) {
+            console.error(e.message);
+          }
+          next.call(nextContext, !xhr.ok(request) && request, request.response || request.responseText, redirectedUrl);
+        }
+      });
+      request.send();
+      return request;
+    },
+    loadDocument: function(url, next, nextContext) {
+      this.load(url, next, nextContext).responseType = "document";
+    }
+  };
+  scope.xhr = xhr;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var xhr = scope.xhr;
+  var flags = scope.flags;
+  var Loader = function(onLoad, onComplete) {
+    this.cache = {};
+    this.onload = onLoad;
+    this.oncomplete = onComplete;
+    this.inflight = 0;
+    this.pending = {};
+  };
+  Loader.prototype = {
+    addNodes: function(nodes) {
+      this.inflight += nodes.length;
+      for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+        this.require(n);
+      }
+      this.checkDone();
+    },
+    addNode: function(node) {
+      this.inflight++;
+      this.require(node);
+      this.checkDone();
+    },
+    require: function(elt) {
+      var url = elt.src || elt.href;
+      elt.__nodeUrl = url;
+      if (!this.dedupe(url, elt)) {
+        this.fetch(url, elt);
+      }
+    },
+    dedupe: function(url, elt) {
+      if (this.pending[url]) {
+        this.pending[url].push(elt);
+        return true;
+      }
+      var resource;
+      if (this.cache[url]) {
+        this.onload(url, elt, this.cache[url]);
+        this.tail();
+        return true;
+      }
+      this.pending[url] = [ elt ];
+      return false;
+    },
+    fetch: function(url, elt) {
+      flags.load && console.log("fetch", url, elt);
+      if (!url) {
+        setTimeout(function() {
+          this.receive(url, elt, {
+            error: "href must be specified"
+          }, null);
+        }.bind(this), 0);
+      } else if (url.match(/^data:/)) {
+        var pieces = url.split(",");
+        var header = pieces[0];
+        var body = pieces[1];
+        if (header.indexOf(";base64") > -1) {
+          body = atob(body);
+        } else {
+          body = decodeURIComponent(body);
+        }
+        setTimeout(function() {
+          this.receive(url, elt, null, body);
+        }.bind(this), 0);
+      } else {
+        var receiveXhr = function(err, resource, redirectedUrl) {
+          this.receive(url, elt, err, resource, redirectedUrl);
+        }.bind(this);
+        xhr.load(url, receiveXhr);
+      }
+    },
+    receive: function(url, elt, err, resource, redirectedUrl) {
+      this.cache[url] = resource;
+      var $p = this.pending[url];
+      for (var i = 0, l = $p.length, p; i < l && (p = $p[i]); i++) {
+        this.onload(url, p, resource, err, redirectedUrl);
+        this.tail();
+      }
+      this.pending[url] = null;
+    },
+    tail: function() {
+      --this.inflight;
+      this.checkDone();
+    },
+    checkDone: function() {
+      if (!this.inflight) {
+        this.oncomplete();
+      }
+    }
+  };
+  scope.Loader = Loader;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var Observer = function(addCallback) {
+    this.addCallback = addCallback;
+    this.mo = new MutationObserver(this.handler.bind(this));
+  };
+  Observer.prototype = {
+    handler: function(mutations) {
+      for (var i = 0, l = mutations.length, m; i < l && (m = mutations[i]); i++) {
+        if (m.type === "childList" && m.addedNodes.length) {
+          this.addedNodes(m.addedNodes);
+        }
+      }
+    },
+    addedNodes: function(nodes) {
+      if (this.addCallback) {
+        this.addCallback(nodes);
+      }
+      for (var i = 0, l = nodes.length, n, loading; i < l && (n = nodes[i]); i++) {
+        if (n.children && n.children.length) {
+          this.addedNodes(n.children);
+        }
+      }
+    },
+    observe: function(root) {
+      this.mo.observe(root, {
+        childList: true,
+        subtree: true
+      });
+    }
+  };
+  scope.Observer = Observer;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var path = scope.path;
+  var rootDocument = scope.rootDocument;
+  var flags = scope.flags;
+  var isIE = scope.isIE;
+  var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
+  var IMPORT_SELECTOR = "link[rel=" + IMPORT_LINK_TYPE + "]";
+  var importParser = {
+    documentSelectors: IMPORT_SELECTOR,
+    importsSelectors: [ IMPORT_SELECTOR, "link[rel=stylesheet]:not([type])", "style:not([type])", "script:not([type])", 'script[type="application/javascript"]', 'script[type="text/javascript"]' ].join(","),
+    map: {
+      link: "parseLink",
+      script: "parseScript",
+      style: "parseStyle"
+    },
+    dynamicElements: [],
+    parseNext: function() {
+      var next = this.nextToParse();
+      if (next) {
+        this.parse(next);
+      }
+    },
+    parse: function(elt) {
+      if (this.isParsed(elt)) {
+        flags.parse && console.log("[%s] is already parsed", elt.localName);
+        return;
+      }
+      var fn = this[this.map[elt.localName]];
+      if (fn) {
+        this.markParsing(elt);
+        fn.call(this, elt);
+      }
+    },
+    parseDynamic: function(elt, quiet) {
+      this.dynamicElements.push(elt);
+      if (!quiet) {
+        this.parseNext();
+      }
+    },
+    markParsing: function(elt) {
+      flags.parse && console.log("parsing", elt);
+      this.parsingElement = elt;
+    },
+    markParsingComplete: function(elt) {
+      elt.__importParsed = true;
+      this.markDynamicParsingComplete(elt);
+      if (elt.__importElement) {
+        elt.__importElement.__importParsed = true;
+        this.markDynamicParsingComplete(elt.__importElement);
+      }
+      this.parsingElement = null;
+      flags.parse && console.log("completed", elt);
+    },
+    markDynamicParsingComplete: function(elt) {
+      var i = this.dynamicElements.indexOf(elt);
+      if (i >= 0) {
+        this.dynamicElements.splice(i, 1);
+      }
+    },
+    parseImport: function(elt) {
+      elt.import = elt.__doc;
+      if (window.HTMLImports.__importsParsingHook) {
+        window.HTMLImports.__importsParsingHook(elt);
+      }
+      if (elt.import) {
+        elt.import.__importParsed = true;
+      }
+      this.markParsingComplete(elt);
+      if (elt.__resource && !elt.__error) {
+        elt.dispatchEvent(new CustomEvent("load", {
+          bubbles: false
+        }));
+      } else {
+        elt.dispatchEvent(new CustomEvent("error", {
+          bubbles: false
+        }));
+      }
+      if (elt.__pending) {
+        var fn;
+        while (elt.__pending.length) {
+          fn = elt.__pending.shift();
+          if (fn) {
+            fn({
+              target: elt
+            });
+          }
+        }
+      }
+      this.parseNext();
+    },
+    parseLink: function(linkElt) {
+      if (nodeIsImport(linkElt)) {
+        this.parseImport(linkElt);
+      } else {
+        linkElt.href = linkElt.href;
+        this.parseGeneric(linkElt);
+      }
+    },
+    parseStyle: function(elt) {
+      var src = elt;
+      elt = cloneStyle(elt);
+      src.__appliedElement = elt;
+      elt.__importElement = src;
+      this.parseGeneric(elt);
+    },
+    parseGeneric: function(elt) {
+      this.trackElement(elt);
+      this.addElementToDocument(elt);
+    },
+    rootImportForElement: function(elt) {
+      var n = elt;
+      while (n.ownerDocument.__importLink) {
+        n = n.ownerDocument.__importLink;
+      }
+      return n;
+    },
+    addElementToDocument: function(elt) {
+      var port = this.rootImportForElement(elt.__importElement || elt);
+      port.parentNode.insertBefore(elt, port);
+    },
+    trackElement: function(elt, callback) {
+      var self = this;
+      var done = function(e) {
+        elt.removeEventListener("load", done);
+        elt.removeEventListener("error", done);
+        if (callback) {
+          callback(e);
+        }
+        self.markParsingComplete(elt);
+        self.parseNext();
+      };
+      elt.addEventListener("load", done);
+      elt.addEventListener("error", done);
+      if (isIE && elt.localName === "style") {
+        var fakeLoad = false;
+        if (elt.textContent.indexOf("@import") == -1) {
+          fakeLoad = true;
+        } else if (elt.sheet) {
+          fakeLoad = true;
+          var csr = elt.sheet.cssRules;
+          var len = csr ? csr.length : 0;
+          for (var i = 0, r; i < len && (r = csr[i]); i++) {
+            if (r.type === CSSRule.IMPORT_RULE) {
+              fakeLoad = fakeLoad && Boolean(r.styleSheet);
+            }
+          }
+        }
+        if (fakeLoad) {
+          setTimeout(function() {
+            elt.dispatchEvent(new CustomEvent("load", {
+              bubbles: false
+            }));
+          });
+        }
+      }
+    },
+    parseScript: function(scriptElt) {
+      var script = document.createElement("script");
+      script.__importElement = scriptElt;
+      script.src = scriptElt.src ? scriptElt.src : generateScriptDataUrl(scriptElt);
+      scope.currentScript = scriptElt;
+      this.trackElement(script, function(e) {
+        if (script.parentNode) {
+          script.parentNode.removeChild(script);
+        }
+        scope.currentScript = null;
+      });
+      this.addElementToDocument(script);
+    },
+    nextToParse: function() {
+      this._mayParse = [];
+      return !this.parsingElement && (this.nextToParseInDoc(rootDocument) || this.nextToParseDynamic());
+    },
+    nextToParseInDoc: function(doc, link) {
+      if (doc && this._mayParse.indexOf(doc) < 0) {
+        this._mayParse.push(doc);
+        var nodes = doc.querySelectorAll(this.parseSelectorsForNode(doc));
+        for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+          if (!this.isParsed(n)) {
+            if (this.hasResource(n)) {
+              return nodeIsImport(n) ? this.nextToParseInDoc(n.__doc, n) : n;
+            } else {
+              return;
+            }
+          }
+        }
+      }
+      return link;
+    },
+    nextToParseDynamic: function() {
+      return this.dynamicElements[0];
+    },
+    parseSelectorsForNode: function(node) {
+      var doc = node.ownerDocument || node;
+      return doc === rootDocument ? this.documentSelectors : this.importsSelectors;
+    },
+    isParsed: function(node) {
+      return node.__importParsed;
+    },
+    needsDynamicParsing: function(elt) {
+      return this.dynamicElements.indexOf(elt) >= 0;
+    },
+    hasResource: function(node) {
+      if (nodeIsImport(node) && node.__doc === undefined) {
+        return false;
+      }
+      return true;
+    }
+  };
+  function nodeIsImport(elt) {
+    return elt.localName === "link" && elt.rel === IMPORT_LINK_TYPE;
+  }
+  function generateScriptDataUrl(script) {
+    var scriptContent = generateScriptContent(script);
+    return "data:text/javascript;charset=utf-8," + encodeURIComponent(scriptContent);
+  }
+  function generateScriptContent(script) {
+    return script.textContent + generateSourceMapHint(script);
+  }
+  function generateSourceMapHint(script) {
+    var owner = script.ownerDocument;
+    owner.__importedScripts = owner.__importedScripts || 0;
+    var moniker = script.ownerDocument.baseURI;
+    var num = owner.__importedScripts ? "-" + owner.__importedScripts : "";
+    owner.__importedScripts++;
+    return "\n//# sourceURL=" + moniker + num + ".js\n";
+  }
+  function cloneStyle(style) {
+    var clone = style.ownerDocument.createElement("style");
+    clone.textContent = style.textContent;
+    path.resolveUrlsInStyle(clone);
+    return clone;
+  }
+  scope.parser = importParser;
+  scope.IMPORT_SELECTOR = IMPORT_SELECTOR;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var flags = scope.flags;
+  var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
+  var IMPORT_SELECTOR = scope.IMPORT_SELECTOR;
+  var rootDocument = scope.rootDocument;
+  var Loader = scope.Loader;
+  var Observer = scope.Observer;
+  var parser = scope.parser;
+  var importer = {
+    documents: {},
+    documentPreloadSelectors: IMPORT_SELECTOR,
+    importsPreloadSelectors: [ IMPORT_SELECTOR ].join(","),
+    loadNode: function(node) {
+      importLoader.addNode(node);
+    },
+    loadSubtree: function(parent) {
+      var nodes = this.marshalNodes(parent);
+      importLoader.addNodes(nodes);
+    },
+    marshalNodes: function(parent) {
+      return parent.querySelectorAll(this.loadSelectorsForNode(parent));
+    },
+    loadSelectorsForNode: function(node) {
+      var doc = node.ownerDocument || node;
+      return doc === rootDocument ? this.documentPreloadSelectors : this.importsPreloadSelectors;
+    },
+    loaded: function(url, elt, resource, err, redirectedUrl) {
+      flags.load && console.log("loaded", url, elt);
+      elt.__resource = resource;
+      elt.__error = err;
+      if (isImportLink(elt)) {
+        var doc = this.documents[url];
+        if (doc === undefined) {
+          doc = err ? null : makeDocument(resource, redirectedUrl || url);
+          if (doc) {
+            doc.__importLink = elt;
+            this.bootDocument(doc);
+          }
+          this.documents[url] = doc;
+        }
+        elt.__doc = doc;
+      }
+      parser.parseNext();
+    },
+    bootDocument: function(doc) {
+      this.loadSubtree(doc);
+      this.observer.observe(doc);
+      parser.parseNext();
+    },
+    loadedAll: function() {
+      parser.parseNext();
+    }
+  };
+  var importLoader = new Loader(importer.loaded.bind(importer), importer.loadedAll.bind(importer));
+  importer.observer = new Observer();
+  function isImportLink(elt) {
+    return isLinkRel(elt, IMPORT_LINK_TYPE);
+  }
+  function isLinkRel(elt, rel) {
+    return elt.localName === "link" && elt.getAttribute("rel") === rel;
+  }
+  function hasBaseURIAccessor(doc) {
+    return !!Object.getOwnPropertyDescriptor(doc, "baseURI");
+  }
+  function makeDocument(resource, url) {
+    var doc = document.implementation.createHTMLDocument(IMPORT_LINK_TYPE);
+    doc._URL = url;
+    var base = doc.createElement("base");
+    base.setAttribute("href", url);
+    if (!doc.baseURI && !hasBaseURIAccessor(doc)) {
+      Object.defineProperty(doc, "baseURI", {
+        value: url
+      });
+    }
+    var meta = doc.createElement("meta");
+    meta.setAttribute("charset", "utf-8");
+    doc.head.appendChild(meta);
+    doc.head.appendChild(base);
+    doc.body.innerHTML = resource;
+    if (window.HTMLTemplateElement && HTMLTemplateElement.bootstrap) {
+      HTMLTemplateElement.bootstrap(doc);
+    }
+    return doc;
+  }
+  if (!document.baseURI) {
+    var baseURIDescriptor = {
+      get: function() {
+        var base = document.querySelector("base");
+        return base ? base.href : window.location.href;
+      },
+      configurable: true
+    };
+    Object.defineProperty(document, "baseURI", baseURIDescriptor);
+    Object.defineProperty(rootDocument, "baseURI", baseURIDescriptor);
+  }
+  scope.importer = importer;
+  scope.importLoader = importLoader;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var parser = scope.parser;
+  var importer = scope.importer;
+  var dynamic = {
+    added: function(nodes) {
+      var owner, parsed, loading;
+      for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+        if (!owner) {
+          owner = n.ownerDocument;
+          parsed = parser.isParsed(owner);
+        }
+        loading = this.shouldLoadNode(n);
+        if (loading) {
+          importer.loadNode(n);
+        }
+        if (this.shouldParseNode(n) && parsed) {
+          parser.parseDynamic(n, loading);
+        }
+      }
+    },
+    shouldLoadNode: function(node) {
+      return node.nodeType === 1 && matches.call(node, importer.loadSelectorsForNode(node));
+    },
+    shouldParseNode: function(node) {
+      return node.nodeType === 1 && matches.call(node, parser.parseSelectorsForNode(node));
+    }
+  };
+  importer.observer.addCallback = dynamic.added.bind(dynamic);
+  var matches = HTMLElement.prototype.matches || HTMLElement.prototype.matchesSelector || HTMLElement.prototype.webkitMatchesSelector || HTMLElement.prototype.mozMatchesSelector || HTMLElement.prototype.msMatchesSelector;
+});
+
+(function(scope) {
+  var initializeModules = scope.initializeModules;
+  var isIE = scope.isIE;
+  if (scope.useNative) {
+    return;
+  }
+  initializeModules();
+  var rootDocument = scope.rootDocument;
+  function bootstrap() {
+    window.HTMLImports.importer.bootDocument(rootDocument);
+  }
+  if (document.readyState === "complete" || document.readyState === "interactive" && !window.attachEvent) {
+    bootstrap();
+  } else {
+    document.addEventListener("DOMContentLoaded", bootstrap);
+  }
+})(window.HTMLImports);
\ No newline at end of file
diff --git a/dashboard-ui/bower_components/webcomponentsjs/HTMLImports.min.js b/dashboard-ui/bower_components/webcomponentsjs/HTMLImports.min.js
new file mode 100644
index 0000000000..dd5b11758a
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/HTMLImports.min.js
@@ -0,0 +1,11 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
+"undefined"==typeof WeakMap&&!function(){var e=Object.defineProperty,t=Date.now()%1e9,n=function(){this.name="__st"+(1e9*Math.random()>>>0)+(t++ +"__")};n.prototype={set:function(t,n){var r=t[this.name];return r&&r[0]===t?r[1]=n:e(t,this.name,{value:[t,n],writable:!0}),this},get:function(e){var t;return(t=e[this.name])&&t[0]===e?t[1]:void 0},"delete":function(e){var t=e[this.name];return t&&t[0]===e?(t[0]=t[1]=void 0,!0):!1},has:function(e){var t=e[this.name];return t?t[0]===e:!1}},window.WeakMap=n}(),function(e){function t(e){E.push(e),g||(g=!0,f(r))}function n(e){return window.ShadowDOMPolyfill&&window.ShadowDOMPolyfill.wrapIfNeeded(e)||e}function r(){g=!1;var e=E;E=[],e.sort(function(e,t){return e.uid_-t.uid_});var t=!1;e.forEach(function(e){var n=e.takeRecords();o(e),n.length&&(e.callback_(n,e),t=!0)}),t&&r()}function o(e){e.nodes_.forEach(function(t){var n=v.get(t);n&&n.forEach(function(t){t.observer===e&&t.removeTransientObservers()})})}function i(e,t){for(var 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i,a=e.sheet.cssRules,s=a?a.length:0,d=0;s>d&&(i=a[d]);d++)i.type===CSSRule.IMPORT_RULE&&(o=o&&Boolean(i.styleSheet))}o&&setTimeout(function(){e.dispatchEvent(new CustomEvent("load",{bubbles:!1}))})}},parseScript:function(t){var r=document.createElement("script");r.__importElement=t,r.src=t.src?t.src:n(t),e.currentScript=t,this.trackElement(r,function(t){r.parentNode&&r.parentNode.removeChild(r),e.currentScript=null}),this.addElementToDocument(r)},nextToParse:function(){return this._mayParse=[],!this.parsingElement&&(this.nextToParseInDoc(s)||this.nextToParseDynamic())},nextToParseInDoc:function(e,n){if(e&&this._mayParse.indexOf(e)<0){this._mayParse.push(e);for(var r,o=e.querySelectorAll(this.parseSelectorsForNode(e)),i=0,a=o.length;a>i&&(r=o[i]);i++)if(!this.isParsed(r))return this.hasResource(r)?t(r)?this.nextToParseInDoc(r.__doc,r):r:void 0}return n},nextToParseDynamic:function(){return this.dynamicElements[0]},parseSelectorsForNode:function(e){var t=e.ownerDocument||e;return 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i=e.flags,a=e.IMPORT_LINK_TYPE,s=e.IMPORT_SELECTOR,d=e.rootDocument,c=e.Loader,u=e.Observer,l=e.parser,h={documents:{},documentPreloadSelectors:s,importsPreloadSelectors:[s].join(","),loadNode:function(e){m.addNode(e)},loadSubtree:function(e){var t=this.marshalNodes(e);m.addNodes(t)},marshalNodes:function(e){return e.querySelectorAll(this.loadSelectorsForNode(e))},loadSelectorsForNode:function(e){var t=e.ownerDocument||e;return t===d?this.documentPreloadSelectors:this.importsPreloadSelectors},loaded:function(e,n,r,a,s){if(i.load&&console.log("loaded",e,n),n.__resource=r,n.__error=a,t(n)){var d=this.documents[e];void 0===d&&(d=a?null:o(r,s||e),d&&(d.__importLink=n,this.bootDocument(d)),this.documents[e]=d),n.__doc=d}l.parseNext()},bootDocument:function(e){this.loadSubtree(e),this.observer.observe(e),l.parseNext()},loadedAll:function(){l.parseNext()}},m=new c(h.loaded.bind(h),h.loadedAll.bind(h));if(h.observer=new u,!document.baseURI){var p={get:function(){var e=document.querySelector("base");return e?e.href:window.location.href},configurable:!0};Object.defineProperty(document,"baseURI",p),Object.defineProperty(d,"baseURI",p)}e.importer=h,e.importLoader=m}),window.HTMLImports.addModule(function(e){var t=e.parser,n=e.importer,r={added:function(e){for(var r,o,i,a,s=0,d=e.length;d>s&&(a=e[s]);s++)r||(r=a.ownerDocument,o=t.isParsed(r)),i=this.shouldLoadNode(a),i&&n.loadNode(a),this.shouldParseNode(a)&&o&&t.parseDynamic(a,i)},shouldLoadNode:function(e){return 1===e.nodeType&&o.call(e,n.loadSelectorsForNode(e))},shouldParseNode:function(e){return 1===e.nodeType&&o.call(e,t.parseSelectorsForNode(e))}};n.observer.addCallback=r.added.bind(r);var o=HTMLElement.prototype.matches||HTMLElement.prototype.matchesSelector||HTMLElement.prototype.webkitMatchesSelector||HTMLElement.prototype.mozMatchesSelector||HTMLElement.prototype.msMatchesSelector}),function(e){function t(){window.HTMLImports.importer.bootDocument(r)}var n=e.initializeModules;e.isIE;if(!e.useNative){n();var r=e.rootDocument;"complete"===document.readyState||"interactive"===document.readyState&&!window.attachEvent?t():document.addEventListener("DOMContentLoaded",t)}}(window.HTMLImports);
\ No newline at end of file
diff --git a/dashboard-ui/bower_components/webcomponentsjs/MutationObserver.js b/dashboard-ui/bower_components/webcomponentsjs/MutationObserver.js
new file mode 100644
index 0000000000..e58713b6a8
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/MutationObserver.js
@@ -0,0 +1,350 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
+if (typeof WeakMap === "undefined") {
+  (function() {
+    var defineProperty = Object.defineProperty;
+    var counter = Date.now() % 1e9;
+    var WeakMap = function() {
+      this.name = "__st" + (Math.random() * 1e9 >>> 0) + (counter++ + "__");
+    };
+    WeakMap.prototype = {
+      set: function(key, value) {
+        var entry = key[this.name];
+        if (entry && entry[0] === key) entry[1] = value; else defineProperty(key, this.name, {
+          value: [ key, value ],
+          writable: true
+        });
+        return this;
+      },
+      get: function(key) {
+        var entry;
+        return (entry = key[this.name]) && entry[0] === key ? entry[1] : undefined;
+      },
+      "delete": function(key) {
+        var entry = key[this.name];
+        if (!entry || entry[0] !== key) return false;
+        entry[0] = entry[1] = undefined;
+        return true;
+      },
+      has: function(key) {
+        var entry = key[this.name];
+        if (!entry) return false;
+        return entry[0] === key;
+      }
+    };
+    window.WeakMap = WeakMap;
+  })();
+}
+
+(function(global) {
+  if (global.JsMutationObserver) {
+    return;
+  }
+  var registrationsTable = new WeakMap();
+  var setImmediate;
+  if (/Trident|Edge/.test(navigator.userAgent)) {
+    setImmediate = setTimeout;
+  } else if (window.setImmediate) {
+    setImmediate = window.setImmediate;
+  } else {
+    var setImmediateQueue = [];
+    var sentinel = String(Math.random());
+    window.addEventListener("message", function(e) {
+      if (e.data === sentinel) {
+        var queue = setImmediateQueue;
+        setImmediateQueue = [];
+        queue.forEach(function(func) {
+          func();
+        });
+      }
+    });
+    setImmediate = function(func) {
+      setImmediateQueue.push(func);
+      window.postMessage(sentinel, "*");
+    };
+  }
+  var isScheduled = false;
+  var scheduledObservers = [];
+  function scheduleCallback(observer) {
+    scheduledObservers.push(observer);
+    if (!isScheduled) {
+      isScheduled = true;
+      setImmediate(dispatchCallbacks);
+    }
+  }
+  function wrapIfNeeded(node) {
+    return window.ShadowDOMPolyfill && window.ShadowDOMPolyfill.wrapIfNeeded(node) || node;
+  }
+  function dispatchCallbacks() {
+    isScheduled = false;
+    var observers = scheduledObservers;
+    scheduledObservers = [];
+    observers.sort(function(o1, o2) {
+      return o1.uid_ - o2.uid_;
+    });
+    var anyNonEmpty = false;
+    observers.forEach(function(observer) {
+      var queue = observer.takeRecords();
+      removeTransientObserversFor(observer);
+      if (queue.length) {
+        observer.callback_(queue, observer);
+        anyNonEmpty = true;
+      }
+    });
+    if (anyNonEmpty) dispatchCallbacks();
+  }
+  function removeTransientObserversFor(observer) {
+    observer.nodes_.forEach(function(node) {
+      var registrations = registrationsTable.get(node);
+      if (!registrations) return;
+      registrations.forEach(function(registration) {
+        if (registration.observer === observer) registration.removeTransientObservers();
+      });
+    });
+  }
+  function forEachAncestorAndObserverEnqueueRecord(target, callback) {
+    for (var node = target; node; node = node.parentNode) {
+      var registrations = registrationsTable.get(node);
+      if (registrations) {
+        for (var j = 0; j < registrations.length; j++) {
+          var registration = registrations[j];
+          var options = registration.options;
+          if (node !== target && !options.subtree) continue;
+          var record = callback(options);
+          if (record) registration.enqueue(record);
+        }
+      }
+    }
+  }
+  var uidCounter = 0;
+  function JsMutationObserver(callback) {
+    this.callback_ = callback;
+    this.nodes_ = [];
+    this.records_ = [];
+    this.uid_ = ++uidCounter;
+  }
+  JsMutationObserver.prototype = {
+    observe: function(target, options) {
+      target = wrapIfNeeded(target);
+      if (!options.childList && !options.attributes && !options.characterData || options.attributeOldValue && !options.attributes || options.attributeFilter && options.attributeFilter.length && !options.attributes || options.characterDataOldValue && !options.characterData) {
+        throw new SyntaxError();
+      }
+      var registrations = registrationsTable.get(target);
+      if (!registrations) registrationsTable.set(target, registrations = []);
+      var registration;
+      for (var i = 0; i < registrations.length; i++) {
+        if (registrations[i].observer === this) {
+          registration = registrations[i];
+          registration.removeListeners();
+          registration.options = options;
+          break;
+        }
+      }
+      if (!registration) {
+        registration = new Registration(this, target, options);
+        registrations.push(registration);
+        this.nodes_.push(target);
+      }
+      registration.addListeners();
+    },
+    disconnect: function() {
+      this.nodes_.forEach(function(node) {
+        var registrations = registrationsTable.get(node);
+        for (var i = 0; i < registrations.length; i++) {
+          var registration = registrations[i];
+          if (registration.observer === this) {
+            registration.removeListeners();
+            registrations.splice(i, 1);
+            break;
+          }
+        }
+      }, this);
+      this.records_ = [];
+    },
+    takeRecords: function() {
+      var copyOfRecords = this.records_;
+      this.records_ = [];
+      return copyOfRecords;
+    }
+  };
+  function MutationRecord(type, target) {
+    this.type = type;
+    this.target = target;
+    this.addedNodes = [];
+    this.removedNodes = [];
+    this.previousSibling = null;
+    this.nextSibling = null;
+    this.attributeName = null;
+    this.attributeNamespace = null;
+    this.oldValue = null;
+  }
+  function copyMutationRecord(original) {
+    var record = new MutationRecord(original.type, original.target);
+    record.addedNodes = original.addedNodes.slice();
+    record.removedNodes = original.removedNodes.slice();
+    record.previousSibling = original.previousSibling;
+    record.nextSibling = original.nextSibling;
+    record.attributeName = original.attributeName;
+    record.attributeNamespace = original.attributeNamespace;
+    record.oldValue = original.oldValue;
+    return record;
+  }
+  var currentRecord, recordWithOldValue;
+  function getRecord(type, target) {
+    return currentRecord = new MutationRecord(type, target);
+  }
+  function getRecordWithOldValue(oldValue) {
+    if (recordWithOldValue) return recordWithOldValue;
+    recordWithOldValue = copyMutationRecord(currentRecord);
+    recordWithOldValue.oldValue = oldValue;
+    return recordWithOldValue;
+  }
+  function clearRecords() {
+    currentRecord = recordWithOldValue = undefined;
+  }
+  function recordRepresentsCurrentMutation(record) {
+    return record === recordWithOldValue || record === currentRecord;
+  }
+  function selectRecord(lastRecord, newRecord) {
+    if (lastRecord === newRecord) return lastRecord;
+    if (recordWithOldValue && recordRepresentsCurrentMutation(lastRecord)) return recordWithOldValue;
+    return null;
+  }
+  function Registration(observer, target, options) {
+    this.observer = observer;
+    this.target = target;
+    this.options = options;
+    this.transientObservedNodes = [];
+  }
+  Registration.prototype = {
+    enqueue: function(record) {
+      var records = this.observer.records_;
+      var length = records.length;
+      if (records.length > 0) {
+        var lastRecord = records[length - 1];
+        var recordToReplaceLast = selectRecord(lastRecord, record);
+        if (recordToReplaceLast) {
+          records[length - 1] = recordToReplaceLast;
+          return;
+        }
+      } else {
+        scheduleCallback(this.observer);
+      }
+      records[length] = record;
+    },
+    addListeners: function() {
+      this.addListeners_(this.target);
+    },
+    addListeners_: function(node) {
+      var options = this.options;
+      if (options.attributes) node.addEventListener("DOMAttrModified", this, true);
+      if (options.characterData) node.addEventListener("DOMCharacterDataModified", this, true);
+      if (options.childList) node.addEventListener("DOMNodeInserted", this, true);
+      if (options.childList || options.subtree) node.addEventListener("DOMNodeRemoved", this, true);
+    },
+    removeListeners: function() {
+      this.removeListeners_(this.target);
+    },
+    removeListeners_: function(node) {
+      var options = this.options;
+      if (options.attributes) node.removeEventListener("DOMAttrModified", this, true);
+      if (options.characterData) node.removeEventListener("DOMCharacterDataModified", this, true);
+      if (options.childList) node.removeEventListener("DOMNodeInserted", this, true);
+      if (options.childList || options.subtree) node.removeEventListener("DOMNodeRemoved", this, true);
+    },
+    addTransientObserver: function(node) {
+      if (node === this.target) return;
+      this.addListeners_(node);
+      this.transientObservedNodes.push(node);
+      var registrations = registrationsTable.get(node);
+      if (!registrations) registrationsTable.set(node, registrations = []);
+      registrations.push(this);
+    },
+    removeTransientObservers: function() {
+      var transientObservedNodes = this.transientObservedNodes;
+      this.transientObservedNodes = [];
+      transientObservedNodes.forEach(function(node) {
+        this.removeListeners_(node);
+        var registrations = registrationsTable.get(node);
+        for (var i = 0; i < registrations.length; i++) {
+          if (registrations[i] === this) {
+            registrations.splice(i, 1);
+            break;
+          }
+        }
+      }, this);
+    },
+    handleEvent: function(e) {
+      e.stopImmediatePropagation();
+      switch (e.type) {
+       case "DOMAttrModified":
+        var name = e.attrName;
+        var namespace = e.relatedNode.namespaceURI;
+        var target = e.target;
+        var record = new getRecord("attributes", target);
+        record.attributeName = name;
+        record.attributeNamespace = namespace;
+        var oldValue = e.attrChange === MutationEvent.ADDITION ? null : e.prevValue;
+        forEachAncestorAndObserverEnqueueRecord(target, function(options) {
+          if (!options.attributes) return;
+          if (options.attributeFilter && options.attributeFilter.length && options.attributeFilter.indexOf(name) === -1 && options.attributeFilter.indexOf(namespace) === -1) {
+            return;
+          }
+          if (options.attributeOldValue) return getRecordWithOldValue(oldValue);
+          return record;
+        });
+        break;
+
+       case "DOMCharacterDataModified":
+        var target = e.target;
+        var record = getRecord("characterData", target);
+        var oldValue = e.prevValue;
+        forEachAncestorAndObserverEnqueueRecord(target, function(options) {
+          if (!options.characterData) return;
+          if (options.characterDataOldValue) return getRecordWithOldValue(oldValue);
+          return record;
+        });
+        break;
+
+       case "DOMNodeRemoved":
+        this.addTransientObserver(e.target);
+
+       case "DOMNodeInserted":
+        var changedNode = e.target;
+        var addedNodes, removedNodes;
+        if (e.type === "DOMNodeInserted") {
+          addedNodes = [ changedNode ];
+          removedNodes = [];
+        } else {
+          addedNodes = [];
+          removedNodes = [ changedNode ];
+        }
+        var previousSibling = changedNode.previousSibling;
+        var nextSibling = changedNode.nextSibling;
+        var record = getRecord("childList", e.target.parentNode);
+        record.addedNodes = addedNodes;
+        record.removedNodes = removedNodes;
+        record.previousSibling = previousSibling;
+        record.nextSibling = nextSibling;
+        forEachAncestorAndObserverEnqueueRecord(e.relatedNode, function(options) {
+          if (!options.childList) return;
+          return record;
+        });
+      }
+      clearRecords();
+    }
+  };
+  global.JsMutationObserver = JsMutationObserver;
+  if (!global.MutationObserver) {
+    global.MutationObserver = JsMutationObserver;
+    JsMutationObserver._isPolyfilled = true;
+  }
+})(self);
\ No newline at end of file
diff --git a/dashboard-ui/bower_components/webcomponentsjs/MutationObserver.min.js b/dashboard-ui/bower_components/webcomponentsjs/MutationObserver.min.js
new file mode 100644
index 0000000000..267b374ec1
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/MutationObserver.min.js
@@ -0,0 +1,11 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
+"undefined"==typeof WeakMap&&!function(){var e=Object.defineProperty,t=Date.now()%1e9,r=function(){this.name="__st"+(1e9*Math.random()>>>0)+(t++ +"__")};r.prototype={set:function(t,r){var i=t[this.name];return i&&i[0]===t?i[1]=r:e(t,this.name,{value:[t,r],writable:!0}),this},get:function(e){var t;return(t=e[this.name])&&t[0]===e?t[1]:void 0},"delete":function(e){var t=e[this.name];return t&&t[0]===e?(t[0]=t[1]=void 0,!0):!1},has:function(e){var t=e[this.name];return t?t[0]===e:!1}},window.WeakMap=r}(),function(e){function t(e){N.push(e),O||(O=!0,b(i))}function r(e){return window.ShadowDOMPolyfill&&window.ShadowDOMPolyfill.wrapIfNeeded(e)||e}function i(){O=!1;var e=N;N=[],e.sort(function(e,t){return e.uid_-t.uid_});var t=!1;e.forEach(function(e){var r=e.takeRecords();n(e),r.length&&(e.callback_(r,e),t=!0)}),t&&i()}function n(e){e.nodes_.forEach(function(t){var r=p.get(t);r&&r.forEach(function(t){t.observer===e&&t.removeTransientObservers()})})}function a(e,t){for(var r=e;r;r=r.parentNode){var i=p.get(r);if(i)for(var n=0;n<i.length;n++){var a=i[n],s=a.options;if(r===e||s.subtree){var o=t(s);o&&a.enqueue(o)}}}}function s(e){this.callback_=e,this.nodes_=[],this.records_=[],this.uid_=++M}function o(e,t){this.type=e,this.target=t,this.addedNodes=[],this.removedNodes=[],this.previousSibling=null,this.nextSibling=null,this.attributeName=null,this.attributeNamespace=null,this.oldValue=null}function d(e){var t=new o(e.type,e.target);return t.addedNodes=e.addedNodes.slice(),t.removedNodes=e.removedNodes.slice(),t.previousSibling=e.previousSibling,t.nextSibling=e.nextSibling,t.attributeName=e.attributeName,t.attributeNamespace=e.attributeNamespace,t.oldValue=e.oldValue,t}function u(e,t){return D=new o(e,t)}function h(e){return w?w:(w=d(D),w.oldValue=e,w)}function c(){D=w=void 0}function v(e){return e===w||e===D}function l(e,t){return e===t?e:w&&v(e)?w:null}function f(e,t,r){this.observer=e,this.target=t,this.options=r,this.transientObservedNodes=[]}if(!e.JsMutationObserver){var b,p=new WeakMap;if(/Trident|Edge/.test(navigator.userAgent))b=setTimeout;else if(window.setImmediate)b=window.setImmediate;else{var g=[],m=String(Math.random());window.addEventListener("message",function(e){if(e.data===m){var t=g;g=[],t.forEach(function(e){e()})}}),b=function(e){g.push(e),window.postMessage(m,"*")}}var O=!1,N=[],M=0;s.prototype={observe:function(e,t){if(e=r(e),!t.childList&&!t.attributes&&!t.characterData||t.attributeOldValue&&!t.attributes||t.attributeFilter&&t.attributeFilter.length&&!t.attributes||t.characterDataOldValue&&!t.characterData)throw new SyntaxError;var i=p.get(e);i||p.set(e,i=[]);for(var n,a=0;a<i.length;a++)if(i[a].observer===this){n=i[a],n.removeListeners(),n.options=t;break}n||(n=new f(this,e,t),i.push(n),this.nodes_.push(e)),n.addListeners()},disconnect:function(){this.nodes_.forEach(function(e){for(var t=p.get(e),r=0;r<t.length;r++){var i=t[r];if(i.observer===this){i.removeListeners(),t.splice(r,1);break}}},this),this.records_=[]},takeRecords:function(){var e=this.records_;return this.records_=[],e}};var D,w;f.prototype={enqueue:function(e){var r=this.observer.records_,i=r.length;if(r.length>0){var n=r[i-1],a=l(n,e);if(a)return void(r[i-1]=a)}else t(this.observer);r[i]=e},addListeners:function(){this.addListeners_(this.target)},addListeners_:function(e){var t=this.options;t.attributes&&e.addEventListener("DOMAttrModified",this,!0),t.characterData&&e.addEventListener("DOMCharacterDataModified",this,!0),t.childList&&e.addEventListener("DOMNodeInserted",this,!0),(t.childList||t.subtree)&&e.addEventListener("DOMNodeRemoved",this,!0)},removeListeners:function(){this.removeListeners_(this.target)},removeListeners_:function(e){var t=this.options;t.attributes&&e.removeEventListener("DOMAttrModified",this,!0),t.characterData&&e.removeEventListener("DOMCharacterDataModified",this,!0),t.childList&&e.removeEventListener("DOMNodeInserted",this,!0),(t.childList||t.subtree)&&e.removeEventListener("DOMNodeRemoved",this,!0)},addTransientObserver:function(e){if(e!==this.target){this.addListeners_(e),this.transientObservedNodes.push(e);var t=p.get(e);t||p.set(e,t=[]),t.push(this)}},removeTransientObservers:function(){var e=this.transientObservedNodes;this.transientObservedNodes=[],e.forEach(function(e){this.removeListeners_(e);for(var t=p.get(e),r=0;r<t.length;r++)if(t[r]===this){t.splice(r,1);break}},this)},handleEvent:function(e){switch(e.stopImmediatePropagation(),e.type){case"DOMAttrModified":var t=e.attrName,r=e.relatedNode.namespaceURI,i=e.target,n=new u("attributes",i);n.attributeName=t,n.attributeNamespace=r;var s=e.attrChange===MutationEvent.ADDITION?null:e.prevValue;a(i,function(e){return!e.attributes||e.attributeFilter&&e.attributeFilter.length&&-1===e.attributeFilter.indexOf(t)&&-1===e.attributeFilter.indexOf(r)?void 0:e.attributeOldValue?h(s):n});break;case"DOMCharacterDataModified":var i=e.target,n=u("characterData",i),s=e.prevValue;a(i,function(e){return e.characterData?e.characterDataOldValue?h(s):n:void 0});break;case"DOMNodeRemoved":this.addTransientObserver(e.target);case"DOMNodeInserted":var o,d,v=e.target;"DOMNodeInserted"===e.type?(o=[v],d=[]):(o=[],d=[v]);var l=v.previousSibling,f=v.nextSibling,n=u("childList",e.target.parentNode);n.addedNodes=o,n.removedNodes=d,n.previousSibling=l,n.nextSibling=f,a(e.relatedNode,function(e){return e.childList?n:void 0})}c()}},e.JsMutationObserver=s,e.MutationObserver||(e.MutationObserver=s,s._isPolyfilled=!0)}}(self);
\ No newline at end of file
diff --git a/dashboard-ui/bower_components/webcomponentsjs/ShadowDOM.js b/dashboard-ui/bower_components/webcomponentsjs/ShadowDOM.js
new file mode 100644
index 0000000000..5a59b4da12
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/ShadowDOM.js
@@ -0,0 +1,4493 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
+if (typeof WeakMap === "undefined") {
+  (function() {
+    var defineProperty = Object.defineProperty;
+    var counter = Date.now() % 1e9;
+    var WeakMap = function() {
+      this.name = "__st" + (Math.random() * 1e9 >>> 0) + (counter++ + "__");
+    };
+    WeakMap.prototype = {
+      set: function(key, value) {
+        var entry = key[this.name];
+        if (entry && entry[0] === key) entry[1] = value; else defineProperty(key, this.name, {
+          value: [ key, value ],
+          writable: true
+        });
+        return this;
+      },
+      get: function(key) {
+        var entry;
+        return (entry = key[this.name]) && entry[0] === key ? entry[1] : undefined;
+      },
+      "delete": function(key) {
+        var entry = key[this.name];
+        if (!entry || entry[0] !== key) return false;
+        entry[0] = entry[1] = undefined;
+        return true;
+      },
+      has: function(key) {
+        var entry = key[this.name];
+        if (!entry) return false;
+        return entry[0] === key;
+      }
+    };
+    window.WeakMap = WeakMap;
+  })();
+}
+
+window.ShadowDOMPolyfill = {};
+
+(function(scope) {
+  "use strict";
+  var constructorTable = new WeakMap();
+  var nativePrototypeTable = new WeakMap();
+  var wrappers = Object.create(null);
+  function detectEval() {
+    if (typeof chrome !== "undefined" && chrome.app && chrome.app.runtime) {
+      return false;
+    }
+    if (navigator.getDeviceStorage) {
+      return false;
+    }
+    try {
+      var f = new Function("return true;");
+      return f();
+    } catch (ex) {
+      return false;
+    }
+  }
+  var hasEval = detectEval();
+  function assert(b) {
+    if (!b) throw new Error("Assertion failed");
+  }
+  var defineProperty = Object.defineProperty;
+  var getOwnPropertyNames = Object.getOwnPropertyNames;
+  var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
+  function mixin(to, from) {
+    var names = getOwnPropertyNames(from);
+    for (var i = 0; i < names.length; i++) {
+      var name = names[i];
+      defineProperty(to, name, getOwnPropertyDescriptor(from, name));
+    }
+    return to;
+  }
+  function mixinStatics(to, from) {
+    var names = getOwnPropertyNames(from);
+    for (var i = 0; i < names.length; i++) {
+      var name = names[i];
+      switch (name) {
+       case "arguments":
+       case "caller":
+       case "length":
+       case "name":
+       case "prototype":
+       case "toString":
+        continue;
+      }
+      defineProperty(to, name, getOwnPropertyDescriptor(from, name));
+    }
+    return to;
+  }
+  function oneOf(object, propertyNames) {
+    for (var i = 0; i < propertyNames.length; i++) {
+      if (propertyNames[i] in object) return propertyNames[i];
+    }
+  }
+  var nonEnumerableDataDescriptor = {
+    value: undefined,
+    configurable: true,
+    enumerable: false,
+    writable: true
+  };
+  function defineNonEnumerableDataProperty(object, name, value) {
+    nonEnumerableDataDescriptor.value = value;
+    defineProperty(object, name, nonEnumerableDataDescriptor);
+  }
+  getOwnPropertyNames(window);
+  function getWrapperConstructor(node, opt_instance) {
+    var nativePrototype = node.__proto__ || Object.getPrototypeOf(node);
+    if (isFirefox) {
+      try {
+        getOwnPropertyNames(nativePrototype);
+      } catch (error) {
+        nativePrototype = nativePrototype.__proto__;
+      }
+    }
+    var wrapperConstructor = constructorTable.get(nativePrototype);
+    if (wrapperConstructor) return wrapperConstructor;
+    var parentWrapperConstructor = getWrapperConstructor(nativePrototype);
+    var GeneratedWrapper = createWrapperConstructor(parentWrapperConstructor);
+    registerInternal(nativePrototype, GeneratedWrapper, opt_instance);
+    return GeneratedWrapper;
+  }
+  function addForwardingProperties(nativePrototype, wrapperPrototype) {
+    installProperty(nativePrototype, wrapperPrototype, true);
+  }
+  function registerInstanceProperties(wrapperPrototype, instanceObject) {
+    installProperty(instanceObject, wrapperPrototype, false);
+  }
+  var isFirefox = /Firefox/.test(navigator.userAgent);
+  var dummyDescriptor = {
+    get: function() {},
+    set: function(v) {},
+    configurable: true,
+    enumerable: true
+  };
+  function isEventHandlerName(name) {
+    return /^on[a-z]+$/.test(name);
+  }
+  function isIdentifierName(name) {
+    return /^[a-zA-Z_$][a-zA-Z_$0-9]*$/.test(name);
+  }
+  function getGetter(name) {
+    return hasEval && isIdentifierName(name) ? new Function("return this.__impl4cf1e782hg__." + name) : function() {
+      return this.__impl4cf1e782hg__[name];
+    };
+  }
+  function getSetter(name) {
+    return hasEval && isIdentifierName(name) ? new Function("v", "this.__impl4cf1e782hg__." + name + " = v") : function(v) {
+      this.__impl4cf1e782hg__[name] = v;
+    };
+  }
+  function getMethod(name) {
+    return hasEval && isIdentifierName(name) ? new Function("return this.__impl4cf1e782hg__." + name + ".apply(this.__impl4cf1e782hg__, arguments)") : function() {
+      return this.__impl4cf1e782hg__[name].apply(this.__impl4cf1e782hg__, arguments);
+    };
+  }
+  function getDescriptor(source, name) {
+    try {
+      return Object.getOwnPropertyDescriptor(source, name);
+    } catch (ex) {
+      return dummyDescriptor;
+    }
+  }
+  var isBrokenSafari = function() {
+    var descr = Object.getOwnPropertyDescriptor(Node.prototype, "nodeType");
+    return descr && !descr.get && !descr.set;
+  }();
+  function installProperty(source, target, allowMethod, opt_blacklist) {
+    var names = getOwnPropertyNames(source);
+    for (var i = 0; i < names.length; i++) {
+      var name = names[i];
+      if (name === "polymerBlackList_") continue;
+      if (name in target) continue;
+      if (source.polymerBlackList_ && source.polymerBlackList_[name]) continue;
+      if (isFirefox) {
+        source.__lookupGetter__(name);
+      }
+      var descriptor = getDescriptor(source, name);
+      var getter, setter;
+      if (typeof descriptor.value === "function") {
+        if (allowMethod) {
+          target[name] = getMethod(name);
+        }
+        continue;
+      }
+      var isEvent = isEventHandlerName(name);
+      if (isEvent) getter = scope.getEventHandlerGetter(name); else getter = getGetter(name);
+      if (descriptor.writable || descriptor.set || isBrokenSafari) {
+        if (isEvent) setter = scope.getEventHandlerSetter(name); else setter = getSetter(name);
+      }
+      var configurable = isBrokenSafari || descriptor.configurable;
+      defineProperty(target, name, {
+        get: getter,
+        set: setter,
+        configurable: configurable,
+        enumerable: descriptor.enumerable
+      });
+    }
+  }
+  function register(nativeConstructor, wrapperConstructor, opt_instance) {
+    if (nativeConstructor == null) {
+      return;
+    }
+    var nativePrototype = nativeConstructor.prototype;
+    registerInternal(nativePrototype, wrapperConstructor, opt_instance);
+    mixinStatics(wrapperConstructor, nativeConstructor);
+  }
+  function registerInternal(nativePrototype, wrapperConstructor, opt_instance) {
+    var wrapperPrototype = wrapperConstructor.prototype;
+    assert(constructorTable.get(nativePrototype) === undefined);
+    constructorTable.set(nativePrototype, wrapperConstructor);
+    nativePrototypeTable.set(wrapperPrototype, nativePrototype);
+    addForwardingProperties(nativePrototype, wrapperPrototype);
+    if (opt_instance) registerInstanceProperties(wrapperPrototype, opt_instance);
+    defineNonEnumerableDataProperty(wrapperPrototype, "constructor", wrapperConstructor);
+    wrapperConstructor.prototype = wrapperPrototype;
+  }
+  function isWrapperFor(wrapperConstructor, nativeConstructor) {
+    return constructorTable.get(nativeConstructor.prototype) === wrapperConstructor;
+  }
+  function registerObject(object) {
+    var nativePrototype = Object.getPrototypeOf(object);
+    var superWrapperConstructor = getWrapperConstructor(nativePrototype);
+    var GeneratedWrapper = createWrapperConstructor(superWrapperConstructor);
+    registerInternal(nativePrototype, GeneratedWrapper, object);
+    return GeneratedWrapper;
+  }
+  function createWrapperConstructor(superWrapperConstructor) {
+    function GeneratedWrapper(node) {
+      superWrapperConstructor.call(this, node);
+    }
+    var p = Object.create(superWrapperConstructor.prototype);
+    p.constructor = GeneratedWrapper;
+    GeneratedWrapper.prototype = p;
+    return GeneratedWrapper;
+  }
+  function isWrapper(object) {
+    return object && object.__impl4cf1e782hg__;
+  }
+  function isNative(object) {
+    return !isWrapper(object);
+  }
+  function wrap(impl) {
+    if (impl === null) return null;
+    assert(isNative(impl));
+    var wrapper = impl.__wrapper8e3dd93a60__;
+    if (wrapper != null) {
+      return wrapper;
+    }
+    return impl.__wrapper8e3dd93a60__ = new (getWrapperConstructor(impl, impl))(impl);
+  }
+  function unwrap(wrapper) {
+    if (wrapper === null) return null;
+    assert(isWrapper(wrapper));
+    return wrapper.__impl4cf1e782hg__;
+  }
+  function unsafeUnwrap(wrapper) {
+    return wrapper.__impl4cf1e782hg__;
+  }
+  function setWrapper(impl, wrapper) {
+    wrapper.__impl4cf1e782hg__ = impl;
+    impl.__wrapper8e3dd93a60__ = wrapper;
+  }
+  function unwrapIfNeeded(object) {
+    return object && isWrapper(object) ? unwrap(object) : object;
+  }
+  function wrapIfNeeded(object) {
+    return object && !isWrapper(object) ? wrap(object) : object;
+  }
+  function rewrap(node, wrapper) {
+    if (wrapper === null) return;
+    assert(isNative(node));
+    assert(wrapper === undefined || isWrapper(wrapper));
+    node.__wrapper8e3dd93a60__ = wrapper;
+  }
+  var getterDescriptor = {
+    get: undefined,
+    configurable: true,
+    enumerable: true
+  };
+  function defineGetter(constructor, name, getter) {
+    getterDescriptor.get = getter;
+    defineProperty(constructor.prototype, name, getterDescriptor);
+  }
+  function defineWrapGetter(constructor, name) {
+    defineGetter(constructor, name, function() {
+      return wrap(this.__impl4cf1e782hg__[name]);
+    });
+  }
+  function forwardMethodsToWrapper(constructors, names) {
+    constructors.forEach(function(constructor) {
+      names.forEach(function(name) {
+        constructor.prototype[name] = function() {
+          var w = wrapIfNeeded(this);
+          return w[name].apply(w, arguments);
+        };
+      });
+    });
+  }
+  scope.addForwardingProperties = addForwardingProperties;
+  scope.assert = assert;
+  scope.constructorTable = constructorTable;
+  scope.defineGetter = defineGetter;
+  scope.defineWrapGetter = defineWrapGetter;
+  scope.forwardMethodsToWrapper = forwardMethodsToWrapper;
+  scope.isIdentifierName = isIdentifierName;
+  scope.isWrapper = isWrapper;
+  scope.isWrapperFor = isWrapperFor;
+  scope.mixin = mixin;
+  scope.nativePrototypeTable = nativePrototypeTable;
+  scope.oneOf = oneOf;
+  scope.registerObject = registerObject;
+  scope.registerWrapper = register;
+  scope.rewrap = rewrap;
+  scope.setWrapper = setWrapper;
+  scope.unsafeUnwrap = unsafeUnwrap;
+  scope.unwrap = unwrap;
+  scope.unwrapIfNeeded = unwrapIfNeeded;
+  scope.wrap = wrap;
+  scope.wrapIfNeeded = wrapIfNeeded;
+  scope.wrappers = wrappers;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  function newSplice(index, removed, addedCount) {
+    return {
+      index: index,
+      removed: removed,
+      addedCount: addedCount
+    };
+  }
+  var EDIT_LEAVE = 0;
+  var EDIT_UPDATE = 1;
+  var EDIT_ADD = 2;
+  var EDIT_DELETE = 3;
+  function ArraySplice() {}
+  ArraySplice.prototype = {
+    calcEditDistances: function(current, currentStart, currentEnd, old, oldStart, oldEnd) {
+      var rowCount = oldEnd - oldStart + 1;
+      var columnCount = currentEnd - currentStart + 1;
+      var distances = new Array(rowCount);
+      for (var i = 0; i < rowCount; i++) {
+        distances[i] = new Array(columnCount);
+        distances[i][0] = i;
+      }
+      for (var j = 0; j < columnCount; j++) distances[0][j] = j;
+      for (var i = 1; i < rowCount; i++) {
+        for (var j = 1; j < columnCount; j++) {
+          if (this.equals(current[currentStart + j - 1], old[oldStart + i - 1])) distances[i][j] = distances[i - 1][j - 1]; else {
+            var north = distances[i - 1][j] + 1;
+            var west = distances[i][j - 1] + 1;
+            distances[i][j] = north < west ? north : west;
+          }
+        }
+      }
+      return distances;
+    },
+    spliceOperationsFromEditDistances: function(distances) {
+      var i = distances.length - 1;
+      var j = distances[0].length - 1;
+      var current = distances[i][j];
+      var edits = [];
+      while (i > 0 || j > 0) {
+        if (i == 0) {
+          edits.push(EDIT_ADD);
+          j--;
+          continue;
+        }
+        if (j == 0) {
+          edits.push(EDIT_DELETE);
+          i--;
+          continue;
+        }
+        var northWest = distances[i - 1][j - 1];
+        var west = distances[i - 1][j];
+        var north = distances[i][j - 1];
+        var min;
+        if (west < north) min = west < northWest ? west : northWest; else min = north < northWest ? north : northWest;
+        if (min == northWest) {
+          if (northWest == current) {
+            edits.push(EDIT_LEAVE);
+          } else {
+            edits.push(EDIT_UPDATE);
+            current = northWest;
+          }
+          i--;
+          j--;
+        } else if (min == west) {
+          edits.push(EDIT_DELETE);
+          i--;
+          current = west;
+        } else {
+          edits.push(EDIT_ADD);
+          j--;
+          current = north;
+        }
+      }
+      edits.reverse();
+      return edits;
+    },
+    calcSplices: function(current, currentStart, currentEnd, old, oldStart, oldEnd) {
+      var prefixCount = 0;
+      var suffixCount = 0;
+      var minLength = Math.min(currentEnd - currentStart, oldEnd - oldStart);
+      if (currentStart == 0 && oldStart == 0) prefixCount = this.sharedPrefix(current, old, minLength);
+      if (currentEnd == current.length && oldEnd == old.length) suffixCount = this.sharedSuffix(current, old, minLength - prefixCount);
+      currentStart += prefixCount;
+      oldStart += prefixCount;
+      currentEnd -= suffixCount;
+      oldEnd -= suffixCount;
+      if (currentEnd - currentStart == 0 && oldEnd - oldStart == 0) return [];
+      if (currentStart == currentEnd) {
+        var splice = newSplice(currentStart, [], 0);
+        while (oldStart < oldEnd) splice.removed.push(old[oldStart++]);
+        return [ splice ];
+      } else if (oldStart == oldEnd) return [ newSplice(currentStart, [], currentEnd - currentStart) ];
+      var ops = this.spliceOperationsFromEditDistances(this.calcEditDistances(current, currentStart, currentEnd, old, oldStart, oldEnd));
+      var splice = undefined;
+      var splices = [];
+      var index = currentStart;
+      var oldIndex = oldStart;
+      for (var i = 0; i < ops.length; i++) {
+        switch (ops[i]) {
+         case EDIT_LEAVE:
+          if (splice) {
+            splices.push(splice);
+            splice = undefined;
+          }
+          index++;
+          oldIndex++;
+          break;
+
+         case EDIT_UPDATE:
+          if (!splice) splice = newSplice(index, [], 0);
+          splice.addedCount++;
+          index++;
+          splice.removed.push(old[oldIndex]);
+          oldIndex++;
+          break;
+
+         case EDIT_ADD:
+          if (!splice) splice = newSplice(index, [], 0);
+          splice.addedCount++;
+          index++;
+          break;
+
+         case EDIT_DELETE:
+          if (!splice) splice = newSplice(index, [], 0);
+          splice.removed.push(old[oldIndex]);
+          oldIndex++;
+          break;
+        }
+      }
+      if (splice) {
+        splices.push(splice);
+      }
+      return splices;
+    },
+    sharedPrefix: function(current, old, searchLength) {
+      for (var i = 0; i < searchLength; i++) if (!this.equals(current[i], old[i])) return i;
+      return searchLength;
+    },
+    sharedSuffix: function(current, old, searchLength) {
+      var index1 = current.length;
+      var index2 = old.length;
+      var count = 0;
+      while (count < searchLength && this.equals(current[--index1], old[--index2])) count++;
+      return count;
+    },
+    calculateSplices: function(current, previous) {
+      return this.calcSplices(current, 0, current.length, previous, 0, previous.length);
+    },
+    equals: function(currentValue, previousValue) {
+      return currentValue === previousValue;
+    }
+  };
+  scope.ArraySplice = ArraySplice;
+})(window.ShadowDOMPolyfill);
+
+(function(context) {
+  "use strict";
+  var OriginalMutationObserver = window.MutationObserver;
+  var callbacks = [];
+  var pending = false;
+  var timerFunc;
+  function handle() {
+    pending = false;
+    var copies = callbacks.slice(0);
+    callbacks = [];
+    for (var i = 0; i < copies.length; i++) {
+      (0, copies[i])();
+    }
+  }
+  if (OriginalMutationObserver) {
+    var counter = 1;
+    var observer = new OriginalMutationObserver(handle);
+    var textNode = document.createTextNode(counter);
+    observer.observe(textNode, {
+      characterData: true
+    });
+    timerFunc = function() {
+      counter = (counter + 1) % 2;
+      textNode.data = counter;
+    };
+  } else {
+    timerFunc = window.setTimeout;
+  }
+  function setEndOfMicrotask(func) {
+    callbacks.push(func);
+    if (pending) return;
+    pending = true;
+    timerFunc(handle, 0);
+  }
+  context.setEndOfMicrotask = setEndOfMicrotask;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var setEndOfMicrotask = scope.setEndOfMicrotask;
+  var wrapIfNeeded = scope.wrapIfNeeded;
+  var wrappers = scope.wrappers;
+  var registrationsTable = new WeakMap();
+  var globalMutationObservers = [];
+  var isScheduled = false;
+  function scheduleCallback(observer) {
+    if (observer.scheduled_) return;
+    observer.scheduled_ = true;
+    globalMutationObservers.push(observer);
+    if (isScheduled) return;
+    setEndOfMicrotask(notifyObservers);
+    isScheduled = true;
+  }
+  function notifyObservers() {
+    isScheduled = false;
+    while (globalMutationObservers.length) {
+      var notifyList = globalMutationObservers;
+      globalMutationObservers = [];
+      notifyList.sort(function(x, y) {
+        return x.uid_ - y.uid_;
+      });
+      for (var i = 0; i < notifyList.length; i++) {
+        var mo = notifyList[i];
+        mo.scheduled_ = false;
+        var queue = mo.takeRecords();
+        removeTransientObserversFor(mo);
+        if (queue.length) {
+          mo.callback_(queue, mo);
+        }
+      }
+    }
+  }
+  function MutationRecord(type, target) {
+    this.type = type;
+    this.target = target;
+    this.addedNodes = new wrappers.NodeList();
+    this.removedNodes = new wrappers.NodeList();
+    this.previousSibling = null;
+    this.nextSibling = null;
+    this.attributeName = null;
+    this.attributeNamespace = null;
+    this.oldValue = null;
+  }
+  function registerTransientObservers(ancestor, node) {
+    for (;ancestor; ancestor = ancestor.parentNode) {
+      var registrations = registrationsTable.get(ancestor);
+      if (!registrations) continue;
+      for (var i = 0; i < registrations.length; i++) {
+        var registration = registrations[i];
+        if (registration.options.subtree) registration.addTransientObserver(node);
+      }
+    }
+  }
+  function removeTransientObserversFor(observer) {
+    for (var i = 0; i < observer.nodes_.length; i++) {
+      var node = observer.nodes_[i];
+      var registrations = registrationsTable.get(node);
+      if (!registrations) return;
+      for (var j = 0; j < registrations.length; j++) {
+        var registration = registrations[j];
+        if (registration.observer === observer) registration.removeTransientObservers();
+      }
+    }
+  }
+  function enqueueMutation(target, type, data) {
+    var interestedObservers = Object.create(null);
+    var associatedStrings = Object.create(null);
+    for (var node = target; node; node = node.parentNode) {
+      var registrations = registrationsTable.get(node);
+      if (!registrations) continue;
+      for (var j = 0; j < registrations.length; j++) {
+        var registration = registrations[j];
+        var options = registration.options;
+        if (node !== target && !options.subtree) continue;
+        if (type === "attributes" && !options.attributes) continue;
+        if (type === "attributes" && options.attributeFilter && (data.namespace !== null || options.attributeFilter.indexOf(data.name) === -1)) {
+          continue;
+        }
+        if (type === "characterData" && !options.characterData) continue;
+        if (type === "childList" && !options.childList) continue;
+        var observer = registration.observer;
+        interestedObservers[observer.uid_] = observer;
+        if (type === "attributes" && options.attributeOldValue || type === "characterData" && options.characterDataOldValue) {
+          associatedStrings[observer.uid_] = data.oldValue;
+        }
+      }
+    }
+    for (var uid in interestedObservers) {
+      var observer = interestedObservers[uid];
+      var record = new MutationRecord(type, target);
+      if ("name" in data && "namespace" in data) {
+        record.attributeName = data.name;
+        record.attributeNamespace = data.namespace;
+      }
+      if (data.addedNodes) record.addedNodes = data.addedNodes;
+      if (data.removedNodes) record.removedNodes = data.removedNodes;
+      if (data.previousSibling) record.previousSibling = data.previousSibling;
+      if (data.nextSibling) record.nextSibling = data.nextSibling;
+      if (associatedStrings[uid] !== undefined) record.oldValue = associatedStrings[uid];
+      scheduleCallback(observer);
+      observer.records_.push(record);
+    }
+  }
+  var slice = Array.prototype.slice;
+  function MutationObserverOptions(options) {
+    this.childList = !!options.childList;
+    this.subtree = !!options.subtree;
+    if (!("attributes" in options) && ("attributeOldValue" in options || "attributeFilter" in options)) {
+      this.attributes = true;
+    } else {
+      this.attributes = !!options.attributes;
+    }
+    if ("characterDataOldValue" in options && !("characterData" in options)) this.characterData = true; else this.characterData = !!options.characterData;
+    if (!this.attributes && (options.attributeOldValue || "attributeFilter" in options) || !this.characterData && options.characterDataOldValue) {
+      throw new TypeError();
+    }
+    this.characterData = !!options.characterData;
+    this.attributeOldValue = !!options.attributeOldValue;
+    this.characterDataOldValue = !!options.characterDataOldValue;
+    if ("attributeFilter" in options) {
+      if (options.attributeFilter == null || typeof options.attributeFilter !== "object") {
+        throw new TypeError();
+      }
+      this.attributeFilter = slice.call(options.attributeFilter);
+    } else {
+      this.attributeFilter = null;
+    }
+  }
+  var uidCounter = 0;
+  function MutationObserver(callback) {
+    this.callback_ = callback;
+    this.nodes_ = [];
+    this.records_ = [];
+    this.uid_ = ++uidCounter;
+    this.scheduled_ = false;
+  }
+  MutationObserver.prototype = {
+    constructor: MutationObserver,
+    observe: function(target, options) {
+      target = wrapIfNeeded(target);
+      var newOptions = new MutationObserverOptions(options);
+      var registration;
+      var registrations = registrationsTable.get(target);
+      if (!registrations) registrationsTable.set(target, registrations = []);
+      for (var i = 0; i < registrations.length; i++) {
+        if (registrations[i].observer === this) {
+          registration = registrations[i];
+          registration.removeTransientObservers();
+          registration.options = newOptions;
+        }
+      }
+      if (!registration) {
+        registration = new Registration(this, target, newOptions);
+        registrations.push(registration);
+        this.nodes_.push(target);
+      }
+    },
+    disconnect: function() {
+      this.nodes_.forEach(function(node) {
+        var registrations = registrationsTable.get(node);
+        for (var i = 0; i < registrations.length; i++) {
+          var registration = registrations[i];
+          if (registration.observer === this) {
+            registrations.splice(i, 1);
+            break;
+          }
+        }
+      }, this);
+      this.records_ = [];
+    },
+    takeRecords: function() {
+      var copyOfRecords = this.records_;
+      this.records_ = [];
+      return copyOfRecords;
+    }
+  };
+  function Registration(observer, target, options) {
+    this.observer = observer;
+    this.target = target;
+    this.options = options;
+    this.transientObservedNodes = [];
+  }
+  Registration.prototype = {
+    addTransientObserver: function(node) {
+      if (node === this.target) return;
+      scheduleCallback(this.observer);
+      this.transientObservedNodes.push(node);
+      var registrations = registrationsTable.get(node);
+      if (!registrations) registrationsTable.set(node, registrations = []);
+      registrations.push(this);
+    },
+    removeTransientObservers: function() {
+      var transientObservedNodes = this.transientObservedNodes;
+      this.transientObservedNodes = [];
+      for (var i = 0; i < transientObservedNodes.length; i++) {
+        var node = transientObservedNodes[i];
+        var registrations = registrationsTable.get(node);
+        for (var j = 0; j < registrations.length; j++) {
+          if (registrations[j] === this) {
+            registrations.splice(j, 1);
+            break;
+          }
+        }
+      }
+    }
+  };
+  scope.enqueueMutation = enqueueMutation;
+  scope.registerTransientObservers = registerTransientObservers;
+  scope.wrappers.MutationObserver = MutationObserver;
+  scope.wrappers.MutationRecord = MutationRecord;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  function TreeScope(root, parent) {
+    this.root = root;
+    this.parent = parent;
+  }
+  TreeScope.prototype = {
+    get renderer() {
+      if (this.root instanceof scope.wrappers.ShadowRoot) {
+        return scope.getRendererForHost(this.root.host);
+      }
+      return null;
+    },
+    contains: function(treeScope) {
+      for (;treeScope; treeScope = treeScope.parent) {
+        if (treeScope === this) return true;
+      }
+      return false;
+    }
+  };
+  function setTreeScope(node, treeScope) {
+    if (node.treeScope_ !== treeScope) {
+      node.treeScope_ = treeScope;
+      for (var sr = node.shadowRoot; sr; sr = sr.olderShadowRoot) {
+        sr.treeScope_.parent = treeScope;
+      }
+      for (var child = node.firstChild; child; child = child.nextSibling) {
+        setTreeScope(child, treeScope);
+      }
+    }
+  }
+  function getTreeScope(node) {
+    if (node instanceof scope.wrappers.Window) {
+      debugger;
+    }
+    if (node.treeScope_) return node.treeScope_;
+    var parent = node.parentNode;
+    var treeScope;
+    if (parent) treeScope = getTreeScope(parent); else treeScope = new TreeScope(node, null);
+    return node.treeScope_ = treeScope;
+  }
+  scope.TreeScope = TreeScope;
+  scope.getTreeScope = getTreeScope;
+  scope.setTreeScope = setTreeScope;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var forwardMethodsToWrapper = scope.forwardMethodsToWrapper;
+  var getTreeScope = scope.getTreeScope;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var setWrapper = scope.setWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var wrappers = scope.wrappers;
+  var wrappedFuns = new WeakMap();
+  var listenersTable = new WeakMap();
+  var handledEventsTable = new WeakMap();
+  var currentlyDispatchingEvents = new WeakMap();
+  var targetTable = new WeakMap();
+  var currentTargetTable = new WeakMap();
+  var relatedTargetTable = new WeakMap();
+  var eventPhaseTable = new WeakMap();
+  var stopPropagationTable = new WeakMap();
+  var stopImmediatePropagationTable = new WeakMap();
+  var eventHandlersTable = new WeakMap();
+  var eventPathTable = new WeakMap();
+  function isShadowRoot(node) {
+    return node instanceof wrappers.ShadowRoot;
+  }
+  function rootOfNode(node) {
+    return getTreeScope(node).root;
+  }
+  function getEventPath(node, event) {
+    var path = [];
+    var current = node;
+    path.push(current);
+    while (current) {
+      var destinationInsertionPoints = getDestinationInsertionPoints(current);
+      if (destinationInsertionPoints && destinationInsertionPoints.length > 0) {
+        for (var i = 0; i < destinationInsertionPoints.length; i++) {
+          var insertionPoint = destinationInsertionPoints[i];
+          if (isShadowInsertionPoint(insertionPoint)) {
+            var shadowRoot = rootOfNode(insertionPoint);
+            var olderShadowRoot = shadowRoot.olderShadowRoot;
+            if (olderShadowRoot) path.push(olderShadowRoot);
+          }
+          path.push(insertionPoint);
+        }
+        current = destinationInsertionPoints[destinationInsertionPoints.length - 1];
+      } else {
+        if (isShadowRoot(current)) {
+          if (inSameTree(node, current) && eventMustBeStopped(event)) {
+            break;
+          }
+          current = current.host;
+          path.push(current);
+        } else {
+          current = current.parentNode;
+          if (current) path.push(current);
+        }
+      }
+    }
+    return path;
+  }
+  function eventMustBeStopped(event) {
+    if (!event) return false;
+    switch (event.type) {
+     case "abort":
+     case "error":
+     case "select":
+     case "change":
+     case "load":
+     case "reset":
+     case "resize":
+     case "scroll":
+     case "selectstart":
+      return true;
+    }
+    return false;
+  }
+  function isShadowInsertionPoint(node) {
+    return node instanceof HTMLShadowElement;
+  }
+  function getDestinationInsertionPoints(node) {
+    return scope.getDestinationInsertionPoints(node);
+  }
+  function eventRetargetting(path, currentTarget) {
+    if (path.length === 0) return currentTarget;
+    if (currentTarget instanceof wrappers.Window) currentTarget = currentTarget.document;
+    var currentTargetTree = getTreeScope(currentTarget);
+    var originalTarget = path[0];
+    var originalTargetTree = getTreeScope(originalTarget);
+    var relativeTargetTree = lowestCommonInclusiveAncestor(currentTargetTree, originalTargetTree);
+    for (var i = 0; i < path.length; i++) {
+      var node = path[i];
+      if (getTreeScope(node) === relativeTargetTree) return node;
+    }
+    return path[path.length - 1];
+  }
+  function getTreeScopeAncestors(treeScope) {
+    var ancestors = [];
+    for (;treeScope; treeScope = treeScope.parent) {
+      ancestors.push(treeScope);
+    }
+    return ancestors;
+  }
+  function lowestCommonInclusiveAncestor(tsA, tsB) {
+    var ancestorsA = getTreeScopeAncestors(tsA);
+    var ancestorsB = getTreeScopeAncestors(tsB);
+    var result = null;
+    while (ancestorsA.length > 0 && ancestorsB.length > 0) {
+      var a = ancestorsA.pop();
+      var b = ancestorsB.pop();
+      if (a === b) result = a; else break;
+    }
+    return result;
+  }
+  function getTreeScopeRoot(ts) {
+    if (!ts.parent) return ts;
+    return getTreeScopeRoot(ts.parent);
+  }
+  function relatedTargetResolution(event, currentTarget, relatedTarget) {
+    if (currentTarget instanceof wrappers.Window) currentTarget = currentTarget.document;
+    var currentTargetTree = getTreeScope(currentTarget);
+    var relatedTargetTree = getTreeScope(relatedTarget);
+    var relatedTargetEventPath = getEventPath(relatedTarget, event);
+    var lowestCommonAncestorTree;
+    var lowestCommonAncestorTree = lowestCommonInclusiveAncestor(currentTargetTree, relatedTargetTree);
+    if (!lowestCommonAncestorTree) lowestCommonAncestorTree = relatedTargetTree.root;
+    for (var commonAncestorTree = lowestCommonAncestorTree; commonAncestorTree; commonAncestorTree = commonAncestorTree.parent) {
+      var adjustedRelatedTarget;
+      for (var i = 0; i < relatedTargetEventPath.length; i++) {
+        var node = relatedTargetEventPath[i];
+        if (getTreeScope(node) === commonAncestorTree) return node;
+      }
+    }
+    return null;
+  }
+  function inSameTree(a, b) {
+    return getTreeScope(a) === getTreeScope(b);
+  }
+  var NONE = 0;
+  var CAPTURING_PHASE = 1;
+  var AT_TARGET = 2;
+  var BUBBLING_PHASE = 3;
+  var pendingError;
+  function dispatchOriginalEvent(originalEvent) {
+    if (handledEventsTable.get(originalEvent)) return;
+    handledEventsTable.set(originalEvent, true);
+    dispatchEvent(wrap(originalEvent), wrap(originalEvent.target));
+    if (pendingError) {
+      var err = pendingError;
+      pendingError = null;
+      throw err;
+    }
+  }
+  function isLoadLikeEvent(event) {
+    switch (event.type) {
+     case "load":
+     case "beforeunload":
+     case "unload":
+      return true;
+    }
+    return false;
+  }
+  function dispatchEvent(event, originalWrapperTarget) {
+    if (currentlyDispatchingEvents.get(event)) throw new Error("InvalidStateError");
+    currentlyDispatchingEvents.set(event, true);
+    scope.renderAllPending();
+    var eventPath;
+    var overrideTarget;
+    var win;
+    if (isLoadLikeEvent(event) && !event.bubbles) {
+      var doc = originalWrapperTarget;
+      if (doc instanceof wrappers.Document && (win = doc.defaultView)) {
+        overrideTarget = doc;
+        eventPath = [];
+      }
+    }
+    if (!eventPath) {
+      if (originalWrapperTarget instanceof wrappers.Window) {
+        win = originalWrapperTarget;
+        eventPath = [];
+      } else {
+        eventPath = getEventPath(originalWrapperTarget, event);
+        if (!isLoadLikeEvent(event)) {
+          var doc = eventPath[eventPath.length - 1];
+          if (doc instanceof wrappers.Document) win = doc.defaultView;
+        }
+      }
+    }
+    eventPathTable.set(event, eventPath);
+    if (dispatchCapturing(event, eventPath, win, overrideTarget)) {
+      if (dispatchAtTarget(event, eventPath, win, overrideTarget)) {
+        dispatchBubbling(event, eventPath, win, overrideTarget);
+      }
+    }
+    eventPhaseTable.set(event, NONE);
+    currentTargetTable.delete(event, null);
+    currentlyDispatchingEvents.delete(event);
+    return event.defaultPrevented;
+  }
+  function dispatchCapturing(event, eventPath, win, overrideTarget) {
+    var phase = CAPTURING_PHASE;
+    if (win) {
+      if (!invoke(win, event, phase, eventPath, overrideTarget)) return false;
+    }
+    for (var i = eventPath.length - 1; i > 0; i--) {
+      if (!invoke(eventPath[i], event, phase, eventPath, overrideTarget)) return false;
+    }
+    return true;
+  }
+  function dispatchAtTarget(event, eventPath, win, overrideTarget) {
+    var phase = AT_TARGET;
+    var currentTarget = eventPath[0] || win;
+    return invoke(currentTarget, event, phase, eventPath, overrideTarget);
+  }
+  function dispatchBubbling(event, eventPath, win, overrideTarget) {
+    var phase = BUBBLING_PHASE;
+    for (var i = 1; i < eventPath.length; i++) {
+      if (!invoke(eventPath[i], event, phase, eventPath, overrideTarget)) return;
+    }
+    if (win && eventPath.length > 0) {
+      invoke(win, event, phase, eventPath, overrideTarget);
+    }
+  }
+  function invoke(currentTarget, event, phase, eventPath, overrideTarget) {
+    var listeners = listenersTable.get(currentTarget);
+    if (!listeners) return true;
+    var target = overrideTarget || eventRetargetting(eventPath, currentTarget);
+    if (target === currentTarget) {
+      if (phase === CAPTURING_PHASE) return true;
+      if (phase === BUBBLING_PHASE) phase = AT_TARGET;
+    } else if (phase === BUBBLING_PHASE && !event.bubbles) {
+      return true;
+    }
+    if ("relatedTarget" in event) {
+      var originalEvent = unwrap(event);
+      var unwrappedRelatedTarget = originalEvent.relatedTarget;
+      if (unwrappedRelatedTarget) {
+        if (unwrappedRelatedTarget instanceof Object && unwrappedRelatedTarget.addEventListener) {
+          var relatedTarget = wrap(unwrappedRelatedTarget);
+          var adjusted = relatedTargetResolution(event, currentTarget, relatedTarget);
+          if (adjusted === target) return true;
+        } else {
+          adjusted = null;
+        }
+        relatedTargetTable.set(event, adjusted);
+      }
+    }
+    eventPhaseTable.set(event, phase);
+    var type = event.type;
+    var anyRemoved = false;
+    targetTable.set(event, target);
+    currentTargetTable.set(event, currentTarget);
+    listeners.depth++;
+    for (var i = 0, len = listeners.length; i < len; i++) {
+      var listener = listeners[i];
+      if (listener.removed) {
+        anyRemoved = true;
+        continue;
+      }
+      if (listener.type !== type || !listener.capture && phase === CAPTURING_PHASE || listener.capture && phase === BUBBLING_PHASE) {
+        continue;
+      }
+      try {
+        if (typeof listener.handler === "function") listener.handler.call(currentTarget, event); else listener.handler.handleEvent(event);
+        if (stopImmediatePropagationTable.get(event)) return false;
+      } catch (ex) {
+        if (!pendingError) pendingError = ex;
+      }
+    }
+    listeners.depth--;
+    if (anyRemoved && listeners.depth === 0) {
+      var copy = listeners.slice();
+      listeners.length = 0;
+      for (var i = 0; i < copy.length; i++) {
+        if (!copy[i].removed) listeners.push(copy[i]);
+      }
+    }
+    return !stopPropagationTable.get(event);
+  }
+  function Listener(type, handler, capture) {
+    this.type = type;
+    this.handler = handler;
+    this.capture = Boolean(capture);
+  }
+  Listener.prototype = {
+    equals: function(that) {
+      return this.handler === that.handler && this.type === that.type && this.capture === that.capture;
+    },
+    get removed() {
+      return this.handler === null;
+    },
+    remove: function() {
+      this.handler = null;
+    }
+  };
+  var OriginalEvent = window.Event;
+  OriginalEvent.prototype.polymerBlackList_ = {
+    returnValue: true,
+    keyLocation: true
+  };
+  function Event(type, options) {
+    if (type instanceof OriginalEvent) {
+      var impl = type;
+      if (!OriginalBeforeUnloadEvent && impl.type === "beforeunload" && !(this instanceof BeforeUnloadEvent)) {
+        return new BeforeUnloadEvent(impl);
+      }
+      setWrapper(impl, this);
+    } else {
+      return wrap(constructEvent(OriginalEvent, "Event", type, options));
+    }
+  }
+  Event.prototype = {
+    get target() {
+      return targetTable.get(this);
+    },
+    get currentTarget() {
+      return currentTargetTable.get(this);
+    },
+    get eventPhase() {
+      return eventPhaseTable.get(this);
+    },
+    get path() {
+      var eventPath = eventPathTable.get(this);
+      if (!eventPath) return [];
+      return eventPath.slice();
+    },
+    stopPropagation: function() {
+      stopPropagationTable.set(this, true);
+    },
+    stopImmediatePropagation: function() {
+      stopPropagationTable.set(this, true);
+      stopImmediatePropagationTable.set(this, true);
+    }
+  };
+  var supportsDefaultPrevented = function() {
+    var e = document.createEvent("Event");
+    e.initEvent("test", true, true);
+    e.preventDefault();
+    return e.defaultPrevented;
+  }();
+  if (!supportsDefaultPrevented) {
+    Event.prototype.preventDefault = function() {
+      if (!this.cancelable) return;
+      unsafeUnwrap(this).preventDefault();
+      Object.defineProperty(this, "defaultPrevented", {
+        get: function() {
+          return true;
+        },
+        configurable: true
+      });
+    };
+  }
+  registerWrapper(OriginalEvent, Event, document.createEvent("Event"));
+  function unwrapOptions(options) {
+    if (!options || !options.relatedTarget) return options;
+    return Object.create(options, {
+      relatedTarget: {
+        value: unwrap(options.relatedTarget)
+      }
+    });
+  }
+  function registerGenericEvent(name, SuperEvent, prototype) {
+    var OriginalEvent = window[name];
+    var GenericEvent = function(type, options) {
+      if (type instanceof OriginalEvent) setWrapper(type, this); else return wrap(constructEvent(OriginalEvent, name, type, options));
+    };
+    GenericEvent.prototype = Object.create(SuperEvent.prototype);
+    if (prototype) mixin(GenericEvent.prototype, prototype);
+    if (OriginalEvent) {
+      try {
+        registerWrapper(OriginalEvent, GenericEvent, new OriginalEvent("temp"));
+      } catch (ex) {
+        registerWrapper(OriginalEvent, GenericEvent, document.createEvent(name));
+      }
+    }
+    return GenericEvent;
+  }
+  var UIEvent = registerGenericEvent("UIEvent", Event);
+  var CustomEvent = registerGenericEvent("CustomEvent", Event);
+  var relatedTargetProto = {
+    get relatedTarget() {
+      var relatedTarget = relatedTargetTable.get(this);
+      if (relatedTarget !== undefined) return relatedTarget;
+      return wrap(unwrap(this).relatedTarget);
+    }
+  };
+  function getInitFunction(name, relatedTargetIndex) {
+    return function() {
+      arguments[relatedTargetIndex] = unwrap(arguments[relatedTargetIndex]);
+      var impl = unwrap(this);
+      impl[name].apply(impl, arguments);
+    };
+  }
+  var mouseEventProto = mixin({
+    initMouseEvent: getInitFunction("initMouseEvent", 14)
+  }, relatedTargetProto);
+  var focusEventProto = mixin({
+    initFocusEvent: getInitFunction("initFocusEvent", 5)
+  }, relatedTargetProto);
+  var MouseEvent = registerGenericEvent("MouseEvent", UIEvent, mouseEventProto);
+  var FocusEvent = registerGenericEvent("FocusEvent", UIEvent, focusEventProto);
+  var defaultInitDicts = Object.create(null);
+  var supportsEventConstructors = function() {
+    try {
+      new window.FocusEvent("focus");
+    } catch (ex) {
+      return false;
+    }
+    return true;
+  }();
+  function constructEvent(OriginalEvent, name, type, options) {
+    if (supportsEventConstructors) return new OriginalEvent(type, unwrapOptions(options));
+    var event = unwrap(document.createEvent(name));
+    var defaultDict = defaultInitDicts[name];
+    var args = [ type ];
+    Object.keys(defaultDict).forEach(function(key) {
+      var v = options != null && key in options ? options[key] : defaultDict[key];
+      if (key === "relatedTarget") v = unwrap(v);
+      args.push(v);
+    });
+    event["init" + name].apply(event, args);
+    return event;
+  }
+  if (!supportsEventConstructors) {
+    var configureEventConstructor = function(name, initDict, superName) {
+      if (superName) {
+        var superDict = defaultInitDicts[superName];
+        initDict = mixin(mixin({}, superDict), initDict);
+      }
+      defaultInitDicts[name] = initDict;
+    };
+    configureEventConstructor("Event", {
+      bubbles: false,
+      cancelable: false
+    });
+    configureEventConstructor("CustomEvent", {
+      detail: null
+    }, "Event");
+    configureEventConstructor("UIEvent", {
+      view: null,
+      detail: 0
+    }, "Event");
+    configureEventConstructor("MouseEvent", {
+      screenX: 0,
+      screenY: 0,
+      clientX: 0,
+      clientY: 0,
+      ctrlKey: false,
+      altKey: false,
+      shiftKey: false,
+      metaKey: false,
+      button: 0,
+      relatedTarget: null
+    }, "UIEvent");
+    configureEventConstructor("FocusEvent", {
+      relatedTarget: null
+    }, "UIEvent");
+  }
+  var OriginalBeforeUnloadEvent = window.BeforeUnloadEvent;
+  function BeforeUnloadEvent(impl) {
+    Event.call(this, impl);
+  }
+  BeforeUnloadEvent.prototype = Object.create(Event.prototype);
+  mixin(BeforeUnloadEvent.prototype, {
+    get returnValue() {
+      return unsafeUnwrap(this).returnValue;
+    },
+    set returnValue(v) {
+      unsafeUnwrap(this).returnValue = v;
+    }
+  });
+  if (OriginalBeforeUnloadEvent) registerWrapper(OriginalBeforeUnloadEvent, BeforeUnloadEvent);
+  function isValidListener(fun) {
+    if (typeof fun === "function") return true;
+    return fun && fun.handleEvent;
+  }
+  function isMutationEvent(type) {
+    switch (type) {
+     case "DOMAttrModified":
+     case "DOMAttributeNameChanged":
+     case "DOMCharacterDataModified":
+     case "DOMElementNameChanged":
+     case "DOMNodeInserted":
+     case "DOMNodeInsertedIntoDocument":
+     case "DOMNodeRemoved":
+     case "DOMNodeRemovedFromDocument":
+     case "DOMSubtreeModified":
+      return true;
+    }
+    return false;
+  }
+  var OriginalEventTarget = window.EventTarget;
+  function EventTarget(impl) {
+    setWrapper(impl, this);
+  }
+  var methodNames = [ "addEventListener", "removeEventListener", "dispatchEvent" ];
+  [ Node, Window ].forEach(function(constructor) {
+    var p = constructor.prototype;
+    methodNames.forEach(function(name) {
+      Object.defineProperty(p, name + "_", {
+        value: p[name]
+      });
+    });
+  });
+  function getTargetToListenAt(wrapper) {
+    if (wrapper instanceof wrappers.ShadowRoot) wrapper = wrapper.host;
+    return unwrap(wrapper);
+  }
+  EventTarget.prototype = {
+    addEventListener: function(type, fun, capture) {
+      if (!isValidListener(fun) || isMutationEvent(type)) return;
+      var listener = new Listener(type, fun, capture);
+      var listeners = listenersTable.get(this);
+      if (!listeners) {
+        listeners = [];
+        listeners.depth = 0;
+        listenersTable.set(this, listeners);
+      } else {
+        for (var i = 0; i < listeners.length; i++) {
+          if (listener.equals(listeners[i])) return;
+        }
+      }
+      listeners.push(listener);
+      var target = getTargetToListenAt(this);
+      target.addEventListener_(type, dispatchOriginalEvent, true);
+    },
+    removeEventListener: function(type, fun, capture) {
+      capture = Boolean(capture);
+      var listeners = listenersTable.get(this);
+      if (!listeners) return;
+      var count = 0, found = false;
+      for (var i = 0; i < listeners.length; i++) {
+        if (listeners[i].type === type && listeners[i].capture === capture) {
+          count++;
+          if (listeners[i].handler === fun) {
+            found = true;
+            listeners[i].remove();
+          }
+        }
+      }
+      if (found && count === 1) {
+        var target = getTargetToListenAt(this);
+        target.removeEventListener_(type, dispatchOriginalEvent, true);
+      }
+    },
+    dispatchEvent: function(event) {
+      var nativeEvent = unwrap(event);
+      var eventType = nativeEvent.type;
+      handledEventsTable.set(nativeEvent, false);
+      scope.renderAllPending();
+      var tempListener;
+      if (!hasListenerInAncestors(this, eventType)) {
+        tempListener = function() {};
+        this.addEventListener(eventType, tempListener, true);
+      }
+      try {
+        return unwrap(this).dispatchEvent_(nativeEvent);
+      } finally {
+        if (tempListener) this.removeEventListener(eventType, tempListener, true);
+      }
+    }
+  };
+  function hasListener(node, type) {
+    var listeners = listenersTable.get(node);
+    if (listeners) {
+      for (var i = 0; i < listeners.length; i++) {
+        if (!listeners[i].removed && listeners[i].type === type) return true;
+      }
+    }
+    return false;
+  }
+  function hasListenerInAncestors(target, type) {
+    for (var node = unwrap(target); node; node = node.parentNode) {
+      if (hasListener(wrap(node), type)) return true;
+    }
+    return false;
+  }
+  if (OriginalEventTarget) registerWrapper(OriginalEventTarget, EventTarget);
+  function wrapEventTargetMethods(constructors) {
+    forwardMethodsToWrapper(constructors, methodNames);
+  }
+  var originalElementFromPoint = document.elementFromPoint;
+  function elementFromPoint(self, document, x, y) {
+    scope.renderAllPending();
+    var element = wrap(originalElementFromPoint.call(unsafeUnwrap(document), x, y));
+    if (!element) return null;
+    var path = getEventPath(element, null);
+    var idx = path.lastIndexOf(self);
+    if (idx == -1) return null; else path = path.slice(0, idx);
+    return eventRetargetting(path, self);
+  }
+  function getEventHandlerGetter(name) {
+    return function() {
+      var inlineEventHandlers = eventHandlersTable.get(this);
+      return inlineEventHandlers && inlineEventHandlers[name] && inlineEventHandlers[name].value || null;
+    };
+  }
+  function getEventHandlerSetter(name) {
+    var eventType = name.slice(2);
+    return function(value) {
+      var inlineEventHandlers = eventHandlersTable.get(this);
+      if (!inlineEventHandlers) {
+        inlineEventHandlers = Object.create(null);
+        eventHandlersTable.set(this, inlineEventHandlers);
+      }
+      var old = inlineEventHandlers[name];
+      if (old) this.removeEventListener(eventType, old.wrapped, false);
+      if (typeof value === "function") {
+        var wrapped = function(e) {
+          var rv = value.call(this, e);
+          if (rv === false) e.preventDefault(); else if (name === "onbeforeunload" && typeof rv === "string") e.returnValue = rv;
+        };
+        this.addEventListener(eventType, wrapped, false);
+        inlineEventHandlers[name] = {
+          value: value,
+          wrapped: wrapped
+        };
+      }
+    };
+  }
+  scope.elementFromPoint = elementFromPoint;
+  scope.getEventHandlerGetter = getEventHandlerGetter;
+  scope.getEventHandlerSetter = getEventHandlerSetter;
+  scope.wrapEventTargetMethods = wrapEventTargetMethods;
+  scope.wrappers.BeforeUnloadEvent = BeforeUnloadEvent;
+  scope.wrappers.CustomEvent = CustomEvent;
+  scope.wrappers.Event = Event;
+  scope.wrappers.EventTarget = EventTarget;
+  scope.wrappers.FocusEvent = FocusEvent;
+  scope.wrappers.MouseEvent = MouseEvent;
+  scope.wrappers.UIEvent = UIEvent;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var UIEvent = scope.wrappers.UIEvent;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var setWrapper = scope.setWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var wrap = scope.wrap;
+  var OriginalTouchEvent = window.TouchEvent;
+  if (!OriginalTouchEvent) return;
+  var nativeEvent;
+  try {
+    nativeEvent = document.createEvent("TouchEvent");
+  } catch (ex) {
+    return;
+  }
+  var nonEnumDescriptor = {
+    enumerable: false
+  };
+  function nonEnum(obj, prop) {
+    Object.defineProperty(obj, prop, nonEnumDescriptor);
+  }
+  function Touch(impl) {
+    setWrapper(impl, this);
+  }
+  Touch.prototype = {
+    get target() {
+      return wrap(unsafeUnwrap(this).target);
+    }
+  };
+  var descr = {
+    configurable: true,
+    enumerable: true,
+    get: null
+  };
+  [ "clientX", "clientY", "screenX", "screenY", "pageX", "pageY", "identifier", "webkitRadiusX", "webkitRadiusY", "webkitRotationAngle", "webkitForce" ].forEach(function(name) {
+    descr.get = function() {
+      return unsafeUnwrap(this)[name];
+    };
+    Object.defineProperty(Touch.prototype, name, descr);
+  });
+  function TouchList() {
+    this.length = 0;
+    nonEnum(this, "length");
+  }
+  TouchList.prototype = {
+    item: function(index) {
+      return this[index];
+    }
+  };
+  function wrapTouchList(nativeTouchList) {
+    var list = new TouchList();
+    for (var i = 0; i < nativeTouchList.length; i++) {
+      list[i] = new Touch(nativeTouchList[i]);
+    }
+    list.length = i;
+    return list;
+  }
+  function TouchEvent(impl) {
+    UIEvent.call(this, impl);
+  }
+  TouchEvent.prototype = Object.create(UIEvent.prototype);
+  mixin(TouchEvent.prototype, {
+    get touches() {
+      return wrapTouchList(unsafeUnwrap(this).touches);
+    },
+    get targetTouches() {
+      return wrapTouchList(unsafeUnwrap(this).targetTouches);
+    },
+    get changedTouches() {
+      return wrapTouchList(unsafeUnwrap(this).changedTouches);
+    },
+    initTouchEvent: function() {
+      throw new Error("Not implemented");
+    }
+  });
+  registerWrapper(OriginalTouchEvent, TouchEvent, nativeEvent);
+  scope.wrappers.Touch = Touch;
+  scope.wrappers.TouchEvent = TouchEvent;
+  scope.wrappers.TouchList = TouchList;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var wrap = scope.wrap;
+  var nonEnumDescriptor = {
+    enumerable: false
+  };
+  function nonEnum(obj, prop) {
+    Object.defineProperty(obj, prop, nonEnumDescriptor);
+  }
+  function NodeList() {
+    this.length = 0;
+    nonEnum(this, "length");
+  }
+  NodeList.prototype = {
+    item: function(index) {
+      return this[index];
+    }
+  };
+  nonEnum(NodeList.prototype, "item");
+  function wrapNodeList(list) {
+    if (list == null) return list;
+    var wrapperList = new NodeList();
+    for (var i = 0, length = list.length; i < length; i++) {
+      wrapperList[i] = wrap(list[i]);
+    }
+    wrapperList.length = length;
+    return wrapperList;
+  }
+  function addWrapNodeListMethod(wrapperConstructor, name) {
+    wrapperConstructor.prototype[name] = function() {
+      return wrapNodeList(unsafeUnwrap(this)[name].apply(unsafeUnwrap(this), arguments));
+    };
+  }
+  scope.wrappers.NodeList = NodeList;
+  scope.addWrapNodeListMethod = addWrapNodeListMethod;
+  scope.wrapNodeList = wrapNodeList;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  scope.wrapHTMLCollection = scope.wrapNodeList;
+  scope.wrappers.HTMLCollection = scope.wrappers.NodeList;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var EventTarget = scope.wrappers.EventTarget;
+  var NodeList = scope.wrappers.NodeList;
+  var TreeScope = scope.TreeScope;
+  var assert = scope.assert;
+  var defineWrapGetter = scope.defineWrapGetter;
+  var enqueueMutation = scope.enqueueMutation;
+  var getTreeScope = scope.getTreeScope;
+  var isWrapper = scope.isWrapper;
+  var mixin = scope.mixin;
+  var registerTransientObservers = scope.registerTransientObservers;
+  var registerWrapper = scope.registerWrapper;
+  var setTreeScope = scope.setTreeScope;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrap = scope.unwrap;
+  var unwrapIfNeeded = scope.unwrapIfNeeded;
+  var wrap = scope.wrap;
+  var wrapIfNeeded = scope.wrapIfNeeded;
+  var wrappers = scope.wrappers;
+  function assertIsNodeWrapper(node) {
+    assert(node instanceof Node);
+  }
+  function createOneElementNodeList(node) {
+    var nodes = new NodeList();
+    nodes[0] = node;
+    nodes.length = 1;
+    return nodes;
+  }
+  var surpressMutations = false;
+  function enqueueRemovalForInsertedNodes(node, parent, nodes) {
+    enqueueMutation(parent, "childList", {
+      removedNodes: nodes,
+      previousSibling: node.previousSibling,
+      nextSibling: node.nextSibling
+    });
+  }
+  function enqueueRemovalForInsertedDocumentFragment(df, nodes) {
+    enqueueMutation(df, "childList", {
+      removedNodes: nodes
+    });
+  }
+  function collectNodes(node, parentNode, previousNode, nextNode) {
+    if (node instanceof DocumentFragment) {
+      var nodes = collectNodesForDocumentFragment(node);
+      surpressMutations = true;
+      for (var i = nodes.length - 1; i >= 0; i--) {
+        node.removeChild(nodes[i]);
+        nodes[i].parentNode_ = parentNode;
+      }
+      surpressMutations = false;
+      for (var i = 0; i < nodes.length; i++) {
+        nodes[i].previousSibling_ = nodes[i - 1] || previousNode;
+        nodes[i].nextSibling_ = nodes[i + 1] || nextNode;
+      }
+      if (previousNode) previousNode.nextSibling_ = nodes[0];
+      if (nextNode) nextNode.previousSibling_ = nodes[nodes.length - 1];
+      return nodes;
+    }
+    var nodes = createOneElementNodeList(node);
+    var oldParent = node.parentNode;
+    if (oldParent) {
+      oldParent.removeChild(node);
+    }
+    node.parentNode_ = parentNode;
+    node.previousSibling_ = previousNode;
+    node.nextSibling_ = nextNode;
+    if (previousNode) previousNode.nextSibling_ = node;
+    if (nextNode) nextNode.previousSibling_ = node;
+    return nodes;
+  }
+  function collectNodesNative(node) {
+    if (node instanceof DocumentFragment) return collectNodesForDocumentFragment(node);
+    var nodes = createOneElementNodeList(node);
+    var oldParent = node.parentNode;
+    if (oldParent) enqueueRemovalForInsertedNodes(node, oldParent, nodes);
+    return nodes;
+  }
+  function collectNodesForDocumentFragment(node) {
+    var nodes = new NodeList();
+    var i = 0;
+    for (var child = node.firstChild; child; child = child.nextSibling) {
+      nodes[i++] = child;
+    }
+    nodes.length = i;
+    enqueueRemovalForInsertedDocumentFragment(node, nodes);
+    return nodes;
+  }
+  function snapshotNodeList(nodeList) {
+    return nodeList;
+  }
+  function nodeWasAdded(node, treeScope) {
+    setTreeScope(node, treeScope);
+    node.nodeIsInserted_();
+  }
+  function nodesWereAdded(nodes, parent) {
+    var treeScope = getTreeScope(parent);
+    for (var i = 0; i < nodes.length; i++) {
+      nodeWasAdded(nodes[i], treeScope);
+    }
+  }
+  function nodeWasRemoved(node) {
+    setTreeScope(node, new TreeScope(node, null));
+  }
+  function nodesWereRemoved(nodes) {
+    for (var i = 0; i < nodes.length; i++) {
+      nodeWasRemoved(nodes[i]);
+    }
+  }
+  function ensureSameOwnerDocument(parent, child) {
+    var ownerDoc = parent.nodeType === Node.DOCUMENT_NODE ? parent : parent.ownerDocument;
+    if (ownerDoc !== child.ownerDocument) ownerDoc.adoptNode(child);
+  }
+  function adoptNodesIfNeeded(owner, nodes) {
+    if (!nodes.length) return;
+    var ownerDoc = owner.ownerDocument;
+    if (ownerDoc === nodes[0].ownerDocument) return;
+    for (var i = 0; i < nodes.length; i++) {
+      scope.adoptNodeNoRemove(nodes[i], ownerDoc);
+    }
+  }
+  function unwrapNodesForInsertion(owner, nodes) {
+    adoptNodesIfNeeded(owner, nodes);
+    var length = nodes.length;
+    if (length === 1) return unwrap(nodes[0]);
+    var df = unwrap(owner.ownerDocument.createDocumentFragment());
+    for (var i = 0; i < length; i++) {
+      df.appendChild(unwrap(nodes[i]));
+    }
+    return df;
+  }
+  function clearChildNodes(wrapper) {
+    if (wrapper.firstChild_ !== undefined) {
+      var child = wrapper.firstChild_;
+      while (child) {
+        var tmp = child;
+        child = child.nextSibling_;
+        tmp.parentNode_ = tmp.previousSibling_ = tmp.nextSibling_ = undefined;
+      }
+    }
+    wrapper.firstChild_ = wrapper.lastChild_ = undefined;
+  }
+  function removeAllChildNodes(wrapper) {
+    if (wrapper.invalidateShadowRenderer()) {
+      var childWrapper = wrapper.firstChild;
+      while (childWrapper) {
+        assert(childWrapper.parentNode === wrapper);
+        var nextSibling = childWrapper.nextSibling;
+        var childNode = unwrap(childWrapper);
+        var parentNode = childNode.parentNode;
+        if (parentNode) originalRemoveChild.call(parentNode, childNode);
+        childWrapper.previousSibling_ = childWrapper.nextSibling_ = childWrapper.parentNode_ = null;
+        childWrapper = nextSibling;
+      }
+      wrapper.firstChild_ = wrapper.lastChild_ = null;
+    } else {
+      var node = unwrap(wrapper);
+      var child = node.firstChild;
+      var nextSibling;
+      while (child) {
+        nextSibling = child.nextSibling;
+        originalRemoveChild.call(node, child);
+        child = nextSibling;
+      }
+    }
+  }
+  function invalidateParent(node) {
+    var p = node.parentNode;
+    return p && p.invalidateShadowRenderer();
+  }
+  function cleanupNodes(nodes) {
+    for (var i = 0, n; i < nodes.length; i++) {
+      n = nodes[i];
+      n.parentNode.removeChild(n);
+    }
+  }
+  var originalImportNode = document.importNode;
+  var originalCloneNode = window.Node.prototype.cloneNode;
+  function cloneNode(node, deep, opt_doc) {
+    var clone;
+    if (opt_doc) clone = wrap(originalImportNode.call(opt_doc, unsafeUnwrap(node), false)); else clone = wrap(originalCloneNode.call(unsafeUnwrap(node), false));
+    if (deep) {
+      for (var child = node.firstChild; child; child = child.nextSibling) {
+        clone.appendChild(cloneNode(child, true, opt_doc));
+      }
+      if (node instanceof wrappers.HTMLTemplateElement) {
+        var cloneContent = clone.content;
+        for (var child = node.content.firstChild; child; child = child.nextSibling) {
+          cloneContent.appendChild(cloneNode(child, true, opt_doc));
+        }
+      }
+    }
+    return clone;
+  }
+  function contains(self, child) {
+    if (!child || getTreeScope(self) !== getTreeScope(child)) return false;
+    for (var node = child; node; node = node.parentNode) {
+      if (node === self) return true;
+    }
+    return false;
+  }
+  var OriginalNode = window.Node;
+  function Node(original) {
+    assert(original instanceof OriginalNode);
+    EventTarget.call(this, original);
+    this.parentNode_ = undefined;
+    this.firstChild_ = undefined;
+    this.lastChild_ = undefined;
+    this.nextSibling_ = undefined;
+    this.previousSibling_ = undefined;
+    this.treeScope_ = undefined;
+  }
+  var OriginalDocumentFragment = window.DocumentFragment;
+  var originalAppendChild = OriginalNode.prototype.appendChild;
+  var originalCompareDocumentPosition = OriginalNode.prototype.compareDocumentPosition;
+  var originalIsEqualNode = OriginalNode.prototype.isEqualNode;
+  var originalInsertBefore = OriginalNode.prototype.insertBefore;
+  var originalRemoveChild = OriginalNode.prototype.removeChild;
+  var originalReplaceChild = OriginalNode.prototype.replaceChild;
+  var isIEOrEdge = /Trident|Edge/.test(navigator.userAgent);
+  var removeChildOriginalHelper = isIEOrEdge ? function(parent, child) {
+    try {
+      originalRemoveChild.call(parent, child);
+    } catch (ex) {
+      if (!(parent instanceof OriginalDocumentFragment)) throw ex;
+    }
+  } : function(parent, child) {
+    originalRemoveChild.call(parent, child);
+  };
+  Node.prototype = Object.create(EventTarget.prototype);
+  mixin(Node.prototype, {
+    appendChild: function(childWrapper) {
+      return this.insertBefore(childWrapper, null);
+    },
+    insertBefore: function(childWrapper, refWrapper) {
+      assertIsNodeWrapper(childWrapper);
+      var refNode;
+      if (refWrapper) {
+        if (isWrapper(refWrapper)) {
+          refNode = unwrap(refWrapper);
+        } else {
+          refNode = refWrapper;
+          refWrapper = wrap(refNode);
+        }
+      } else {
+        refWrapper = null;
+        refNode = null;
+      }
+      refWrapper && assert(refWrapper.parentNode === this);
+      var nodes;
+      var previousNode = refWrapper ? refWrapper.previousSibling : this.lastChild;
+      var useNative = !this.invalidateShadowRenderer() && !invalidateParent(childWrapper);
+      if (useNative) nodes = collectNodesNative(childWrapper); else nodes = collectNodes(childWrapper, this, previousNode, refWrapper);
+      if (useNative) {
+        ensureSameOwnerDocument(this, childWrapper);
+        clearChildNodes(this);
+        originalInsertBefore.call(unsafeUnwrap(this), unwrap(childWrapper), refNode);
+      } else {
+        if (!previousNode) this.firstChild_ = nodes[0];
+        if (!refWrapper) {
+          this.lastChild_ = nodes[nodes.length - 1];
+          if (this.firstChild_ === undefined) this.firstChild_ = this.firstChild;
+        }
+        var parentNode = refNode ? refNode.parentNode : unsafeUnwrap(this);
+        if (parentNode) {
+          originalInsertBefore.call(parentNode, unwrapNodesForInsertion(this, nodes), refNode);
+        } else {
+          adoptNodesIfNeeded(this, nodes);
+        }
+      }
+      enqueueMutation(this, "childList", {
+        addedNodes: nodes,
+        nextSibling: refWrapper,
+        previousSibling: previousNode
+      });
+      nodesWereAdded(nodes, this);
+      return childWrapper;
+    },
+    removeChild: function(childWrapper) {
+      assertIsNodeWrapper(childWrapper);
+      if (childWrapper.parentNode !== this) {
+        var found = false;
+        var childNodes = this.childNodes;
+        for (var ieChild = this.firstChild; ieChild; ieChild = ieChild.nextSibling) {
+          if (ieChild === childWrapper) {
+            found = true;
+            break;
+          }
+        }
+        if (!found) {
+          throw new Error("NotFoundError");
+        }
+      }
+      var childNode = unwrap(childWrapper);
+      var childWrapperNextSibling = childWrapper.nextSibling;
+      var childWrapperPreviousSibling = childWrapper.previousSibling;
+      if (this.invalidateShadowRenderer()) {
+        var thisFirstChild = this.firstChild;
+        var thisLastChild = this.lastChild;
+        var parentNode = childNode.parentNode;
+        if (parentNode) removeChildOriginalHelper(parentNode, childNode);
+        if (thisFirstChild === childWrapper) this.firstChild_ = childWrapperNextSibling;
+        if (thisLastChild === childWrapper) this.lastChild_ = childWrapperPreviousSibling;
+        if (childWrapperPreviousSibling) childWrapperPreviousSibling.nextSibling_ = childWrapperNextSibling;
+        if (childWrapperNextSibling) {
+          childWrapperNextSibling.previousSibling_ = childWrapperPreviousSibling;
+        }
+        childWrapper.previousSibling_ = childWrapper.nextSibling_ = childWrapper.parentNode_ = undefined;
+      } else {
+        clearChildNodes(this);
+        removeChildOriginalHelper(unsafeUnwrap(this), childNode);
+      }
+      if (!surpressMutations) {
+        enqueueMutation(this, "childList", {
+          removedNodes: createOneElementNodeList(childWrapper),
+          nextSibling: childWrapperNextSibling,
+          previousSibling: childWrapperPreviousSibling
+        });
+      }
+      registerTransientObservers(this, childWrapper);
+      return childWrapper;
+    },
+    replaceChild: function(newChildWrapper, oldChildWrapper) {
+      assertIsNodeWrapper(newChildWrapper);
+      var oldChildNode;
+      if (isWrapper(oldChildWrapper)) {
+        oldChildNode = unwrap(oldChildWrapper);
+      } else {
+        oldChildNode = oldChildWrapper;
+        oldChildWrapper = wrap(oldChildNode);
+      }
+      if (oldChildWrapper.parentNode !== this) {
+        throw new Error("NotFoundError");
+      }
+      var nextNode = oldChildWrapper.nextSibling;
+      var previousNode = oldChildWrapper.previousSibling;
+      var nodes;
+      var useNative = !this.invalidateShadowRenderer() && !invalidateParent(newChildWrapper);
+      if (useNative) {
+        nodes = collectNodesNative(newChildWrapper);
+      } else {
+        if (nextNode === newChildWrapper) nextNode = newChildWrapper.nextSibling;
+        nodes = collectNodes(newChildWrapper, this, previousNode, nextNode);
+      }
+      if (!useNative) {
+        if (this.firstChild === oldChildWrapper) this.firstChild_ = nodes[0];
+        if (this.lastChild === oldChildWrapper) this.lastChild_ = nodes[nodes.length - 1];
+        oldChildWrapper.previousSibling_ = oldChildWrapper.nextSibling_ = oldChildWrapper.parentNode_ = undefined;
+        if (oldChildNode.parentNode) {
+          originalReplaceChild.call(oldChildNode.parentNode, unwrapNodesForInsertion(this, nodes), oldChildNode);
+        }
+      } else {
+        ensureSameOwnerDocument(this, newChildWrapper);
+        clearChildNodes(this);
+        originalReplaceChild.call(unsafeUnwrap(this), unwrap(newChildWrapper), oldChildNode);
+      }
+      enqueueMutation(this, "childList", {
+        addedNodes: nodes,
+        removedNodes: createOneElementNodeList(oldChildWrapper),
+        nextSibling: nextNode,
+        previousSibling: previousNode
+      });
+      nodeWasRemoved(oldChildWrapper);
+      nodesWereAdded(nodes, this);
+      return oldChildWrapper;
+    },
+    nodeIsInserted_: function() {
+      for (var child = this.firstChild; child; child = child.nextSibling) {
+        child.nodeIsInserted_();
+      }
+    },
+    hasChildNodes: function() {
+      return this.firstChild !== null;
+    },
+    get parentNode() {
+      return this.parentNode_ !== undefined ? this.parentNode_ : wrap(unsafeUnwrap(this).parentNode);
+    },
+    get firstChild() {
+      return this.firstChild_ !== undefined ? this.firstChild_ : wrap(unsafeUnwrap(this).firstChild);
+    },
+    get lastChild() {
+      return this.lastChild_ !== undefined ? this.lastChild_ : wrap(unsafeUnwrap(this).lastChild);
+    },
+    get nextSibling() {
+      return this.nextSibling_ !== undefined ? this.nextSibling_ : wrap(unsafeUnwrap(this).nextSibling);
+    },
+    get previousSibling() {
+      return this.previousSibling_ !== undefined ? this.previousSibling_ : wrap(unsafeUnwrap(this).previousSibling);
+    },
+    get parentElement() {
+      var p = this.parentNode;
+      while (p && p.nodeType !== Node.ELEMENT_NODE) {
+        p = p.parentNode;
+      }
+      return p;
+    },
+    get textContent() {
+      var s = "";
+      for (var child = this.firstChild; child; child = child.nextSibling) {
+        if (child.nodeType != Node.COMMENT_NODE) {
+          s += child.textContent;
+        }
+      }
+      return s;
+    },
+    set textContent(textContent) {
+      if (textContent == null) textContent = "";
+      var removedNodes = snapshotNodeList(this.childNodes);
+      if (this.invalidateShadowRenderer()) {
+        removeAllChildNodes(this);
+        if (textContent !== "") {
+          var textNode = unsafeUnwrap(this).ownerDocument.createTextNode(textContent);
+          this.appendChild(textNode);
+        }
+      } else {
+        clearChildNodes(this);
+        unsafeUnwrap(this).textContent = textContent;
+      }
+      var addedNodes = snapshotNodeList(this.childNodes);
+      enqueueMutation(this, "childList", {
+        addedNodes: addedNodes,
+        removedNodes: removedNodes
+      });
+      nodesWereRemoved(removedNodes);
+      nodesWereAdded(addedNodes, this);
+    },
+    get childNodes() {
+      var wrapperList = new NodeList();
+      var i = 0;
+      for (var child = this.firstChild; child; child = child.nextSibling) {
+        wrapperList[i++] = child;
+      }
+      wrapperList.length = i;
+      return wrapperList;
+    },
+    cloneNode: function(deep) {
+      return cloneNode(this, deep);
+    },
+    contains: function(child) {
+      return contains(this, wrapIfNeeded(child));
+    },
+    compareDocumentPosition: function(otherNode) {
+      return originalCompareDocumentPosition.call(unsafeUnwrap(this), unwrapIfNeeded(otherNode));
+    },
+    isEqualNode: function(otherNode) {
+      return originalIsEqualNode.call(unsafeUnwrap(this), unwrapIfNeeded(otherNode));
+    },
+    normalize: function() {
+      var nodes = snapshotNodeList(this.childNodes);
+      var remNodes = [];
+      var s = "";
+      var modNode;
+      for (var i = 0, n; i < nodes.length; i++) {
+        n = nodes[i];
+        if (n.nodeType === Node.TEXT_NODE) {
+          if (!modNode && !n.data.length) this.removeChild(n); else if (!modNode) modNode = n; else {
+            s += n.data;
+            remNodes.push(n);
+          }
+        } else {
+          if (modNode && remNodes.length) {
+            modNode.data += s;
+            cleanupNodes(remNodes);
+          }
+          remNodes = [];
+          s = "";
+          modNode = null;
+          if (n.childNodes.length) n.normalize();
+        }
+      }
+      if (modNode && remNodes.length) {
+        modNode.data += s;
+        cleanupNodes(remNodes);
+      }
+    }
+  });
+  defineWrapGetter(Node, "ownerDocument");
+  registerWrapper(OriginalNode, Node, document.createDocumentFragment());
+  delete Node.prototype.querySelector;
+  delete Node.prototype.querySelectorAll;
+  Node.prototype = mixin(Object.create(EventTarget.prototype), Node.prototype);
+  scope.cloneNode = cloneNode;
+  scope.nodeWasAdded = nodeWasAdded;
+  scope.nodeWasRemoved = nodeWasRemoved;
+  scope.nodesWereAdded = nodesWereAdded;
+  scope.nodesWereRemoved = nodesWereRemoved;
+  scope.originalInsertBefore = originalInsertBefore;
+  scope.originalRemoveChild = originalRemoveChild;
+  scope.snapshotNodeList = snapshotNodeList;
+  scope.wrappers.Node = Node;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLCollection = scope.wrappers.HTMLCollection;
+  var NodeList = scope.wrappers.NodeList;
+  var getTreeScope = scope.getTreeScope;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var wrap = scope.wrap;
+  var originalDocumentQuerySelector = document.querySelector;
+  var originalElementQuerySelector = document.documentElement.querySelector;
+  var originalDocumentQuerySelectorAll = document.querySelectorAll;
+  var originalElementQuerySelectorAll = document.documentElement.querySelectorAll;
+  var originalDocumentGetElementsByTagName = document.getElementsByTagName;
+  var originalElementGetElementsByTagName = document.documentElement.getElementsByTagName;
+  var originalDocumentGetElementsByTagNameNS = document.getElementsByTagNameNS;
+  var originalElementGetElementsByTagNameNS = document.documentElement.getElementsByTagNameNS;
+  var OriginalElement = window.Element;
+  var OriginalDocument = window.HTMLDocument || window.Document;
+  function filterNodeList(list, index, result, deep) {
+    var wrappedItem = null;
+    var root = null;
+    for (var i = 0, length = list.length; i < length; i++) {
+      wrappedItem = wrap(list[i]);
+      if (!deep && (root = getTreeScope(wrappedItem).root)) {
+        if (root instanceof scope.wrappers.ShadowRoot) {
+          continue;
+        }
+      }
+      result[index++] = wrappedItem;
+    }
+    return index;
+  }
+  function shimSelector(selector) {
+    return String(selector).replace(/\/deep\/|::shadow|>>>/g, " ");
+  }
+  function shimMatchesSelector(selector) {
+    return String(selector).replace(/:host\(([^\s]+)\)/g, "$1").replace(/([^\s]):host/g, "$1").replace(":host", "*").replace(/\^|\/shadow\/|\/shadow-deep\/|::shadow|\/deep\/|::content|>>>/g, " ");
+  }
+  function findOne(node, selector) {
+    var m, el = node.firstElementChild;
+    while (el) {
+      if (el.matches(selector)) return el;
+      m = findOne(el, selector);
+      if (m) return m;
+      el = el.nextElementSibling;
+    }
+    return null;
+  }
+  function matchesSelector(el, selector) {
+    return el.matches(selector);
+  }
+  var XHTML_NS = "http://www.w3.org/1999/xhtml";
+  function matchesTagName(el, localName, localNameLowerCase) {
+    var ln = el.localName;
+    return ln === localName || ln === localNameLowerCase && el.namespaceURI === XHTML_NS;
+  }
+  function matchesEveryThing() {
+    return true;
+  }
+  function matchesLocalNameOnly(el, ns, localName) {
+    return el.localName === localName;
+  }
+  function matchesNameSpace(el, ns) {
+    return el.namespaceURI === ns;
+  }
+  function matchesLocalNameNS(el, ns, localName) {
+    return el.namespaceURI === ns && el.localName === localName;
+  }
+  function findElements(node, index, result, p, arg0, arg1) {
+    var el = node.firstElementChild;
+    while (el) {
+      if (p(el, arg0, arg1)) result[index++] = el;
+      index = findElements(el, index, result, p, arg0, arg1);
+      el = el.nextElementSibling;
+    }
+    return index;
+  }
+  function querySelectorAllFiltered(p, index, result, selector, deep) {
+    var target = unsafeUnwrap(this);
+    var list;
+    var root = getTreeScope(this).root;
+    if (root instanceof scope.wrappers.ShadowRoot) {
+      return findElements(this, index, result, p, selector, null);
+    } else if (target instanceof OriginalElement) {
+      list = originalElementQuerySelectorAll.call(target, selector);
+    } else if (target instanceof OriginalDocument) {
+      list = originalDocumentQuerySelectorAll.call(target, selector);
+    } else {
+      return findElements(this, index, result, p, selector, null);
+    }
+    return filterNodeList(list, index, result, deep);
+  }
+  var SelectorsInterface = {
+    querySelector: function(selector) {
+      var shimmed = shimSelector(selector);
+      var deep = shimmed !== selector;
+      selector = shimmed;
+      var target = unsafeUnwrap(this);
+      var wrappedItem;
+      var root = getTreeScope(this).root;
+      if (root instanceof scope.wrappers.ShadowRoot) {
+        return findOne(this, selector);
+      } else if (target instanceof OriginalElement) {
+        wrappedItem = wrap(originalElementQuerySelector.call(target, selector));
+      } else if (target instanceof OriginalDocument) {
+        wrappedItem = wrap(originalDocumentQuerySelector.call(target, selector));
+      } else {
+        return findOne(this, selector);
+      }
+      if (!wrappedItem) {
+        return wrappedItem;
+      } else if (!deep && (root = getTreeScope(wrappedItem).root)) {
+        if (root instanceof scope.wrappers.ShadowRoot) {
+          return findOne(this, selector);
+        }
+      }
+      return wrappedItem;
+    },
+    querySelectorAll: function(selector) {
+      var shimmed = shimSelector(selector);
+      var deep = shimmed !== selector;
+      selector = shimmed;
+      var result = new NodeList();
+      result.length = querySelectorAllFiltered.call(this, matchesSelector, 0, result, selector, deep);
+      return result;
+    }
+  };
+  var MatchesInterface = {
+    matches: function(selector) {
+      selector = shimMatchesSelector(selector);
+      return scope.originalMatches.call(unsafeUnwrap(this), selector);
+    }
+  };
+  function getElementsByTagNameFiltered(p, index, result, localName, lowercase) {
+    var target = unsafeUnwrap(this);
+    var list;
+    var root = getTreeScope(this).root;
+    if (root instanceof scope.wrappers.ShadowRoot) {
+      return findElements(this, index, result, p, localName, lowercase);
+    } else if (target instanceof OriginalElement) {
+      list = originalElementGetElementsByTagName.call(target, localName, lowercase);
+    } else if (target instanceof OriginalDocument) {
+      list = originalDocumentGetElementsByTagName.call(target, localName, lowercase);
+    } else {
+      return findElements(this, index, result, p, localName, lowercase);
+    }
+    return filterNodeList(list, index, result, false);
+  }
+  function getElementsByTagNameNSFiltered(p, index, result, ns, localName) {
+    var target = unsafeUnwrap(this);
+    var list;
+    var root = getTreeScope(this).root;
+    if (root instanceof scope.wrappers.ShadowRoot) {
+      return findElements(this, index, result, p, ns, localName);
+    } else if (target instanceof OriginalElement) {
+      list = originalElementGetElementsByTagNameNS.call(target, ns, localName);
+    } else if (target instanceof OriginalDocument) {
+      list = originalDocumentGetElementsByTagNameNS.call(target, ns, localName);
+    } else {
+      return findElements(this, index, result, p, ns, localName);
+    }
+    return filterNodeList(list, index, result, false);
+  }
+  var GetElementsByInterface = {
+    getElementsByTagName: function(localName) {
+      var result = new HTMLCollection();
+      var match = localName === "*" ? matchesEveryThing : matchesTagName;
+      result.length = getElementsByTagNameFiltered.call(this, match, 0, result, localName, localName.toLowerCase());
+      return result;
+    },
+    getElementsByClassName: function(className) {
+      return this.querySelectorAll("." + className);
+    },
+    getElementsByTagNameNS: function(ns, localName) {
+      var result = new HTMLCollection();
+      var match = null;
+      if (ns === "*") {
+        match = localName === "*" ? matchesEveryThing : matchesLocalNameOnly;
+      } else {
+        match = localName === "*" ? matchesNameSpace : matchesLocalNameNS;
+      }
+      result.length = getElementsByTagNameNSFiltered.call(this, match, 0, result, ns || null, localName);
+      return result;
+    }
+  };
+  scope.GetElementsByInterface = GetElementsByInterface;
+  scope.SelectorsInterface = SelectorsInterface;
+  scope.MatchesInterface = MatchesInterface;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var NodeList = scope.wrappers.NodeList;
+  function forwardElement(node) {
+    while (node && node.nodeType !== Node.ELEMENT_NODE) {
+      node = node.nextSibling;
+    }
+    return node;
+  }
+  function backwardsElement(node) {
+    while (node && node.nodeType !== Node.ELEMENT_NODE) {
+      node = node.previousSibling;
+    }
+    return node;
+  }
+  var ParentNodeInterface = {
+    get firstElementChild() {
+      return forwardElement(this.firstChild);
+    },
+    get lastElementChild() {
+      return backwardsElement(this.lastChild);
+    },
+    get childElementCount() {
+      var count = 0;
+      for (var child = this.firstElementChild; child; child = child.nextElementSibling) {
+        count++;
+      }
+      return count;
+    },
+    get children() {
+      var wrapperList = new NodeList();
+      var i = 0;
+      for (var child = this.firstElementChild; child; child = child.nextElementSibling) {
+        wrapperList[i++] = child;
+      }
+      wrapperList.length = i;
+      return wrapperList;
+    },
+    remove: function() {
+      var p = this.parentNode;
+      if (p) p.removeChild(this);
+    }
+  };
+  var ChildNodeInterface = {
+    get nextElementSibling() {
+      return forwardElement(this.nextSibling);
+    },
+    get previousElementSibling() {
+      return backwardsElement(this.previousSibling);
+    }
+  };
+  var NonElementParentNodeInterface = {
+    getElementById: function(id) {
+      if (/[ \t\n\r\f]/.test(id)) return null;
+      return this.querySelector('[id="' + id + '"]');
+    }
+  };
+  scope.ChildNodeInterface = ChildNodeInterface;
+  scope.NonElementParentNodeInterface = NonElementParentNodeInterface;
+  scope.ParentNodeInterface = ParentNodeInterface;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var ChildNodeInterface = scope.ChildNodeInterface;
+  var Node = scope.wrappers.Node;
+  var enqueueMutation = scope.enqueueMutation;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var OriginalCharacterData = window.CharacterData;
+  function CharacterData(node) {
+    Node.call(this, node);
+  }
+  CharacterData.prototype = Object.create(Node.prototype);
+  mixin(CharacterData.prototype, {
+    get nodeValue() {
+      return this.data;
+    },
+    set nodeValue(data) {
+      this.data = data;
+    },
+    get textContent() {
+      return this.data;
+    },
+    set textContent(value) {
+      this.data = value;
+    },
+    get data() {
+      return unsafeUnwrap(this).data;
+    },
+    set data(value) {
+      var oldValue = unsafeUnwrap(this).data;
+      enqueueMutation(this, "characterData", {
+        oldValue: oldValue
+      });
+      unsafeUnwrap(this).data = value;
+    }
+  });
+  mixin(CharacterData.prototype, ChildNodeInterface);
+  registerWrapper(OriginalCharacterData, CharacterData, document.createTextNode(""));
+  scope.wrappers.CharacterData = CharacterData;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var CharacterData = scope.wrappers.CharacterData;
+  var enqueueMutation = scope.enqueueMutation;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  function toUInt32(x) {
+    return x >>> 0;
+  }
+  var OriginalText = window.Text;
+  function Text(node) {
+    CharacterData.call(this, node);
+  }
+  Text.prototype = Object.create(CharacterData.prototype);
+  mixin(Text.prototype, {
+    splitText: function(offset) {
+      offset = toUInt32(offset);
+      var s = this.data;
+      if (offset > s.length) throw new Error("IndexSizeError");
+      var head = s.slice(0, offset);
+      var tail = s.slice(offset);
+      this.data = head;
+      var newTextNode = this.ownerDocument.createTextNode(tail);
+      if (this.parentNode) this.parentNode.insertBefore(newTextNode, this.nextSibling);
+      return newTextNode;
+    }
+  });
+  registerWrapper(OriginalText, Text, document.createTextNode(""));
+  scope.wrappers.Text = Text;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  if (!window.DOMTokenList) {
+    console.warn("Missing DOMTokenList prototype, please include a " + "compatible classList polyfill such as http://goo.gl/uTcepH.");
+    return;
+  }
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var enqueueMutation = scope.enqueueMutation;
+  function getClass(el) {
+    return unsafeUnwrap(el).getAttribute("class");
+  }
+  function enqueueClassAttributeChange(el, oldValue) {
+    enqueueMutation(el, "attributes", {
+      name: "class",
+      namespace: null,
+      oldValue: oldValue
+    });
+  }
+  function invalidateClass(el) {
+    scope.invalidateRendererBasedOnAttribute(el, "class");
+  }
+  function changeClass(tokenList, method, args) {
+    var ownerElement = tokenList.ownerElement_;
+    if (ownerElement == null) {
+      return method.apply(tokenList, args);
+    }
+    var oldValue = getClass(ownerElement);
+    var retv = method.apply(tokenList, args);
+    if (getClass(ownerElement) !== oldValue) {
+      enqueueClassAttributeChange(ownerElement, oldValue);
+      invalidateClass(ownerElement);
+    }
+    return retv;
+  }
+  var oldAdd = DOMTokenList.prototype.add;
+  DOMTokenList.prototype.add = function() {
+    changeClass(this, oldAdd, arguments);
+  };
+  var oldRemove = DOMTokenList.prototype.remove;
+  DOMTokenList.prototype.remove = function() {
+    changeClass(this, oldRemove, arguments);
+  };
+  var oldToggle = DOMTokenList.prototype.toggle;
+  DOMTokenList.prototype.toggle = function() {
+    return changeClass(this, oldToggle, arguments);
+  };
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var ChildNodeInterface = scope.ChildNodeInterface;
+  var GetElementsByInterface = scope.GetElementsByInterface;
+  var Node = scope.wrappers.Node;
+  var ParentNodeInterface = scope.ParentNodeInterface;
+  var SelectorsInterface = scope.SelectorsInterface;
+  var MatchesInterface = scope.MatchesInterface;
+  var addWrapNodeListMethod = scope.addWrapNodeListMethod;
+  var enqueueMutation = scope.enqueueMutation;
+  var mixin = scope.mixin;
+  var oneOf = scope.oneOf;
+  var registerWrapper = scope.registerWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var wrappers = scope.wrappers;
+  var OriginalElement = window.Element;
+  var matchesNames = [ "matches", "mozMatchesSelector", "msMatchesSelector", "webkitMatchesSelector" ].filter(function(name) {
+    return OriginalElement.prototype[name];
+  });
+  var matchesName = matchesNames[0];
+  var originalMatches = OriginalElement.prototype[matchesName];
+  function invalidateRendererBasedOnAttribute(element, name) {
+    var p = element.parentNode;
+    if (!p || !p.shadowRoot) return;
+    var renderer = scope.getRendererForHost(p);
+    if (renderer.dependsOnAttribute(name)) renderer.invalidate();
+  }
+  function enqueAttributeChange(element, name, oldValue) {
+    enqueueMutation(element, "attributes", {
+      name: name,
+      namespace: null,
+      oldValue: oldValue
+    });
+  }
+  var classListTable = new WeakMap();
+  function Element(node) {
+    Node.call(this, node);
+  }
+  Element.prototype = Object.create(Node.prototype);
+  mixin(Element.prototype, {
+    createShadowRoot: function() {
+      var newShadowRoot = new wrappers.ShadowRoot(this);
+      unsafeUnwrap(this).polymerShadowRoot_ = newShadowRoot;
+      var renderer = scope.getRendererForHost(this);
+      renderer.invalidate();
+      return newShadowRoot;
+    },
+    get shadowRoot() {
+      return unsafeUnwrap(this).polymerShadowRoot_ || null;
+    },
+    setAttribute: function(name, value) {
+      var oldValue = unsafeUnwrap(this).getAttribute(name);
+      unsafeUnwrap(this).setAttribute(name, value);
+      enqueAttributeChange(this, name, oldValue);
+      invalidateRendererBasedOnAttribute(this, name);
+    },
+    removeAttribute: function(name) {
+      var oldValue = unsafeUnwrap(this).getAttribute(name);
+      unsafeUnwrap(this).removeAttribute(name);
+      enqueAttributeChange(this, name, oldValue);
+      invalidateRendererBasedOnAttribute(this, name);
+    },
+    get classList() {
+      var list = classListTable.get(this);
+      if (!list) {
+        list = unsafeUnwrap(this).classList;
+        if (!list) return;
+        list.ownerElement_ = this;
+        classListTable.set(this, list);
+      }
+      return list;
+    },
+    get className() {
+      return unsafeUnwrap(this).className;
+    },
+    set className(v) {
+      this.setAttribute("class", v);
+    },
+    get id() {
+      return unsafeUnwrap(this).id;
+    },
+    set id(v) {
+      this.setAttribute("id", v);
+    }
+  });
+  matchesNames.forEach(function(name) {
+    if (name !== "matches") {
+      Element.prototype[name] = function(selector) {
+        return this.matches(selector);
+      };
+    }
+  });
+  if (OriginalElement.prototype.webkitCreateShadowRoot) {
+    Element.prototype.webkitCreateShadowRoot = Element.prototype.createShadowRoot;
+  }
+  mixin(Element.prototype, ChildNodeInterface);
+  mixin(Element.prototype, GetElementsByInterface);
+  mixin(Element.prototype, ParentNodeInterface);
+  mixin(Element.prototype, SelectorsInterface);
+  mixin(Element.prototype, MatchesInterface);
+  registerWrapper(OriginalElement, Element, document.createElementNS(null, "x"));
+  scope.invalidateRendererBasedOnAttribute = invalidateRendererBasedOnAttribute;
+  scope.matchesNames = matchesNames;
+  scope.originalMatches = originalMatches;
+  scope.wrappers.Element = Element;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var Element = scope.wrappers.Element;
+  var defineGetter = scope.defineGetter;
+  var enqueueMutation = scope.enqueueMutation;
+  var mixin = scope.mixin;
+  var nodesWereAdded = scope.nodesWereAdded;
+  var nodesWereRemoved = scope.nodesWereRemoved;
+  var registerWrapper = scope.registerWrapper;
+  var snapshotNodeList = scope.snapshotNodeList;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var wrappers = scope.wrappers;
+  var escapeAttrRegExp = /[&\u00A0"]/g;
+  var escapeDataRegExp = /[&\u00A0<>]/g;
+  function escapeReplace(c) {
+    switch (c) {
+     case "&":
+      return "&amp;";
+
+     case "<":
+      return "&lt;";
+
+     case ">":
+      return "&gt;";
+
+     case '"':
+      return "&quot;";
+
+     case " ":
+      return "&nbsp;";
+    }
+  }
+  function escapeAttr(s) {
+    return s.replace(escapeAttrRegExp, escapeReplace);
+  }
+  function escapeData(s) {
+    return s.replace(escapeDataRegExp, escapeReplace);
+  }
+  function makeSet(arr) {
+    var set = {};
+    for (var i = 0; i < arr.length; i++) {
+      set[arr[i]] = true;
+    }
+    return set;
+  }
+  var voidElements = makeSet([ "area", "base", "br", "col", "command", "embed", "hr", "img", "input", "keygen", "link", "meta", "param", "source", "track", "wbr" ]);
+  var plaintextParents = makeSet([ "style", "script", "xmp", "iframe", "noembed", "noframes", "plaintext", "noscript" ]);
+  var XHTML_NS = "http://www.w3.org/1999/xhtml";
+  function needsSelfClosingSlash(node) {
+    if (node.namespaceURI !== XHTML_NS) return true;
+    var doctype = node.ownerDocument.doctype;
+    return doctype && doctype.publicId && doctype.systemId;
+  }
+  function getOuterHTML(node, parentNode) {
+    switch (node.nodeType) {
+     case Node.ELEMENT_NODE:
+      var tagName = node.tagName.toLowerCase();
+      var s = "<" + tagName;
+      var attrs = node.attributes;
+      for (var i = 0, attr; attr = attrs[i]; i++) {
+        s += " " + attr.name + '="' + escapeAttr(attr.value) + '"';
+      }
+      if (voidElements[tagName]) {
+        if (needsSelfClosingSlash(node)) s += "/";
+        return s + ">";
+      }
+      return s + ">" + getInnerHTML(node) + "</" + tagName + ">";
+
+     case Node.TEXT_NODE:
+      var data = node.data;
+      if (parentNode && plaintextParents[parentNode.localName]) return data;
+      return escapeData(data);
+
+     case Node.COMMENT_NODE:
+      return "<!--" + node.data + "-->";
+
+     default:
+      console.error(node);
+      throw new Error("not implemented");
+    }
+  }
+  function getInnerHTML(node) {
+    if (node instanceof wrappers.HTMLTemplateElement) node = node.content;
+    var s = "";
+    for (var child = node.firstChild; child; child = child.nextSibling) {
+      s += getOuterHTML(child, node);
+    }
+    return s;
+  }
+  function setInnerHTML(node, value, opt_tagName) {
+    var tagName = opt_tagName || "div";
+    node.textContent = "";
+    var tempElement = unwrap(node.ownerDocument.createElement(tagName));
+    tempElement.innerHTML = value;
+    var firstChild;
+    while (firstChild = tempElement.firstChild) {
+      node.appendChild(wrap(firstChild));
+    }
+  }
+  var oldIe = /MSIE/.test(navigator.userAgent);
+  var OriginalHTMLElement = window.HTMLElement;
+  var OriginalHTMLTemplateElement = window.HTMLTemplateElement;
+  function HTMLElement(node) {
+    Element.call(this, node);
+  }
+  HTMLElement.prototype = Object.create(Element.prototype);
+  mixin(HTMLElement.prototype, {
+    get innerHTML() {
+      return getInnerHTML(this);
+    },
+    set innerHTML(value) {
+      if (oldIe && plaintextParents[this.localName]) {
+        this.textContent = value;
+        return;
+      }
+      var removedNodes = snapshotNodeList(this.childNodes);
+      if (this.invalidateShadowRenderer()) {
+        if (this instanceof wrappers.HTMLTemplateElement) setInnerHTML(this.content, value); else setInnerHTML(this, value, this.tagName);
+      } else if (!OriginalHTMLTemplateElement && this instanceof wrappers.HTMLTemplateElement) {
+        setInnerHTML(this.content, value);
+      } else {
+        unsafeUnwrap(this).innerHTML = value;
+      }
+      var addedNodes = snapshotNodeList(this.childNodes);
+      enqueueMutation(this, "childList", {
+        addedNodes: addedNodes,
+        removedNodes: removedNodes
+      });
+      nodesWereRemoved(removedNodes);
+      nodesWereAdded(addedNodes, this);
+    },
+    get outerHTML() {
+      return getOuterHTML(this, this.parentNode);
+    },
+    set outerHTML(value) {
+      var p = this.parentNode;
+      if (p) {
+        p.invalidateShadowRenderer();
+        var df = frag(p, value);
+        p.replaceChild(df, this);
+      }
+    },
+    insertAdjacentHTML: function(position, text) {
+      var contextElement, refNode;
+      switch (String(position).toLowerCase()) {
+       case "beforebegin":
+        contextElement = this.parentNode;
+        refNode = this;
+        break;
+
+       case "afterend":
+        contextElement = this.parentNode;
+        refNode = this.nextSibling;
+        break;
+
+       case "afterbegin":
+        contextElement = this;
+        refNode = this.firstChild;
+        break;
+
+       case "beforeend":
+        contextElement = this;
+        refNode = null;
+        break;
+
+       default:
+        return;
+      }
+      var df = frag(contextElement, text);
+      contextElement.insertBefore(df, refNode);
+    },
+    get hidden() {
+      return this.hasAttribute("hidden");
+    },
+    set hidden(v) {
+      if (v) {
+        this.setAttribute("hidden", "");
+      } else {
+        this.removeAttribute("hidden");
+      }
+    }
+  });
+  function frag(contextElement, html) {
+    var p = unwrap(contextElement.cloneNode(false));
+    p.innerHTML = html;
+    var df = unwrap(document.createDocumentFragment());
+    var c;
+    while (c = p.firstChild) {
+      df.appendChild(c);
+    }
+    return wrap(df);
+  }
+  function getter(name) {
+    return function() {
+      scope.renderAllPending();
+      return unsafeUnwrap(this)[name];
+    };
+  }
+  function getterRequiresRendering(name) {
+    defineGetter(HTMLElement, name, getter(name));
+  }
+  [ "clientHeight", "clientLeft", "clientTop", "clientWidth", "offsetHeight", "offsetLeft", "offsetTop", "offsetWidth", "scrollHeight", "scrollWidth" ].forEach(getterRequiresRendering);
+  function getterAndSetterRequiresRendering(name) {
+    Object.defineProperty(HTMLElement.prototype, name, {
+      get: getter(name),
+      set: function(v) {
+        scope.renderAllPending();
+        unsafeUnwrap(this)[name] = v;
+      },
+      configurable: true,
+      enumerable: true
+    });
+  }
+  [ "scrollLeft", "scrollTop" ].forEach(getterAndSetterRequiresRendering);
+  function methodRequiresRendering(name) {
+    Object.defineProperty(HTMLElement.prototype, name, {
+      value: function() {
+        scope.renderAllPending();
+        return unsafeUnwrap(this)[name].apply(unsafeUnwrap(this), arguments);
+      },
+      configurable: true,
+      enumerable: true
+    });
+  }
+  [ "focus", "getBoundingClientRect", "getClientRects", "scrollIntoView" ].forEach(methodRequiresRendering);
+  registerWrapper(OriginalHTMLElement, HTMLElement, document.createElement("b"));
+  scope.wrappers.HTMLElement = HTMLElement;
+  scope.getInnerHTML = getInnerHTML;
+  scope.setInnerHTML = setInnerHTML;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var wrap = scope.wrap;
+  var OriginalHTMLCanvasElement = window.HTMLCanvasElement;
+  function HTMLCanvasElement(node) {
+    HTMLElement.call(this, node);
+  }
+  HTMLCanvasElement.prototype = Object.create(HTMLElement.prototype);
+  mixin(HTMLCanvasElement.prototype, {
+    getContext: function() {
+      var context = unsafeUnwrap(this).getContext.apply(unsafeUnwrap(this), arguments);
+      return context && wrap(context);
+    }
+  });
+  registerWrapper(OriginalHTMLCanvasElement, HTMLCanvasElement, document.createElement("canvas"));
+  scope.wrappers.HTMLCanvasElement = HTMLCanvasElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var OriginalHTMLContentElement = window.HTMLContentElement;
+  function HTMLContentElement(node) {
+    HTMLElement.call(this, node);
+  }
+  HTMLContentElement.prototype = Object.create(HTMLElement.prototype);
+  mixin(HTMLContentElement.prototype, {
+    constructor: HTMLContentElement,
+    get select() {
+      return this.getAttribute("select");
+    },
+    set select(value) {
+      this.setAttribute("select", value);
+    },
+    setAttribute: function(n, v) {
+      HTMLElement.prototype.setAttribute.call(this, n, v);
+      if (String(n).toLowerCase() === "select") this.invalidateShadowRenderer(true);
+    }
+  });
+  if (OriginalHTMLContentElement) registerWrapper(OriginalHTMLContentElement, HTMLContentElement);
+  scope.wrappers.HTMLContentElement = HTMLContentElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var wrapHTMLCollection = scope.wrapHTMLCollection;
+  var unwrap = scope.unwrap;
+  var OriginalHTMLFormElement = window.HTMLFormElement;
+  function HTMLFormElement(node) {
+    HTMLElement.call(this, node);
+  }
+  HTMLFormElement.prototype = Object.create(HTMLElement.prototype);
+  mixin(HTMLFormElement.prototype, {
+    get elements() {
+      return wrapHTMLCollection(unwrap(this).elements);
+    }
+  });
+  registerWrapper(OriginalHTMLFormElement, HTMLFormElement, document.createElement("form"));
+  scope.wrappers.HTMLFormElement = HTMLFormElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var registerWrapper = scope.registerWrapper;
+  var unwrap = scope.unwrap;
+  var rewrap = scope.rewrap;
+  var OriginalHTMLImageElement = window.HTMLImageElement;
+  function HTMLImageElement(node) {
+    HTMLElement.call(this, node);
+  }
+  HTMLImageElement.prototype = Object.create(HTMLElement.prototype);
+  registerWrapper(OriginalHTMLImageElement, HTMLImageElement, document.createElement("img"));
+  function Image(width, height) {
+    if (!(this instanceof Image)) {
+      throw new TypeError("DOM object constructor cannot be called as a function.");
+    }
+    var node = unwrap(document.createElement("img"));
+    HTMLElement.call(this, node);
+    rewrap(node, this);
+    if (width !== undefined) node.width = width;
+    if (height !== undefined) node.height = height;
+  }
+  Image.prototype = HTMLImageElement.prototype;
+  scope.wrappers.HTMLImageElement = HTMLImageElement;
+  scope.wrappers.Image = Image;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var mixin = scope.mixin;
+  var NodeList = scope.wrappers.NodeList;
+  var registerWrapper = scope.registerWrapper;
+  var OriginalHTMLShadowElement = window.HTMLShadowElement;
+  function HTMLShadowElement(node) {
+    HTMLElement.call(this, node);
+  }
+  HTMLShadowElement.prototype = Object.create(HTMLElement.prototype);
+  HTMLShadowElement.prototype.constructor = HTMLShadowElement;
+  if (OriginalHTMLShadowElement) registerWrapper(OriginalHTMLShadowElement, HTMLShadowElement);
+  scope.wrappers.HTMLShadowElement = HTMLShadowElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var contentTable = new WeakMap();
+  var templateContentsOwnerTable = new WeakMap();
+  function getTemplateContentsOwner(doc) {
+    if (!doc.defaultView) return doc;
+    var d = templateContentsOwnerTable.get(doc);
+    if (!d) {
+      d = doc.implementation.createHTMLDocument("");
+      while (d.lastChild) {
+        d.removeChild(d.lastChild);
+      }
+      templateContentsOwnerTable.set(doc, d);
+    }
+    return d;
+  }
+  function extractContent(templateElement) {
+    var doc = getTemplateContentsOwner(templateElement.ownerDocument);
+    var df = unwrap(doc.createDocumentFragment());
+    var child;
+    while (child = templateElement.firstChild) {
+      df.appendChild(child);
+    }
+    return df;
+  }
+  var OriginalHTMLTemplateElement = window.HTMLTemplateElement;
+  function HTMLTemplateElement(node) {
+    HTMLElement.call(this, node);
+    if (!OriginalHTMLTemplateElement) {
+      var content = extractContent(node);
+      contentTable.set(this, wrap(content));
+    }
+  }
+  HTMLTemplateElement.prototype = Object.create(HTMLElement.prototype);
+  mixin(HTMLTemplateElement.prototype, {
+    constructor: HTMLTemplateElement,
+    get content() {
+      if (OriginalHTMLTemplateElement) return wrap(unsafeUnwrap(this).content);
+      return contentTable.get(this);
+    }
+  });
+  if (OriginalHTMLTemplateElement) registerWrapper(OriginalHTMLTemplateElement, HTMLTemplateElement);
+  scope.wrappers.HTMLTemplateElement = HTMLTemplateElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var registerWrapper = scope.registerWrapper;
+  var OriginalHTMLMediaElement = window.HTMLMediaElement;
+  if (!OriginalHTMLMediaElement) return;
+  function HTMLMediaElement(node) {
+    HTMLElement.call(this, node);
+  }
+  HTMLMediaElement.prototype = Object.create(HTMLElement.prototype);
+  registerWrapper(OriginalHTMLMediaElement, HTMLMediaElement, document.createElement("audio"));
+  scope.wrappers.HTMLMediaElement = HTMLMediaElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLMediaElement = scope.wrappers.HTMLMediaElement;
+  var registerWrapper = scope.registerWrapper;
+  var unwrap = scope.unwrap;
+  var rewrap = scope.rewrap;
+  var OriginalHTMLAudioElement = window.HTMLAudioElement;
+  if (!OriginalHTMLAudioElement) return;
+  function HTMLAudioElement(node) {
+    HTMLMediaElement.call(this, node);
+  }
+  HTMLAudioElement.prototype = Object.create(HTMLMediaElement.prototype);
+  registerWrapper(OriginalHTMLAudioElement, HTMLAudioElement, document.createElement("audio"));
+  function Audio(src) {
+    if (!(this instanceof Audio)) {
+      throw new TypeError("DOM object constructor cannot be called as a function.");
+    }
+    var node = unwrap(document.createElement("audio"));
+    HTMLMediaElement.call(this, node);
+    rewrap(node, this);
+    node.setAttribute("preload", "auto");
+    if (src !== undefined) node.setAttribute("src", src);
+  }
+  Audio.prototype = HTMLAudioElement.prototype;
+  scope.wrappers.HTMLAudioElement = HTMLAudioElement;
+  scope.wrappers.Audio = Audio;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var rewrap = scope.rewrap;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var OriginalHTMLOptionElement = window.HTMLOptionElement;
+  function trimText(s) {
+    return s.replace(/\s+/g, " ").trim();
+  }
+  function HTMLOptionElement(node) {
+    HTMLElement.call(this, node);
+  }
+  HTMLOptionElement.prototype = Object.create(HTMLElement.prototype);
+  mixin(HTMLOptionElement.prototype, {
+    get text() {
+      return trimText(this.textContent);
+    },
+    set text(value) {
+      this.textContent = trimText(String(value));
+    },
+    get form() {
+      return wrap(unwrap(this).form);
+    }
+  });
+  registerWrapper(OriginalHTMLOptionElement, HTMLOptionElement, document.createElement("option"));
+  function Option(text, value, defaultSelected, selected) {
+    if (!(this instanceof Option)) {
+      throw new TypeError("DOM object constructor cannot be called as a function.");
+    }
+    var node = unwrap(document.createElement("option"));
+    HTMLElement.call(this, node);
+    rewrap(node, this);
+    if (text !== undefined) node.text = text;
+    if (value !== undefined) node.setAttribute("value", value);
+    if (defaultSelected === true) node.setAttribute("selected", "");
+    node.selected = selected === true;
+  }
+  Option.prototype = HTMLOptionElement.prototype;
+  scope.wrappers.HTMLOptionElement = HTMLOptionElement;
+  scope.wrappers.Option = Option;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var OriginalHTMLSelectElement = window.HTMLSelectElement;
+  function HTMLSelectElement(node) {
+    HTMLElement.call(this, node);
+  }
+  HTMLSelectElement.prototype = Object.create(HTMLElement.prototype);
+  mixin(HTMLSelectElement.prototype, {
+    add: function(element, before) {
+      if (typeof before === "object") before = unwrap(before);
+      unwrap(this).add(unwrap(element), before);
+    },
+    remove: function(indexOrNode) {
+      if (indexOrNode === undefined) {
+        HTMLElement.prototype.remove.call(this);
+        return;
+      }
+      if (typeof indexOrNode === "object") indexOrNode = unwrap(indexOrNode);
+      unwrap(this).remove(indexOrNode);
+    },
+    get form() {
+      return wrap(unwrap(this).form);
+    }
+  });
+  registerWrapper(OriginalHTMLSelectElement, HTMLSelectElement, document.createElement("select"));
+  scope.wrappers.HTMLSelectElement = HTMLSelectElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var wrapHTMLCollection = scope.wrapHTMLCollection;
+  var OriginalHTMLTableElement = window.HTMLTableElement;
+  function HTMLTableElement(node) {
+    HTMLElement.call(this, node);
+  }
+  HTMLTableElement.prototype = Object.create(HTMLElement.prototype);
+  mixin(HTMLTableElement.prototype, {
+    get caption() {
+      return wrap(unwrap(this).caption);
+    },
+    createCaption: function() {
+      return wrap(unwrap(this).createCaption());
+    },
+    get tHead() {
+      return wrap(unwrap(this).tHead);
+    },
+    createTHead: function() {
+      return wrap(unwrap(this).createTHead());
+    },
+    createTFoot: function() {
+      return wrap(unwrap(this).createTFoot());
+    },
+    get tFoot() {
+      return wrap(unwrap(this).tFoot);
+    },
+    get tBodies() {
+      return wrapHTMLCollection(unwrap(this).tBodies);
+    },
+    createTBody: function() {
+      return wrap(unwrap(this).createTBody());
+    },
+    get rows() {
+      return wrapHTMLCollection(unwrap(this).rows);
+    },
+    insertRow: function(index) {
+      return wrap(unwrap(this).insertRow(index));
+    }
+  });
+  registerWrapper(OriginalHTMLTableElement, HTMLTableElement, document.createElement("table"));
+  scope.wrappers.HTMLTableElement = HTMLTableElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var wrapHTMLCollection = scope.wrapHTMLCollection;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var OriginalHTMLTableSectionElement = window.HTMLTableSectionElement;
+  function HTMLTableSectionElement(node) {
+    HTMLElement.call(this, node);
+  }
+  HTMLTableSectionElement.prototype = Object.create(HTMLElement.prototype);
+  mixin(HTMLTableSectionElement.prototype, {
+    constructor: HTMLTableSectionElement,
+    get rows() {
+      return wrapHTMLCollection(unwrap(this).rows);
+    },
+    insertRow: function(index) {
+      return wrap(unwrap(this).insertRow(index));
+    }
+  });
+  registerWrapper(OriginalHTMLTableSectionElement, HTMLTableSectionElement, document.createElement("thead"));
+  scope.wrappers.HTMLTableSectionElement = HTMLTableSectionElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var wrapHTMLCollection = scope.wrapHTMLCollection;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var OriginalHTMLTableRowElement = window.HTMLTableRowElement;
+  function HTMLTableRowElement(node) {
+    HTMLElement.call(this, node);
+  }
+  HTMLTableRowElement.prototype = Object.create(HTMLElement.prototype);
+  mixin(HTMLTableRowElement.prototype, {
+    get cells() {
+      return wrapHTMLCollection(unwrap(this).cells);
+    },
+    insertCell: function(index) {
+      return wrap(unwrap(this).insertCell(index));
+    }
+  });
+  registerWrapper(OriginalHTMLTableRowElement, HTMLTableRowElement, document.createElement("tr"));
+  scope.wrappers.HTMLTableRowElement = HTMLTableRowElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLContentElement = scope.wrappers.HTMLContentElement;
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var HTMLShadowElement = scope.wrappers.HTMLShadowElement;
+  var HTMLTemplateElement = scope.wrappers.HTMLTemplateElement;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var OriginalHTMLUnknownElement = window.HTMLUnknownElement;
+  function HTMLUnknownElement(node) {
+    switch (node.localName) {
+     case "content":
+      return new HTMLContentElement(node);
+
+     case "shadow":
+      return new HTMLShadowElement(node);
+
+     case "template":
+      return new HTMLTemplateElement(node);
+    }
+    HTMLElement.call(this, node);
+  }
+  HTMLUnknownElement.prototype = Object.create(HTMLElement.prototype);
+  registerWrapper(OriginalHTMLUnknownElement, HTMLUnknownElement);
+  scope.wrappers.HTMLUnknownElement = HTMLUnknownElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var Element = scope.wrappers.Element;
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var registerWrapper = scope.registerWrapper;
+  var defineWrapGetter = scope.defineWrapGetter;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var wrap = scope.wrap;
+  var mixin = scope.mixin;
+  var SVG_NS = "http://www.w3.org/2000/svg";
+  var OriginalSVGElement = window.SVGElement;
+  var svgTitleElement = document.createElementNS(SVG_NS, "title");
+  if (!("classList" in svgTitleElement)) {
+    var descr = Object.getOwnPropertyDescriptor(Element.prototype, "classList");
+    Object.defineProperty(HTMLElement.prototype, "classList", descr);
+    delete Element.prototype.classList;
+  }
+  function SVGElement(node) {
+    Element.call(this, node);
+  }
+  SVGElement.prototype = Object.create(Element.prototype);
+  mixin(SVGElement.prototype, {
+    get ownerSVGElement() {
+      return wrap(unsafeUnwrap(this).ownerSVGElement);
+    }
+  });
+  registerWrapper(OriginalSVGElement, SVGElement, document.createElementNS(SVG_NS, "title"));
+  scope.wrappers.SVGElement = SVGElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var OriginalSVGUseElement = window.SVGUseElement;
+  var SVG_NS = "http://www.w3.org/2000/svg";
+  var gWrapper = wrap(document.createElementNS(SVG_NS, "g"));
+  var useElement = document.createElementNS(SVG_NS, "use");
+  var SVGGElement = gWrapper.constructor;
+  var parentInterfacePrototype = Object.getPrototypeOf(SVGGElement.prototype);
+  var parentInterface = parentInterfacePrototype.constructor;
+  function SVGUseElement(impl) {
+    parentInterface.call(this, impl);
+  }
+  SVGUseElement.prototype = Object.create(parentInterfacePrototype);
+  if ("instanceRoot" in useElement) {
+    mixin(SVGUseElement.prototype, {
+      get instanceRoot() {
+        return wrap(unwrap(this).instanceRoot);
+      },
+      get animatedInstanceRoot() {
+        return wrap(unwrap(this).animatedInstanceRoot);
+      }
+    });
+  }
+  registerWrapper(OriginalSVGUseElement, SVGUseElement, useElement);
+  scope.wrappers.SVGUseElement = SVGUseElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var EventTarget = scope.wrappers.EventTarget;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var wrap = scope.wrap;
+  var OriginalSVGElementInstance = window.SVGElementInstance;
+  if (!OriginalSVGElementInstance) return;
+  function SVGElementInstance(impl) {
+    EventTarget.call(this, impl);
+  }
+  SVGElementInstance.prototype = Object.create(EventTarget.prototype);
+  mixin(SVGElementInstance.prototype, {
+    get correspondingElement() {
+      return wrap(unsafeUnwrap(this).correspondingElement);
+    },
+    get correspondingUseElement() {
+      return wrap(unsafeUnwrap(this).correspondingUseElement);
+    },
+    get parentNode() {
+      return wrap(unsafeUnwrap(this).parentNode);
+    },
+    get childNodes() {
+      throw new Error("Not implemented");
+    },
+    get firstChild() {
+      return wrap(unsafeUnwrap(this).firstChild);
+    },
+    get lastChild() {
+      return wrap(unsafeUnwrap(this).lastChild);
+    },
+    get previousSibling() {
+      return wrap(unsafeUnwrap(this).previousSibling);
+    },
+    get nextSibling() {
+      return wrap(unsafeUnwrap(this).nextSibling);
+    }
+  });
+  registerWrapper(OriginalSVGElementInstance, SVGElementInstance);
+  scope.wrappers.SVGElementInstance = SVGElementInstance;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var setWrapper = scope.setWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrap = scope.unwrap;
+  var unwrapIfNeeded = scope.unwrapIfNeeded;
+  var wrap = scope.wrap;
+  var OriginalCanvasRenderingContext2D = window.CanvasRenderingContext2D;
+  function CanvasRenderingContext2D(impl) {
+    setWrapper(impl, this);
+  }
+  mixin(CanvasRenderingContext2D.prototype, {
+    get canvas() {
+      return wrap(unsafeUnwrap(this).canvas);
+    },
+    drawImage: function() {
+      arguments[0] = unwrapIfNeeded(arguments[0]);
+      unsafeUnwrap(this).drawImage.apply(unsafeUnwrap(this), arguments);
+    },
+    createPattern: function() {
+      arguments[0] = unwrap(arguments[0]);
+      return unsafeUnwrap(this).createPattern.apply(unsafeUnwrap(this), arguments);
+    }
+  });
+  registerWrapper(OriginalCanvasRenderingContext2D, CanvasRenderingContext2D, document.createElement("canvas").getContext("2d"));
+  scope.wrappers.CanvasRenderingContext2D = CanvasRenderingContext2D;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var addForwardingProperties = scope.addForwardingProperties;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var setWrapper = scope.setWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrapIfNeeded = scope.unwrapIfNeeded;
+  var wrap = scope.wrap;
+  var OriginalWebGLRenderingContext = window.WebGLRenderingContext;
+  if (!OriginalWebGLRenderingContext) return;
+  function WebGLRenderingContext(impl) {
+    setWrapper(impl, this);
+  }
+  mixin(WebGLRenderingContext.prototype, {
+    get canvas() {
+      return wrap(unsafeUnwrap(this).canvas);
+    },
+    texImage2D: function() {
+      arguments[5] = unwrapIfNeeded(arguments[5]);
+      unsafeUnwrap(this).texImage2D.apply(unsafeUnwrap(this), arguments);
+    },
+    texSubImage2D: function() {
+      arguments[6] = unwrapIfNeeded(arguments[6]);
+      unsafeUnwrap(this).texSubImage2D.apply(unsafeUnwrap(this), arguments);
+    }
+  });
+  var OriginalWebGLRenderingContextBase = Object.getPrototypeOf(OriginalWebGLRenderingContext.prototype);
+  if (OriginalWebGLRenderingContextBase !== Object.prototype) {
+    addForwardingProperties(OriginalWebGLRenderingContextBase, WebGLRenderingContext.prototype);
+  }
+  var instanceProperties = /WebKit/.test(navigator.userAgent) ? {
+    drawingBufferHeight: null,
+    drawingBufferWidth: null
+  } : {};
+  registerWrapper(OriginalWebGLRenderingContext, WebGLRenderingContext, instanceProperties);
+  scope.wrappers.WebGLRenderingContext = WebGLRenderingContext;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var Node = scope.wrappers.Node;
+  var GetElementsByInterface = scope.GetElementsByInterface;
+  var NonElementParentNodeInterface = scope.NonElementParentNodeInterface;
+  var ParentNodeInterface = scope.ParentNodeInterface;
+  var SelectorsInterface = scope.SelectorsInterface;
+  var mixin = scope.mixin;
+  var registerObject = scope.registerObject;
+  var registerWrapper = scope.registerWrapper;
+  var OriginalDocumentFragment = window.DocumentFragment;
+  function DocumentFragment(node) {
+    Node.call(this, node);
+  }
+  DocumentFragment.prototype = Object.create(Node.prototype);
+  mixin(DocumentFragment.prototype, ParentNodeInterface);
+  mixin(DocumentFragment.prototype, SelectorsInterface);
+  mixin(DocumentFragment.prototype, GetElementsByInterface);
+  mixin(DocumentFragment.prototype, NonElementParentNodeInterface);
+  registerWrapper(OriginalDocumentFragment, DocumentFragment, document.createDocumentFragment());
+  scope.wrappers.DocumentFragment = DocumentFragment;
+  var Comment = registerObject(document.createComment(""));
+  scope.wrappers.Comment = Comment;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var DocumentFragment = scope.wrappers.DocumentFragment;
+  var TreeScope = scope.TreeScope;
+  var elementFromPoint = scope.elementFromPoint;
+  var getInnerHTML = scope.getInnerHTML;
+  var getTreeScope = scope.getTreeScope;
+  var mixin = scope.mixin;
+  var rewrap = scope.rewrap;
+  var setInnerHTML = scope.setInnerHTML;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var shadowHostTable = new WeakMap();
+  var nextOlderShadowTreeTable = new WeakMap();
+  function ShadowRoot(hostWrapper) {
+    var node = unwrap(unsafeUnwrap(hostWrapper).ownerDocument.createDocumentFragment());
+    DocumentFragment.call(this, node);
+    rewrap(node, this);
+    var oldShadowRoot = hostWrapper.shadowRoot;
+    nextOlderShadowTreeTable.set(this, oldShadowRoot);
+    this.treeScope_ = new TreeScope(this, getTreeScope(oldShadowRoot || hostWrapper));
+    shadowHostTable.set(this, hostWrapper);
+  }
+  ShadowRoot.prototype = Object.create(DocumentFragment.prototype);
+  mixin(ShadowRoot.prototype, {
+    constructor: ShadowRoot,
+    get innerHTML() {
+      return getInnerHTML(this);
+    },
+    set innerHTML(value) {
+      setInnerHTML(this, value);
+      this.invalidateShadowRenderer();
+    },
+    get olderShadowRoot() {
+      return nextOlderShadowTreeTable.get(this) || null;
+    },
+    get host() {
+      return shadowHostTable.get(this) || null;
+    },
+    invalidateShadowRenderer: function() {
+      return shadowHostTable.get(this).invalidateShadowRenderer();
+    },
+    elementFromPoint: function(x, y) {
+      return elementFromPoint(this, this.ownerDocument, x, y);
+    },
+    getSelection: function() {
+      return document.getSelection();
+    },
+    get activeElement() {
+      var unwrappedActiveElement = unwrap(this).ownerDocument.activeElement;
+      if (!unwrappedActiveElement || !unwrappedActiveElement.nodeType) return null;
+      var activeElement = wrap(unwrappedActiveElement);
+      while (!this.contains(activeElement)) {
+        while (activeElement.parentNode) {
+          activeElement = activeElement.parentNode;
+        }
+        if (activeElement.host) {
+          activeElement = activeElement.host;
+        } else {
+          return null;
+        }
+      }
+      return activeElement;
+    }
+  });
+  scope.wrappers.ShadowRoot = ShadowRoot;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var registerWrapper = scope.registerWrapper;
+  var setWrapper = scope.setWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrap = scope.unwrap;
+  var unwrapIfNeeded = scope.unwrapIfNeeded;
+  var wrap = scope.wrap;
+  var getTreeScope = scope.getTreeScope;
+  var OriginalRange = window.Range;
+  var ShadowRoot = scope.wrappers.ShadowRoot;
+  function getHost(node) {
+    var root = getTreeScope(node).root;
+    if (root instanceof ShadowRoot) {
+      return root.host;
+    }
+    return null;
+  }
+  function hostNodeToShadowNode(refNode, offset) {
+    if (refNode.shadowRoot) {
+      offset = Math.min(refNode.childNodes.length - 1, offset);
+      var child = refNode.childNodes[offset];
+      if (child) {
+        var insertionPoint = scope.getDestinationInsertionPoints(child);
+        if (insertionPoint.length > 0) {
+          var parentNode = insertionPoint[0].parentNode;
+          if (parentNode.nodeType == Node.ELEMENT_NODE) {
+            refNode = parentNode;
+          }
+        }
+      }
+    }
+    return refNode;
+  }
+  function shadowNodeToHostNode(node) {
+    node = wrap(node);
+    return getHost(node) || node;
+  }
+  function Range(impl) {
+    setWrapper(impl, this);
+  }
+  Range.prototype = {
+    get startContainer() {
+      return shadowNodeToHostNode(unsafeUnwrap(this).startContainer);
+    },
+    get endContainer() {
+      return shadowNodeToHostNode(unsafeUnwrap(this).endContainer);
+    },
+    get commonAncestorContainer() {
+      return shadowNodeToHostNode(unsafeUnwrap(this).commonAncestorContainer);
+    },
+    setStart: function(refNode, offset) {
+      refNode = hostNodeToShadowNode(refNode, offset);
+      unsafeUnwrap(this).setStart(unwrapIfNeeded(refNode), offset);
+    },
+    setEnd: function(refNode, offset) {
+      refNode = hostNodeToShadowNode(refNode, offset);
+      unsafeUnwrap(this).setEnd(unwrapIfNeeded(refNode), offset);
+    },
+    setStartBefore: function(refNode) {
+      unsafeUnwrap(this).setStartBefore(unwrapIfNeeded(refNode));
+    },
+    setStartAfter: function(refNode) {
+      unsafeUnwrap(this).setStartAfter(unwrapIfNeeded(refNode));
+    },
+    setEndBefore: function(refNode) {
+      unsafeUnwrap(this).setEndBefore(unwrapIfNeeded(refNode));
+    },
+    setEndAfter: function(refNode) {
+      unsafeUnwrap(this).setEndAfter(unwrapIfNeeded(refNode));
+    },
+    selectNode: function(refNode) {
+      unsafeUnwrap(this).selectNode(unwrapIfNeeded(refNode));
+    },
+    selectNodeContents: function(refNode) {
+      unsafeUnwrap(this).selectNodeContents(unwrapIfNeeded(refNode));
+    },
+    compareBoundaryPoints: function(how, sourceRange) {
+      return unsafeUnwrap(this).compareBoundaryPoints(how, unwrap(sourceRange));
+    },
+    extractContents: function() {
+      return wrap(unsafeUnwrap(this).extractContents());
+    },
+    cloneContents: function() {
+      return wrap(unsafeUnwrap(this).cloneContents());
+    },
+    insertNode: function(node) {
+      unsafeUnwrap(this).insertNode(unwrapIfNeeded(node));
+    },
+    surroundContents: function(newParent) {
+      unsafeUnwrap(this).surroundContents(unwrapIfNeeded(newParent));
+    },
+    cloneRange: function() {
+      return wrap(unsafeUnwrap(this).cloneRange());
+    },
+    isPointInRange: function(node, offset) {
+      return unsafeUnwrap(this).isPointInRange(unwrapIfNeeded(node), offset);
+    },
+    comparePoint: function(node, offset) {
+      return unsafeUnwrap(this).comparePoint(unwrapIfNeeded(node), offset);
+    },
+    intersectsNode: function(node) {
+      return unsafeUnwrap(this).intersectsNode(unwrapIfNeeded(node));
+    },
+    toString: function() {
+      return unsafeUnwrap(this).toString();
+    }
+  };
+  if (OriginalRange.prototype.createContextualFragment) {
+    Range.prototype.createContextualFragment = function(html) {
+      return wrap(unsafeUnwrap(this).createContextualFragment(html));
+    };
+  }
+  registerWrapper(window.Range, Range, document.createRange());
+  scope.wrappers.Range = Range;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var Element = scope.wrappers.Element;
+  var HTMLContentElement = scope.wrappers.HTMLContentElement;
+  var HTMLShadowElement = scope.wrappers.HTMLShadowElement;
+  var Node = scope.wrappers.Node;
+  var ShadowRoot = scope.wrappers.ShadowRoot;
+  var assert = scope.assert;
+  var getTreeScope = scope.getTreeScope;
+  var mixin = scope.mixin;
+  var oneOf = scope.oneOf;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var ArraySplice = scope.ArraySplice;
+  function updateWrapperUpAndSideways(wrapper) {
+    wrapper.previousSibling_ = wrapper.previousSibling;
+    wrapper.nextSibling_ = wrapper.nextSibling;
+    wrapper.parentNode_ = wrapper.parentNode;
+  }
+  function updateWrapperDown(wrapper) {
+    wrapper.firstChild_ = wrapper.firstChild;
+    wrapper.lastChild_ = wrapper.lastChild;
+  }
+  function updateAllChildNodes(parentNodeWrapper) {
+    assert(parentNodeWrapper instanceof Node);
+    for (var childWrapper = parentNodeWrapper.firstChild; childWrapper; childWrapper = childWrapper.nextSibling) {
+      updateWrapperUpAndSideways(childWrapper);
+    }
+    updateWrapperDown(parentNodeWrapper);
+  }
+  function insertBefore(parentNodeWrapper, newChildWrapper, refChildWrapper) {
+    var parentNode = unwrap(parentNodeWrapper);
+    var newChild = unwrap(newChildWrapper);
+    var refChild = refChildWrapper ? unwrap(refChildWrapper) : null;
+    remove(newChildWrapper);
+    updateWrapperUpAndSideways(newChildWrapper);
+    if (!refChildWrapper) {
+      parentNodeWrapper.lastChild_ = parentNodeWrapper.lastChild;
+      if (parentNodeWrapper.lastChild === parentNodeWrapper.firstChild) parentNodeWrapper.firstChild_ = parentNodeWrapper.firstChild;
+      var lastChildWrapper = wrap(parentNode.lastChild);
+      if (lastChildWrapper) lastChildWrapper.nextSibling_ = lastChildWrapper.nextSibling;
+    } else {
+      if (parentNodeWrapper.firstChild === refChildWrapper) parentNodeWrapper.firstChild_ = refChildWrapper;
+      refChildWrapper.previousSibling_ = refChildWrapper.previousSibling;
+    }
+    scope.originalInsertBefore.call(parentNode, newChild, refChild);
+  }
+  function remove(nodeWrapper) {
+    var node = unwrap(nodeWrapper);
+    var parentNode = node.parentNode;
+    if (!parentNode) return;
+    var parentNodeWrapper = wrap(parentNode);
+    updateWrapperUpAndSideways(nodeWrapper);
+    if (nodeWrapper.previousSibling) nodeWrapper.previousSibling.nextSibling_ = nodeWrapper;
+    if (nodeWrapper.nextSibling) nodeWrapper.nextSibling.previousSibling_ = nodeWrapper;
+    if (parentNodeWrapper.lastChild === nodeWrapper) parentNodeWrapper.lastChild_ = nodeWrapper;
+    if (parentNodeWrapper.firstChild === nodeWrapper) parentNodeWrapper.firstChild_ = nodeWrapper;
+    scope.originalRemoveChild.call(parentNode, node);
+  }
+  var distributedNodesTable = new WeakMap();
+  var destinationInsertionPointsTable = new WeakMap();
+  var rendererForHostTable = new WeakMap();
+  function resetDistributedNodes(insertionPoint) {
+    distributedNodesTable.set(insertionPoint, []);
+  }
+  function getDistributedNodes(insertionPoint) {
+    var rv = distributedNodesTable.get(insertionPoint);
+    if (!rv) distributedNodesTable.set(insertionPoint, rv = []);
+    return rv;
+  }
+  function getChildNodesSnapshot(node) {
+    var result = [], i = 0;
+    for (var child = node.firstChild; child; child = child.nextSibling) {
+      result[i++] = child;
+    }
+    return result;
+  }
+  var request = oneOf(window, [ "requestAnimationFrame", "mozRequestAnimationFrame", "webkitRequestAnimationFrame", "setTimeout" ]);
+  var pendingDirtyRenderers = [];
+  var renderTimer;
+  function renderAllPending() {
+    for (var i = 0; i < pendingDirtyRenderers.length; i++) {
+      var renderer = pendingDirtyRenderers[i];
+      var parentRenderer = renderer.parentRenderer;
+      if (parentRenderer && parentRenderer.dirty) continue;
+      renderer.render();
+    }
+    pendingDirtyRenderers = [];
+  }
+  function handleRequestAnimationFrame() {
+    renderTimer = null;
+    renderAllPending();
+  }
+  function getRendererForHost(host) {
+    var renderer = rendererForHostTable.get(host);
+    if (!renderer) {
+      renderer = new ShadowRenderer(host);
+      rendererForHostTable.set(host, renderer);
+    }
+    return renderer;
+  }
+  function getShadowRootAncestor(node) {
+    var root = getTreeScope(node).root;
+    if (root instanceof ShadowRoot) return root;
+    return null;
+  }
+  function getRendererForShadowRoot(shadowRoot) {
+    return getRendererForHost(shadowRoot.host);
+  }
+  var spliceDiff = new ArraySplice();
+  spliceDiff.equals = function(renderNode, rawNode) {
+    return unwrap(renderNode.node) === rawNode;
+  };
+  function RenderNode(node) {
+    this.skip = false;
+    this.node = node;
+    this.childNodes = [];
+  }
+  RenderNode.prototype = {
+    append: function(node) {
+      var rv = new RenderNode(node);
+      this.childNodes.push(rv);
+      return rv;
+    },
+    sync: function(opt_added) {
+      if (this.skip) return;
+      var nodeWrapper = this.node;
+      var newChildren = this.childNodes;
+      var oldChildren = getChildNodesSnapshot(unwrap(nodeWrapper));
+      var added = opt_added || new WeakMap();
+      var splices = spliceDiff.calculateSplices(newChildren, oldChildren);
+      var newIndex = 0, oldIndex = 0;
+      var lastIndex = 0;
+      for (var i = 0; i < splices.length; i++) {
+        var splice = splices[i];
+        for (;lastIndex < splice.index; lastIndex++) {
+          oldIndex++;
+          newChildren[newIndex++].sync(added);
+        }
+        var removedCount = splice.removed.length;
+        for (var j = 0; j < removedCount; j++) {
+          var wrapper = wrap(oldChildren[oldIndex++]);
+          if (!added.get(wrapper)) remove(wrapper);
+        }
+        var addedCount = splice.addedCount;
+        var refNode = oldChildren[oldIndex] && wrap(oldChildren[oldIndex]);
+        for (var j = 0; j < addedCount; j++) {
+          var newChildRenderNode = newChildren[newIndex++];
+          var newChildWrapper = newChildRenderNode.node;
+          insertBefore(nodeWrapper, newChildWrapper, refNode);
+          added.set(newChildWrapper, true);
+          newChildRenderNode.sync(added);
+        }
+        lastIndex += addedCount;
+      }
+      for (var i = lastIndex; i < newChildren.length; i++) {
+        newChildren[i].sync(added);
+      }
+    }
+  };
+  function ShadowRenderer(host) {
+    this.host = host;
+    this.dirty = false;
+    this.invalidateAttributes();
+    this.associateNode(host);
+  }
+  ShadowRenderer.prototype = {
+    render: function(opt_renderNode) {
+      if (!this.dirty) return;
+      this.invalidateAttributes();
+      var host = this.host;
+      this.distribution(host);
+      var renderNode = opt_renderNode || new RenderNode(host);
+      this.buildRenderTree(renderNode, host);
+      var topMostRenderer = !opt_renderNode;
+      if (topMostRenderer) renderNode.sync();
+      this.dirty = false;
+    },
+    get parentRenderer() {
+      return getTreeScope(this.host).renderer;
+    },
+    invalidate: function() {
+      if (!this.dirty) {
+        this.dirty = true;
+        var parentRenderer = this.parentRenderer;
+        if (parentRenderer) parentRenderer.invalidate();
+        pendingDirtyRenderers.push(this);
+        if (renderTimer) return;
+        renderTimer = window[request](handleRequestAnimationFrame, 0);
+      }
+    },
+    distribution: function(root) {
+      this.resetAllSubtrees(root);
+      this.distributionResolution(root);
+    },
+    resetAll: function(node) {
+      if (isInsertionPoint(node)) resetDistributedNodes(node); else resetDestinationInsertionPoints(node);
+      this.resetAllSubtrees(node);
+    },
+    resetAllSubtrees: function(node) {
+      for (var child = node.firstChild; child; child = child.nextSibling) {
+        this.resetAll(child);
+      }
+      if (node.shadowRoot) this.resetAll(node.shadowRoot);
+      if (node.olderShadowRoot) this.resetAll(node.olderShadowRoot);
+    },
+    distributionResolution: function(node) {
+      if (isShadowHost(node)) {
+        var shadowHost = node;
+        var pool = poolPopulation(shadowHost);
+        var shadowTrees = getShadowTrees(shadowHost);
+        for (var i = 0; i < shadowTrees.length; i++) {
+          this.poolDistribution(shadowTrees[i], pool);
+        }
+        for (var i = shadowTrees.length - 1; i >= 0; i--) {
+          var shadowTree = shadowTrees[i];
+          var shadow = getShadowInsertionPoint(shadowTree);
+          if (shadow) {
+            var olderShadowRoot = shadowTree.olderShadowRoot;
+            if (olderShadowRoot) {
+              pool = poolPopulation(olderShadowRoot);
+            }
+            for (var j = 0; j < pool.length; j++) {
+              destributeNodeInto(pool[j], shadow);
+            }
+          }
+          this.distributionResolution(shadowTree);
+        }
+      }
+      for (var child = node.firstChild; child; child = child.nextSibling) {
+        this.distributionResolution(child);
+      }
+    },
+    poolDistribution: function(node, pool) {
+      if (node instanceof HTMLShadowElement) return;
+      if (node instanceof HTMLContentElement) {
+        var content = node;
+        this.updateDependentAttributes(content.getAttribute("select"));
+        var anyDistributed = false;
+        for (var i = 0; i < pool.length; i++) {
+          var node = pool[i];
+          if (!node) continue;
+          if (matches(node, content)) {
+            destributeNodeInto(node, content);
+            pool[i] = undefined;
+            anyDistributed = true;
+          }
+        }
+        if (!anyDistributed) {
+          for (var child = content.firstChild; child; child = child.nextSibling) {
+            destributeNodeInto(child, content);
+          }
+        }
+        return;
+      }
+      for (var child = node.firstChild; child; child = child.nextSibling) {
+        this.poolDistribution(child, pool);
+      }
+    },
+    buildRenderTree: function(renderNode, node) {
+      var children = this.compose(node);
+      for (var i = 0; i < children.length; i++) {
+        var child = children[i];
+        var childRenderNode = renderNode.append(child);
+        this.buildRenderTree(childRenderNode, child);
+      }
+      if (isShadowHost(node)) {
+        var renderer = getRendererForHost(node);
+        renderer.dirty = false;
+      }
+    },
+    compose: function(node) {
+      var children = [];
+      var p = node.shadowRoot || node;
+      for (var child = p.firstChild; child; child = child.nextSibling) {
+        if (isInsertionPoint(child)) {
+          this.associateNode(p);
+          var distributedNodes = getDistributedNodes(child);
+          for (var j = 0; j < distributedNodes.length; j++) {
+            var distributedNode = distributedNodes[j];
+            if (isFinalDestination(child, distributedNode)) children.push(distributedNode);
+          }
+        } else {
+          children.push(child);
+        }
+      }
+      return children;
+    },
+    invalidateAttributes: function() {
+      this.attributes = Object.create(null);
+    },
+    updateDependentAttributes: function(selector) {
+      if (!selector) return;
+      var attributes = this.attributes;
+      if (/\.\w+/.test(selector)) attributes["class"] = true;
+      if (/#\w+/.test(selector)) attributes["id"] = true;
+      selector.replace(/\[\s*([^\s=\|~\]]+)/g, function(_, name) {
+        attributes[name] = true;
+      });
+    },
+    dependsOnAttribute: function(name) {
+      return this.attributes[name];
+    },
+    associateNode: function(node) {
+      unsafeUnwrap(node).polymerShadowRenderer_ = this;
+    }
+  };
+  function poolPopulation(node) {
+    var pool = [];
+    for (var child = node.firstChild; child; child = child.nextSibling) {
+      if (isInsertionPoint(child)) {
+        pool.push.apply(pool, getDistributedNodes(child));
+      } else {
+        pool.push(child);
+      }
+    }
+    return pool;
+  }
+  function getShadowInsertionPoint(node) {
+    if (node instanceof HTMLShadowElement) return node;
+    if (node instanceof HTMLContentElement) return null;
+    for (var child = node.firstChild; child; child = child.nextSibling) {
+      var res = getShadowInsertionPoint(child);
+      if (res) return res;
+    }
+    return null;
+  }
+  function destributeNodeInto(child, insertionPoint) {
+    getDistributedNodes(insertionPoint).push(child);
+    var points = destinationInsertionPointsTable.get(child);
+    if (!points) destinationInsertionPointsTable.set(child, [ insertionPoint ]); else points.push(insertionPoint);
+  }
+  function getDestinationInsertionPoints(node) {
+    return destinationInsertionPointsTable.get(node);
+  }
+  function resetDestinationInsertionPoints(node) {
+    destinationInsertionPointsTable.set(node, undefined);
+  }
+  var selectorStartCharRe = /^(:not\()?[*.#[a-zA-Z_|]/;
+  function matches(node, contentElement) {
+    var select = contentElement.getAttribute("select");
+    if (!select) return true;
+    select = select.trim();
+    if (!select) return true;
+    if (!(node instanceof Element)) return false;
+    if (!selectorStartCharRe.test(select)) return false;
+    try {
+      return node.matches(select);
+    } catch (ex) {
+      return false;
+    }
+  }
+  function isFinalDestination(insertionPoint, node) {
+    var points = getDestinationInsertionPoints(node);
+    return points && points[points.length - 1] === insertionPoint;
+  }
+  function isInsertionPoint(node) {
+    return node instanceof HTMLContentElement || node instanceof HTMLShadowElement;
+  }
+  function isShadowHost(shadowHost) {
+    return shadowHost.shadowRoot;
+  }
+  function getShadowTrees(host) {
+    var trees = [];
+    for (var tree = host.shadowRoot; tree; tree = tree.olderShadowRoot) {
+      trees.push(tree);
+    }
+    return trees;
+  }
+  function render(host) {
+    new ShadowRenderer(host).render();
+  }
+  Node.prototype.invalidateShadowRenderer = function(force) {
+    var renderer = unsafeUnwrap(this).polymerShadowRenderer_;
+    if (renderer) {
+      renderer.invalidate();
+      return true;
+    }
+    return false;
+  };
+  HTMLContentElement.prototype.getDistributedNodes = HTMLShadowElement.prototype.getDistributedNodes = function() {
+    renderAllPending();
+    return getDistributedNodes(this);
+  };
+  Element.prototype.getDestinationInsertionPoints = function() {
+    renderAllPending();
+    return getDestinationInsertionPoints(this) || [];
+  };
+  HTMLContentElement.prototype.nodeIsInserted_ = HTMLShadowElement.prototype.nodeIsInserted_ = function() {
+    this.invalidateShadowRenderer();
+    var shadowRoot = getShadowRootAncestor(this);
+    var renderer;
+    if (shadowRoot) renderer = getRendererForShadowRoot(shadowRoot);
+    unsafeUnwrap(this).polymerShadowRenderer_ = renderer;
+    if (renderer) renderer.invalidate();
+  };
+  scope.getRendererForHost = getRendererForHost;
+  scope.getShadowTrees = getShadowTrees;
+  scope.renderAllPending = renderAllPending;
+  scope.getDestinationInsertionPoints = getDestinationInsertionPoints;
+  scope.visual = {
+    insertBefore: insertBefore,
+    remove: remove
+  };
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var HTMLElement = scope.wrappers.HTMLElement;
+  var assert = scope.assert;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var elementsWithFormProperty = [ "HTMLButtonElement", "HTMLFieldSetElement", "HTMLInputElement", "HTMLKeygenElement", "HTMLLabelElement", "HTMLLegendElement", "HTMLObjectElement", "HTMLOutputElement", "HTMLTextAreaElement" ];
+  function createWrapperConstructor(name) {
+    if (!window[name]) return;
+    assert(!scope.wrappers[name]);
+    var GeneratedWrapper = function(node) {
+      HTMLElement.call(this, node);
+    };
+    GeneratedWrapper.prototype = Object.create(HTMLElement.prototype);
+    mixin(GeneratedWrapper.prototype, {
+      get form() {
+        return wrap(unwrap(this).form);
+      }
+    });
+    registerWrapper(window[name], GeneratedWrapper, document.createElement(name.slice(4, -7)));
+    scope.wrappers[name] = GeneratedWrapper;
+  }
+  elementsWithFormProperty.forEach(createWrapperConstructor);
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var registerWrapper = scope.registerWrapper;
+  var setWrapper = scope.setWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrap = scope.unwrap;
+  var unwrapIfNeeded = scope.unwrapIfNeeded;
+  var wrap = scope.wrap;
+  var OriginalSelection = window.Selection;
+  function Selection(impl) {
+    setWrapper(impl, this);
+  }
+  Selection.prototype = {
+    get anchorNode() {
+      return wrap(unsafeUnwrap(this).anchorNode);
+    },
+    get focusNode() {
+      return wrap(unsafeUnwrap(this).focusNode);
+    },
+    addRange: function(range) {
+      unsafeUnwrap(this).addRange(unwrapIfNeeded(range));
+    },
+    collapse: function(node, index) {
+      unsafeUnwrap(this).collapse(unwrapIfNeeded(node), index);
+    },
+    containsNode: function(node, allowPartial) {
+      return unsafeUnwrap(this).containsNode(unwrapIfNeeded(node), allowPartial);
+    },
+    getRangeAt: function(index) {
+      return wrap(unsafeUnwrap(this).getRangeAt(index));
+    },
+    removeRange: function(range) {
+      unsafeUnwrap(this).removeRange(unwrap(range));
+    },
+    selectAllChildren: function(node) {
+      unsafeUnwrap(this).selectAllChildren(node instanceof ShadowRoot ? unsafeUnwrap(node.host) : unwrapIfNeeded(node));
+    },
+    toString: function() {
+      return unsafeUnwrap(this).toString();
+    }
+  };
+  if (OriginalSelection.prototype.extend) {
+    Selection.prototype.extend = function(node, offset) {
+      unsafeUnwrap(this).extend(unwrapIfNeeded(node), offset);
+    };
+  }
+  registerWrapper(window.Selection, Selection, window.getSelection());
+  scope.wrappers.Selection = Selection;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var registerWrapper = scope.registerWrapper;
+  var setWrapper = scope.setWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrapIfNeeded = scope.unwrapIfNeeded;
+  var wrap = scope.wrap;
+  var OriginalTreeWalker = window.TreeWalker;
+  function TreeWalker(impl) {
+    setWrapper(impl, this);
+  }
+  TreeWalker.prototype = {
+    get root() {
+      return wrap(unsafeUnwrap(this).root);
+    },
+    get currentNode() {
+      return wrap(unsafeUnwrap(this).currentNode);
+    },
+    set currentNode(node) {
+      unsafeUnwrap(this).currentNode = unwrapIfNeeded(node);
+    },
+    get filter() {
+      return unsafeUnwrap(this).filter;
+    },
+    parentNode: function() {
+      return wrap(unsafeUnwrap(this).parentNode());
+    },
+    firstChild: function() {
+      return wrap(unsafeUnwrap(this).firstChild());
+    },
+    lastChild: function() {
+      return wrap(unsafeUnwrap(this).lastChild());
+    },
+    previousSibling: function() {
+      return wrap(unsafeUnwrap(this).previousSibling());
+    },
+    previousNode: function() {
+      return wrap(unsafeUnwrap(this).previousNode());
+    },
+    nextNode: function() {
+      return wrap(unsafeUnwrap(this).nextNode());
+    }
+  };
+  registerWrapper(OriginalTreeWalker, TreeWalker);
+  scope.wrappers.TreeWalker = TreeWalker;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var GetElementsByInterface = scope.GetElementsByInterface;
+  var Node = scope.wrappers.Node;
+  var ParentNodeInterface = scope.ParentNodeInterface;
+  var NonElementParentNodeInterface = scope.NonElementParentNodeInterface;
+  var Selection = scope.wrappers.Selection;
+  var SelectorsInterface = scope.SelectorsInterface;
+  var ShadowRoot = scope.wrappers.ShadowRoot;
+  var TreeScope = scope.TreeScope;
+  var cloneNode = scope.cloneNode;
+  var defineGetter = scope.defineGetter;
+  var defineWrapGetter = scope.defineWrapGetter;
+  var elementFromPoint = scope.elementFromPoint;
+  var forwardMethodsToWrapper = scope.forwardMethodsToWrapper;
+  var matchesNames = scope.matchesNames;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var renderAllPending = scope.renderAllPending;
+  var rewrap = scope.rewrap;
+  var setWrapper = scope.setWrapper;
+  var unsafeUnwrap = scope.unsafeUnwrap;
+  var unwrap = scope.unwrap;
+  var wrap = scope.wrap;
+  var wrapEventTargetMethods = scope.wrapEventTargetMethods;
+  var wrapNodeList = scope.wrapNodeList;
+  var implementationTable = new WeakMap();
+  function Document(node) {
+    Node.call(this, node);
+    this.treeScope_ = new TreeScope(this, null);
+  }
+  Document.prototype = Object.create(Node.prototype);
+  defineWrapGetter(Document, "documentElement");
+  defineWrapGetter(Document, "body");
+  defineWrapGetter(Document, "head");
+  defineGetter(Document, "activeElement", function() {
+    var unwrappedActiveElement = unwrap(this).activeElement;
+    if (!unwrappedActiveElement || !unwrappedActiveElement.nodeType) return null;
+    var activeElement = wrap(unwrappedActiveElement);
+    while (!this.contains(activeElement)) {
+      while (activeElement.parentNode) {
+        activeElement = activeElement.parentNode;
+      }
+      if (activeElement.host) {
+        activeElement = activeElement.host;
+      } else {
+        return null;
+      }
+    }
+    return activeElement;
+  });
+  function wrapMethod(name) {
+    var original = document[name];
+    Document.prototype[name] = function() {
+      return wrap(original.apply(unsafeUnwrap(this), arguments));
+    };
+  }
+  [ "createComment", "createDocumentFragment", "createElement", "createElementNS", "createEvent", "createEventNS", "createRange", "createTextNode" ].forEach(wrapMethod);
+  var originalAdoptNode = document.adoptNode;
+  function adoptNodeNoRemove(node, doc) {
+    originalAdoptNode.call(unsafeUnwrap(doc), unwrap(node));
+    adoptSubtree(node, doc);
+  }
+  function adoptSubtree(node, doc) {
+    if (node.shadowRoot) doc.adoptNode(node.shadowRoot);
+    if (node instanceof ShadowRoot) adoptOlderShadowRoots(node, doc);
+    for (var child = node.firstChild; child; child = child.nextSibling) {
+      adoptSubtree(child, doc);
+    }
+  }
+  function adoptOlderShadowRoots(shadowRoot, doc) {
+    var oldShadowRoot = shadowRoot.olderShadowRoot;
+    if (oldShadowRoot) doc.adoptNode(oldShadowRoot);
+  }
+  var originalGetSelection = document.getSelection;
+  mixin(Document.prototype, {
+    adoptNode: function(node) {
+      if (node.parentNode) node.parentNode.removeChild(node);
+      adoptNodeNoRemove(node, this);
+      return node;
+    },
+    elementFromPoint: function(x, y) {
+      return elementFromPoint(this, this, x, y);
+    },
+    importNode: function(node, deep) {
+      return cloneNode(node, deep, unsafeUnwrap(this));
+    },
+    getSelection: function() {
+      renderAllPending();
+      return new Selection(originalGetSelection.call(unwrap(this)));
+    },
+    getElementsByName: function(name) {
+      return SelectorsInterface.querySelectorAll.call(this, "[name=" + JSON.stringify(String(name)) + "]");
+    }
+  });
+  var originalCreateTreeWalker = document.createTreeWalker;
+  var TreeWalkerWrapper = scope.wrappers.TreeWalker;
+  Document.prototype.createTreeWalker = function(root, whatToShow, filter, expandEntityReferences) {
+    var newFilter = null;
+    if (filter) {
+      if (filter.acceptNode && typeof filter.acceptNode === "function") {
+        newFilter = {
+          acceptNode: function(node) {
+            return filter.acceptNode(wrap(node));
+          }
+        };
+      } else if (typeof filter === "function") {
+        newFilter = function(node) {
+          return filter(wrap(node));
+        };
+      }
+    }
+    return new TreeWalkerWrapper(originalCreateTreeWalker.call(unwrap(this), unwrap(root), whatToShow, newFilter, expandEntityReferences));
+  };
+  if (document.registerElement) {
+    var originalRegisterElement = document.registerElement;
+    Document.prototype.registerElement = function(tagName, object) {
+      var prototype, extendsOption;
+      if (object !== undefined) {
+        prototype = object.prototype;
+        extendsOption = object.extends;
+      }
+      if (!prototype) prototype = Object.create(HTMLElement.prototype);
+      if (scope.nativePrototypeTable.get(prototype)) {
+        throw new Error("NotSupportedError");
+      }
+      var proto = Object.getPrototypeOf(prototype);
+      var nativePrototype;
+      var prototypes = [];
+      while (proto) {
+        nativePrototype = scope.nativePrototypeTable.get(proto);
+        if (nativePrototype) break;
+        prototypes.push(proto);
+        proto = Object.getPrototypeOf(proto);
+      }
+      if (!nativePrototype) {
+        throw new Error("NotSupportedError");
+      }
+      var newPrototype = Object.create(nativePrototype);
+      for (var i = prototypes.length - 1; i >= 0; i--) {
+        newPrototype = Object.create(newPrototype);
+      }
+      [ "createdCallback", "attachedCallback", "detachedCallback", "attributeChangedCallback" ].forEach(function(name) {
+        var f = prototype[name];
+        if (!f) return;
+        newPrototype[name] = function() {
+          if (!(wrap(this) instanceof CustomElementConstructor)) {
+            rewrap(this);
+          }
+          f.apply(wrap(this), arguments);
+        };
+      });
+      var p = {
+        prototype: newPrototype
+      };
+      if (extendsOption) p.extends = extendsOption;
+      function CustomElementConstructor(node) {
+        if (!node) {
+          if (extendsOption) {
+            return document.createElement(extendsOption, tagName);
+          } else {
+            return document.createElement(tagName);
+          }
+        }
+        setWrapper(node, this);
+      }
+      CustomElementConstructor.prototype = prototype;
+      CustomElementConstructor.prototype.constructor = CustomElementConstructor;
+      scope.constructorTable.set(newPrototype, CustomElementConstructor);
+      scope.nativePrototypeTable.set(prototype, newPrototype);
+      var nativeConstructor = originalRegisterElement.call(unwrap(this), tagName, p);
+      return CustomElementConstructor;
+    };
+    forwardMethodsToWrapper([ window.HTMLDocument || window.Document ], [ "registerElement" ]);
+  }
+  forwardMethodsToWrapper([ window.HTMLBodyElement, window.HTMLDocument || window.Document, window.HTMLHeadElement, window.HTMLHtmlElement ], [ "appendChild", "compareDocumentPosition", "contains", "getElementsByClassName", "getElementsByTagName", "getElementsByTagNameNS", "insertBefore", "querySelector", "querySelectorAll", "removeChild", "replaceChild" ]);
+  forwardMethodsToWrapper([ window.HTMLBodyElement, window.HTMLHeadElement, window.HTMLHtmlElement ], matchesNames);
+  forwardMethodsToWrapper([ window.HTMLDocument || window.Document ], [ "adoptNode", "importNode", "contains", "createComment", "createDocumentFragment", "createElement", "createElementNS", "createEvent", "createEventNS", "createRange", "createTextNode", "createTreeWalker", "elementFromPoint", "getElementById", "getElementsByName", "getSelection" ]);
+  mixin(Document.prototype, GetElementsByInterface);
+  mixin(Document.prototype, ParentNodeInterface);
+  mixin(Document.prototype, SelectorsInterface);
+  mixin(Document.prototype, NonElementParentNodeInterface);
+  mixin(Document.prototype, {
+    get implementation() {
+      var implementation = implementationTable.get(this);
+      if (implementation) return implementation;
+      implementation = new DOMImplementation(unwrap(this).implementation);
+      implementationTable.set(this, implementation);
+      return implementation;
+    },
+    get defaultView() {
+      return wrap(unwrap(this).defaultView);
+    }
+  });
+  registerWrapper(window.Document, Document, document.implementation.createHTMLDocument(""));
+  if (window.HTMLDocument) registerWrapper(window.HTMLDocument, Document);
+  wrapEventTargetMethods([ window.HTMLBodyElement, window.HTMLDocument || window.Document, window.HTMLHeadElement ]);
+  function DOMImplementation(impl) {
+    setWrapper(impl, this);
+  }
+  var originalCreateDocument = document.implementation.createDocument;
+  DOMImplementation.prototype.createDocument = function() {
+    arguments[2] = unwrap(arguments[2]);
+    return wrap(originalCreateDocument.apply(unsafeUnwrap(this), arguments));
+  };
+  function wrapImplMethod(constructor, name) {
+    var original = document.implementation[name];
+    constructor.prototype[name] = function() {
+      return wrap(original.apply(unsafeUnwrap(this), arguments));
+    };
+  }
+  function forwardImplMethod(constructor, name) {
+    var original = document.implementation[name];
+    constructor.prototype[name] = function() {
+      return original.apply(unsafeUnwrap(this), arguments);
+    };
+  }
+  wrapImplMethod(DOMImplementation, "createDocumentType");
+  wrapImplMethod(DOMImplementation, "createHTMLDocument");
+  forwardImplMethod(DOMImplementation, "hasFeature");
+  registerWrapper(window.DOMImplementation, DOMImplementation);
+  forwardMethodsToWrapper([ window.DOMImplementation ], [ "createDocument", "createDocumentType", "createHTMLDocument", "hasFeature" ]);
+  scope.adoptNodeNoRemove = adoptNodeNoRemove;
+  scope.wrappers.DOMImplementation = DOMImplementation;
+  scope.wrappers.Document = Document;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var EventTarget = scope.wrappers.EventTarget;
+  var Selection = scope.wrappers.Selection;
+  var mixin = scope.mixin;
+  var registerWrapper = scope.registerWrapper;
+  var renderAllPending = scope.renderAllPending;
+  var unwrap = scope.unwrap;
+  var unwrapIfNeeded = scope.unwrapIfNeeded;
+  var wrap = scope.wrap;
+  var OriginalWindow = window.Window;
+  var originalGetComputedStyle = window.getComputedStyle;
+  var originalGetDefaultComputedStyle = window.getDefaultComputedStyle;
+  var originalGetSelection = window.getSelection;
+  function Window(impl) {
+    EventTarget.call(this, impl);
+  }
+  Window.prototype = Object.create(EventTarget.prototype);
+  OriginalWindow.prototype.getComputedStyle = function(el, pseudo) {
+    return wrap(this || window).getComputedStyle(unwrapIfNeeded(el), pseudo);
+  };
+  if (originalGetDefaultComputedStyle) {
+    OriginalWindow.prototype.getDefaultComputedStyle = function(el, pseudo) {
+      return wrap(this || window).getDefaultComputedStyle(unwrapIfNeeded(el), pseudo);
+    };
+  }
+  OriginalWindow.prototype.getSelection = function() {
+    return wrap(this || window).getSelection();
+  };
+  delete window.getComputedStyle;
+  delete window.getDefaultComputedStyle;
+  delete window.getSelection;
+  [ "addEventListener", "removeEventListener", "dispatchEvent" ].forEach(function(name) {
+    OriginalWindow.prototype[name] = function() {
+      var w = wrap(this || window);
+      return w[name].apply(w, arguments);
+    };
+    delete window[name];
+  });
+  mixin(Window.prototype, {
+    getComputedStyle: function(el, pseudo) {
+      renderAllPending();
+      return originalGetComputedStyle.call(unwrap(this), unwrapIfNeeded(el), pseudo);
+    },
+    getSelection: function() {
+      renderAllPending();
+      return new Selection(originalGetSelection.call(unwrap(this)));
+    },
+    get document() {
+      return wrap(unwrap(this).document);
+    }
+  });
+  if (originalGetDefaultComputedStyle) {
+    Window.prototype.getDefaultComputedStyle = function(el, pseudo) {
+      renderAllPending();
+      return originalGetDefaultComputedStyle.call(unwrap(this), unwrapIfNeeded(el), pseudo);
+    };
+  }
+  registerWrapper(OriginalWindow, Window, window);
+  scope.wrappers.Window = Window;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var unwrap = scope.unwrap;
+  var OriginalDataTransfer = window.DataTransfer || window.Clipboard;
+  var OriginalDataTransferSetDragImage = OriginalDataTransfer.prototype.setDragImage;
+  if (OriginalDataTransferSetDragImage) {
+    OriginalDataTransfer.prototype.setDragImage = function(image, x, y) {
+      OriginalDataTransferSetDragImage.call(this, unwrap(image), x, y);
+    };
+  }
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var registerWrapper = scope.registerWrapper;
+  var setWrapper = scope.setWrapper;
+  var unwrap = scope.unwrap;
+  var OriginalFormData = window.FormData;
+  if (!OriginalFormData) return;
+  function FormData(formElement) {
+    var impl;
+    if (formElement instanceof OriginalFormData) {
+      impl = formElement;
+    } else {
+      impl = new OriginalFormData(formElement && unwrap(formElement));
+    }
+    setWrapper(impl, this);
+  }
+  registerWrapper(OriginalFormData, FormData, new OriginalFormData());
+  scope.wrappers.FormData = FormData;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var unwrapIfNeeded = scope.unwrapIfNeeded;
+  var originalSend = XMLHttpRequest.prototype.send;
+  XMLHttpRequest.prototype.send = function(obj) {
+    return originalSend.call(this, unwrapIfNeeded(obj));
+  };
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+  "use strict";
+  var isWrapperFor = scope.isWrapperFor;
+  var elements = {
+    a: "HTMLAnchorElement",
+    area: "HTMLAreaElement",
+    audio: "HTMLAudioElement",
+    base: "HTMLBaseElement",
+    body: "HTMLBodyElement",
+    br: "HTMLBRElement",
+    button: "HTMLButtonElement",
+    canvas: "HTMLCanvasElement",
+    caption: "HTMLTableCaptionElement",
+    col: "HTMLTableColElement",
+    content: "HTMLContentElement",
+    data: "HTMLDataElement",
+    datalist: "HTMLDataListElement",
+    del: "HTMLModElement",
+    dir: "HTMLDirectoryElement",
+    div: "HTMLDivElement",
+    dl: "HTMLDListElement",
+    embed: "HTMLEmbedElement",
+    fieldset: "HTMLFieldSetElement",
+    font: "HTMLFontElement",
+    form: "HTMLFormElement",
+    frame: "HTMLFrameElement",
+    frameset: "HTMLFrameSetElement",
+    h1: "HTMLHeadingElement",
+    head: "HTMLHeadElement",
+    hr: "HTMLHRElement",
+    html: "HTMLHtmlElement",
+    iframe: "HTMLIFrameElement",
+    img: "HTMLImageElement",
+    input: "HTMLInputElement",
+    keygen: "HTMLKeygenElement",
+    label: "HTMLLabelElement",
+    legend: "HTMLLegendElement",
+    li: "HTMLLIElement",
+    link: "HTMLLinkElement",
+    map: "HTMLMapElement",
+    marquee: "HTMLMarqueeElement",
+    menu: "HTMLMenuElement",
+    menuitem: "HTMLMenuItemElement",
+    meta: "HTMLMetaElement",
+    meter: "HTMLMeterElement",
+    object: "HTMLObjectElement",
+    ol: "HTMLOListElement",
+    optgroup: "HTMLOptGroupElement",
+    option: "HTMLOptionElement",
+    output: "HTMLOutputElement",
+    p: "HTMLParagraphElement",
+    param: "HTMLParamElement",
+    pre: "HTMLPreElement",
+    progress: "HTMLProgressElement",
+    q: "HTMLQuoteElement",
+    script: "HTMLScriptElement",
+    select: "HTMLSelectElement",
+    shadow: "HTMLShadowElement",
+    source: "HTMLSourceElement",
+    span: "HTMLSpanElement",
+    style: "HTMLStyleElement",
+    table: "HTMLTableElement",
+    tbody: "HTMLTableSectionElement",
+    template: "HTMLTemplateElement",
+    textarea: "HTMLTextAreaElement",
+    thead: "HTMLTableSectionElement",
+    time: "HTMLTimeElement",
+    title: "HTMLTitleElement",
+    tr: "HTMLTableRowElement",
+    track: "HTMLTrackElement",
+    ul: "HTMLUListElement",
+    video: "HTMLVideoElement"
+  };
+  function overrideConstructor(tagName) {
+    var nativeConstructorName = elements[tagName];
+    var nativeConstructor = window[nativeConstructorName];
+    if (!nativeConstructor) return;
+    var element = document.createElement(tagName);
+    var wrapperConstructor = element.constructor;
+    window[nativeConstructorName] = wrapperConstructor;
+  }
+  Object.keys(elements).forEach(overrideConstructor);
+  Object.getOwnPropertyNames(scope.wrappers).forEach(function(name) {
+    window[name] = scope.wrappers[name];
+  });
+})(window.ShadowDOMPolyfill);
\ No newline at end of file
diff --git a/dashboard-ui/bower_components/webcomponentsjs/ShadowDOM.min.js b/dashboard-ui/bower_components/webcomponentsjs/ShadowDOM.min.js
new file mode 100644
index 0000000000..3303840cf0
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/ShadowDOM.min.js
@@ -0,0 +1,13 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
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diff --git a/dashboard-ui/bower_components/webcomponentsjs/bower.json b/dashboard-ui/bower_components/webcomponentsjs/bower.json
new file mode 100644
index 0000000000..925f321fcd
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/bower.json
@@ -0,0 +1,21 @@
+{
+  "name": "webcomponentsjs",
+  "main": "webcomponents.js",
+  "version": "0.7.22",
+  "homepage": "http://webcomponents.org",
+  "authors": [
+    "The Polymer Authors"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/webcomponents/webcomponentsjs.git"
+  },
+  "keywords": [
+    "webcomponents"
+  ],
+  "license": "BSD",
+  "ignore": [],
+  "devDependencies": {
+    "web-component-tester": "^4.0.1"
+  }
+}
diff --git a/dashboard-ui/bower_components/webcomponentsjs/package.json b/dashboard-ui/bower_components/webcomponentsjs/package.json
new file mode 100644
index 0000000000..670c5fbde7
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "webcomponents.js",
+  "version": "0.7.22",
+  "description": "webcomponents.js",
+  "main": "webcomponents.js",
+  "directories": {
+    "test": "tests"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/webcomponents/webcomponentsjs.git"
+  },
+  "author": "The Polymer Authors",
+  "license": "BSD-3-Clause",
+  "bugs": {
+    "url": "https://github.com/webcomponents/webcomponentsjs/issues"
+  },
+  "scripts": {
+    "test": "wct"
+  },
+  "homepage": "http://webcomponents.org",
+  "devDependencies": {
+    "gulp": "^3.8.8",
+    "gulp-audit": "^1.0.0",
+    "gulp-concat": "^2.4.1",
+    "gulp-header": "^1.1.1",
+    "gulp-uglify": "^1.0.1",
+    "run-sequence": "^1.0.1",
+    "web-component-tester": "^4.0.1"
+  }
+}
diff --git a/dashboard-ui/bower_components/webcomponentsjs/webcomponents-lite.js b/dashboard-ui/bower_components/webcomponentsjs/webcomponents-lite.js
new file mode 100644
index 0000000000..44059a5b7b
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/webcomponents-lite.js
@@ -0,0 +1,2505 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
+(function() {
+  window.WebComponents = window.WebComponents || {
+    flags: {}
+  };
+  var file = "webcomponents-lite.js";
+  var script = document.querySelector('script[src*="' + file + '"]');
+  var flags = {};
+  if (!flags.noOpts) {
+    location.search.slice(1).split("&").forEach(function(option) {
+      var parts = option.split("=");
+      var match;
+      if (parts[0] && (match = parts[0].match(/wc-(.+)/))) {
+        flags[match[1]] = parts[1] || true;
+      }
+    });
+    if (script) {
+      for (var i = 0, a; a = script.attributes[i]; i++) {
+        if (a.name !== "src") {
+          flags[a.name] = a.value || true;
+        }
+      }
+    }
+    if (flags.log && flags.log.split) {
+      var parts = flags.log.split(",");
+      flags.log = {};
+      parts.forEach(function(f) {
+        flags.log[f] = true;
+      });
+    } else {
+      flags.log = {};
+    }
+  }
+  if (flags.register) {
+    window.CustomElements = window.CustomElements || {
+      flags: {}
+    };
+    window.CustomElements.flags.register = flags.register;
+  }
+  WebComponents.flags = flags;
+})();
+
+(function(scope) {
+  "use strict";
+  var hasWorkingUrl = false;
+  if (!scope.forceJURL) {
+    try {
+      var u = new URL("b", "http://a");
+      u.pathname = "c%20d";
+      hasWorkingUrl = u.href === "http://a/c%20d";
+    } catch (e) {}
+  }
+  if (hasWorkingUrl) return;
+  var relative = Object.create(null);
+  relative["ftp"] = 21;
+  relative["file"] = 0;
+  relative["gopher"] = 70;
+  relative["http"] = 80;
+  relative["https"] = 443;
+  relative["ws"] = 80;
+  relative["wss"] = 443;
+  var relativePathDotMapping = Object.create(null);
+  relativePathDotMapping["%2e"] = ".";
+  relativePathDotMapping[".%2e"] = "..";
+  relativePathDotMapping["%2e."] = "..";
+  relativePathDotMapping["%2e%2e"] = "..";
+  function isRelativeScheme(scheme) {
+    return relative[scheme] !== undefined;
+  }
+  function invalid() {
+    clear.call(this);
+    this._isInvalid = true;
+  }
+  function IDNAToASCII(h) {
+    if ("" == h) {
+      invalid.call(this);
+    }
+    return h.toLowerCase();
+  }
+  function percentEscape(c) {
+    var unicode = c.charCodeAt(0);
+    if (unicode > 32 && unicode < 127 && [ 34, 35, 60, 62, 63, 96 ].indexOf(unicode) == -1) {
+      return c;
+    }
+    return encodeURIComponent(c);
+  }
+  function percentEscapeQuery(c) {
+    var unicode = c.charCodeAt(0);
+    if (unicode > 32 && unicode < 127 && [ 34, 35, 60, 62, 96 ].indexOf(unicode) == -1) {
+      return c;
+    }
+    return encodeURIComponent(c);
+  }
+  var EOF = undefined, ALPHA = /[a-zA-Z]/, ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
+  function parse(input, stateOverride, base) {
+    function err(message) {
+      errors.push(message);
+    }
+    var state = stateOverride || "scheme start", cursor = 0, buffer = "", seenAt = false, seenBracket = false, errors = [];
+    loop: while ((input[cursor - 1] != EOF || cursor == 0) && !this._isInvalid) {
+      var c = input[cursor];
+      switch (state) {
+       case "scheme start":
+        if (c && ALPHA.test(c)) {
+          buffer += c.toLowerCase();
+          state = "scheme";
+        } else if (!stateOverride) {
+          buffer = "";
+          state = "no scheme";
+          continue;
+        } else {
+          err("Invalid scheme.");
+          break loop;
+        }
+        break;
+
+       case "scheme":
+        if (c && ALPHANUMERIC.test(c)) {
+          buffer += c.toLowerCase();
+        } else if (":" == c) {
+          this._scheme = buffer;
+          buffer = "";
+          if (stateOverride) {
+            break loop;
+          }
+          if (isRelativeScheme(this._scheme)) {
+            this._isRelative = true;
+          }
+          if ("file" == this._scheme) {
+            state = "relative";
+          } else if (this._isRelative && base && base._scheme == this._scheme) {
+            state = "relative or authority";
+          } else if (this._isRelative) {
+            state = "authority first slash";
+          } else {
+            state = "scheme data";
+          }
+        } else if (!stateOverride) {
+          buffer = "";
+          cursor = 0;
+          state = "no scheme";
+          continue;
+        } else if (EOF == c) {
+          break loop;
+        } else {
+          err("Code point not allowed in scheme: " + c);
+          break loop;
+        }
+        break;
+
+       case "scheme data":
+        if ("?" == c) {
+          this._query = "?";
+          state = "query";
+        } else if ("#" == c) {
+          this._fragment = "#";
+          state = "fragment";
+        } else {
+          if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+            this._schemeData += percentEscape(c);
+          }
+        }
+        break;
+
+       case "no scheme":
+        if (!base || !isRelativeScheme(base._scheme)) {
+          err("Missing scheme.");
+          invalid.call(this);
+        } else {
+          state = "relative";
+          continue;
+        }
+        break;
+
+       case "relative or authority":
+        if ("/" == c && "/" == input[cursor + 1]) {
+          state = "authority ignore slashes";
+        } else {
+          err("Expected /, got: " + c);
+          state = "relative";
+          continue;
+        }
+        break;
+
+       case "relative":
+        this._isRelative = true;
+        if ("file" != this._scheme) this._scheme = base._scheme;
+        if (EOF == c) {
+          this._host = base._host;
+          this._port = base._port;
+          this._path = base._path.slice();
+          this._query = base._query;
+          this._username = base._username;
+          this._password = base._password;
+          break loop;
+        } else if ("/" == c || "\\" == c) {
+          if ("\\" == c) err("\\ is an invalid code point.");
+          state = "relative slash";
+        } else if ("?" == c) {
+          this._host = base._host;
+          this._port = base._port;
+          this._path = base._path.slice();
+          this._query = "?";
+          this._username = base._username;
+          this._password = base._password;
+          state = "query";
+        } else if ("#" == c) {
+          this._host = base._host;
+          this._port = base._port;
+          this._path = base._path.slice();
+          this._query = base._query;
+          this._fragment = "#";
+          this._username = base._username;
+          this._password = base._password;
+          state = "fragment";
+        } else {
+          var nextC = input[cursor + 1];
+          var nextNextC = input[cursor + 2];
+          if ("file" != this._scheme || !ALPHA.test(c) || nextC != ":" && nextC != "|" || EOF != nextNextC && "/" != nextNextC && "\\" != nextNextC && "?" != nextNextC && "#" != nextNextC) {
+            this._host = base._host;
+            this._port = base._port;
+            this._username = base._username;
+            this._password = base._password;
+            this._path = base._path.slice();
+            this._path.pop();
+          }
+          state = "relative path";
+          continue;
+        }
+        break;
+
+       case "relative slash":
+        if ("/" == c || "\\" == c) {
+          if ("\\" == c) {
+            err("\\ is an invalid code point.");
+          }
+          if ("file" == this._scheme) {
+            state = "file host";
+          } else {
+            state = "authority ignore slashes";
+          }
+        } else {
+          if ("file" != this._scheme) {
+            this._host = base._host;
+            this._port = base._port;
+            this._username = base._username;
+            this._password = base._password;
+          }
+          state = "relative path";
+          continue;
+        }
+        break;
+
+       case "authority first slash":
+        if ("/" == c) {
+          state = "authority second slash";
+        } else {
+          err("Expected '/', got: " + c);
+          state = "authority ignore slashes";
+          continue;
+        }
+        break;
+
+       case "authority second slash":
+        state = "authority ignore slashes";
+        if ("/" != c) {
+          err("Expected '/', got: " + c);
+          continue;
+        }
+        break;
+
+       case "authority ignore slashes":
+        if ("/" != c && "\\" != c) {
+          state = "authority";
+          continue;
+        } else {
+          err("Expected authority, got: " + c);
+        }
+        break;
+
+       case "authority":
+        if ("@" == c) {
+          if (seenAt) {
+            err("@ already seen.");
+            buffer += "%40";
+          }
+          seenAt = true;
+          for (var i = 0; i < buffer.length; i++) {
+            var cp = buffer[i];
+            if ("	" == cp || "\n" == cp || "\r" == cp) {
+              err("Invalid whitespace in authority.");
+              continue;
+            }
+            if (":" == cp && null === this._password) {
+              this._password = "";
+              continue;
+            }
+            var tempC = percentEscape(cp);
+            null !== this._password ? this._password += tempC : this._username += tempC;
+          }
+          buffer = "";
+        } else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) {
+          cursor -= buffer.length;
+          buffer = "";
+          state = "host";
+          continue;
+        } else {
+          buffer += c;
+        }
+        break;
+
+       case "file host":
+        if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) {
+          if (buffer.length == 2 && ALPHA.test(buffer[0]) && (buffer[1] == ":" || buffer[1] == "|")) {
+            state = "relative path";
+          } else if (buffer.length == 0) {
+            state = "relative path start";
+          } else {
+            this._host = IDNAToASCII.call(this, buffer);
+            buffer = "";
+            state = "relative path start";
+          }
+          continue;
+        } else if ("	" == c || "\n" == c || "\r" == c) {
+          err("Invalid whitespace in file host.");
+        } else {
+          buffer += c;
+        }
+        break;
+
+       case "host":
+       case "hostname":
+        if (":" == c && !seenBracket) {
+          this._host = IDNAToASCII.call(this, buffer);
+          buffer = "";
+          state = "port";
+          if ("hostname" == stateOverride) {
+            break loop;
+          }
+        } else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) {
+          this._host = IDNAToASCII.call(this, buffer);
+          buffer = "";
+          state = "relative path start";
+          if (stateOverride) {
+            break loop;
+          }
+          continue;
+        } else if ("	" != c && "\n" != c && "\r" != c) {
+          if ("[" == c) {
+            seenBracket = true;
+          } else if ("]" == c) {
+            seenBracket = false;
+          }
+          buffer += c;
+        } else {
+          err("Invalid code point in host/hostname: " + c);
+        }
+        break;
+
+       case "port":
+        if (/[0-9]/.test(c)) {
+          buffer += c;
+        } else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c || stateOverride) {
+          if ("" != buffer) {
+            var temp = parseInt(buffer, 10);
+            if (temp != relative[this._scheme]) {
+              this._port = temp + "";
+            }
+            buffer = "";
+          }
+          if (stateOverride) {
+            break loop;
+          }
+          state = "relative path start";
+          continue;
+        } else if ("	" == c || "\n" == c || "\r" == c) {
+          err("Invalid code point in port: " + c);
+        } else {
+          invalid.call(this);
+        }
+        break;
+
+       case "relative path start":
+        if ("\\" == c) err("'\\' not allowed in path.");
+        state = "relative path";
+        if ("/" != c && "\\" != c) {
+          continue;
+        }
+        break;
+
+       case "relative path":
+        if (EOF == c || "/" == c || "\\" == c || !stateOverride && ("?" == c || "#" == c)) {
+          if ("\\" == c) {
+            err("\\ not allowed in relative path.");
+          }
+          var tmp;
+          if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
+            buffer = tmp;
+          }
+          if (".." == buffer) {
+            this._path.pop();
+            if ("/" != c && "\\" != c) {
+              this._path.push("");
+            }
+          } else if ("." == buffer && "/" != c && "\\" != c) {
+            this._path.push("");
+          } else if ("." != buffer) {
+            if ("file" == this._scheme && this._path.length == 0 && buffer.length == 2 && ALPHA.test(buffer[0]) && buffer[1] == "|") {
+              buffer = buffer[0] + ":";
+            }
+            this._path.push(buffer);
+          }
+          buffer = "";
+          if ("?" == c) {
+            this._query = "?";
+            state = "query";
+          } else if ("#" == c) {
+            this._fragment = "#";
+            state = "fragment";
+          }
+        } else if ("	" != c && "\n" != c && "\r" != c) {
+          buffer += percentEscape(c);
+        }
+        break;
+
+       case "query":
+        if (!stateOverride && "#" == c) {
+          this._fragment = "#";
+          state = "fragment";
+        } else if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+          this._query += percentEscapeQuery(c);
+        }
+        break;
+
+       case "fragment":
+        if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+          this._fragment += c;
+        }
+        break;
+      }
+      cursor++;
+    }
+  }
+  function clear() {
+    this._scheme = "";
+    this._schemeData = "";
+    this._username = "";
+    this._password = null;
+    this._host = "";
+    this._port = "";
+    this._path = [];
+    this._query = "";
+    this._fragment = "";
+    this._isInvalid = false;
+    this._isRelative = false;
+  }
+  function jURL(url, base) {
+    if (base !== undefined && !(base instanceof jURL)) base = new jURL(String(base));
+    this._url = url;
+    clear.call(this);
+    var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, "");
+    parse.call(this, input, null, base);
+  }
+  jURL.prototype = {
+    toString: function() {
+      return this.href;
+    },
+    get href() {
+      if (this._isInvalid) return this._url;
+      var authority = "";
+      if ("" != this._username || null != this._password) {
+        authority = this._username + (null != this._password ? ":" + this._password : "") + "@";
+      }
+      return this.protocol + (this._isRelative ? "//" + authority + this.host : "") + this.pathname + this._query + this._fragment;
+    },
+    set href(href) {
+      clear.call(this);
+      parse.call(this, href);
+    },
+    get protocol() {
+      return this._scheme + ":";
+    },
+    set protocol(protocol) {
+      if (this._isInvalid) return;
+      parse.call(this, protocol + ":", "scheme start");
+    },
+    get host() {
+      return this._isInvalid ? "" : this._port ? this._host + ":" + this._port : this._host;
+    },
+    set host(host) {
+      if (this._isInvalid || !this._isRelative) return;
+      parse.call(this, host, "host");
+    },
+    get hostname() {
+      return this._host;
+    },
+    set hostname(hostname) {
+      if (this._isInvalid || !this._isRelative) return;
+      parse.call(this, hostname, "hostname");
+    },
+    get port() {
+      return this._port;
+    },
+    set port(port) {
+      if (this._isInvalid || !this._isRelative) return;
+      parse.call(this, port, "port");
+    },
+    get pathname() {
+      return this._isInvalid ? "" : this._isRelative ? "/" + this._path.join("/") : this._schemeData;
+    },
+    set pathname(pathname) {
+      if (this._isInvalid || !this._isRelative) return;
+      this._path = [];
+      parse.call(this, pathname, "relative path start");
+    },
+    get search() {
+      return this._isInvalid || !this._query || "?" == this._query ? "" : this._query;
+    },
+    set search(search) {
+      if (this._isInvalid || !this._isRelative) return;
+      this._query = "?";
+      if ("?" == search[0]) search = search.slice(1);
+      parse.call(this, search, "query");
+    },
+    get hash() {
+      return this._isInvalid || !this._fragment || "#" == this._fragment ? "" : this._fragment;
+    },
+    set hash(hash) {
+      if (this._isInvalid) return;
+      this._fragment = "#";
+      if ("#" == hash[0]) hash = hash.slice(1);
+      parse.call(this, hash, "fragment");
+    },
+    get origin() {
+      var host;
+      if (this._isInvalid || !this._scheme) {
+        return "";
+      }
+      switch (this._scheme) {
+       case "data":
+       case "file":
+       case "javascript":
+       case "mailto":
+        return "null";
+      }
+      host = this.host;
+      if (!host) {
+        return "";
+      }
+      return this._scheme + "://" + host;
+    }
+  };
+  var OriginalURL = scope.URL;
+  if (OriginalURL) {
+    jURL.createObjectURL = function(blob) {
+      return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
+    };
+    jURL.revokeObjectURL = function(url) {
+      OriginalURL.revokeObjectURL(url);
+    };
+  }
+  scope.URL = jURL;
+})(self);
+
+if (typeof WeakMap === "undefined") {
+  (function() {
+    var defineProperty = Object.defineProperty;
+    var counter = Date.now() % 1e9;
+    var WeakMap = function() {
+      this.name = "__st" + (Math.random() * 1e9 >>> 0) + (counter++ + "__");
+    };
+    WeakMap.prototype = {
+      set: function(key, value) {
+        var entry = key[this.name];
+        if (entry && entry[0] === key) entry[1] = value; else defineProperty(key, this.name, {
+          value: [ key, value ],
+          writable: true
+        });
+        return this;
+      },
+      get: function(key) {
+        var entry;
+        return (entry = key[this.name]) && entry[0] === key ? entry[1] : undefined;
+      },
+      "delete": function(key) {
+        var entry = key[this.name];
+        if (!entry || entry[0] !== key) return false;
+        entry[0] = entry[1] = undefined;
+        return true;
+      },
+      has: function(key) {
+        var entry = key[this.name];
+        if (!entry) return false;
+        return entry[0] === key;
+      }
+    };
+    window.WeakMap = WeakMap;
+  })();
+}
+
+(function(global) {
+  if (global.JsMutationObserver) {
+    return;
+  }
+  var registrationsTable = new WeakMap();
+  var setImmediate;
+  if (/Trident|Edge/.test(navigator.userAgent)) {
+    setImmediate = setTimeout;
+  } else if (window.setImmediate) {
+    setImmediate = window.setImmediate;
+  } else {
+    var setImmediateQueue = [];
+    var sentinel = String(Math.random());
+    window.addEventListener("message", function(e) {
+      if (e.data === sentinel) {
+        var queue = setImmediateQueue;
+        setImmediateQueue = [];
+        queue.forEach(function(func) {
+          func();
+        });
+      }
+    });
+    setImmediate = function(func) {
+      setImmediateQueue.push(func);
+      window.postMessage(sentinel, "*");
+    };
+  }
+  var isScheduled = false;
+  var scheduledObservers = [];
+  function scheduleCallback(observer) {
+    scheduledObservers.push(observer);
+    if (!isScheduled) {
+      isScheduled = true;
+      setImmediate(dispatchCallbacks);
+    }
+  }
+  function wrapIfNeeded(node) {
+    return window.ShadowDOMPolyfill && window.ShadowDOMPolyfill.wrapIfNeeded(node) || node;
+  }
+  function dispatchCallbacks() {
+    isScheduled = false;
+    var observers = scheduledObservers;
+    scheduledObservers = [];
+    observers.sort(function(o1, o2) {
+      return o1.uid_ - o2.uid_;
+    });
+    var anyNonEmpty = false;
+    observers.forEach(function(observer) {
+      var queue = observer.takeRecords();
+      removeTransientObserversFor(observer);
+      if (queue.length) {
+        observer.callback_(queue, observer);
+        anyNonEmpty = true;
+      }
+    });
+    if (anyNonEmpty) dispatchCallbacks();
+  }
+  function removeTransientObserversFor(observer) {
+    observer.nodes_.forEach(function(node) {
+      var registrations = registrationsTable.get(node);
+      if (!registrations) return;
+      registrations.forEach(function(registration) {
+        if (registration.observer === observer) registration.removeTransientObservers();
+      });
+    });
+  }
+  function forEachAncestorAndObserverEnqueueRecord(target, callback) {
+    for (var node = target; node; node = node.parentNode) {
+      var registrations = registrationsTable.get(node);
+      if (registrations) {
+        for (var j = 0; j < registrations.length; j++) {
+          var registration = registrations[j];
+          var options = registration.options;
+          if (node !== target && !options.subtree) continue;
+          var record = callback(options);
+          if (record) registration.enqueue(record);
+        }
+      }
+    }
+  }
+  var uidCounter = 0;
+  function JsMutationObserver(callback) {
+    this.callback_ = callback;
+    this.nodes_ = [];
+    this.records_ = [];
+    this.uid_ = ++uidCounter;
+  }
+  JsMutationObserver.prototype = {
+    observe: function(target, options) {
+      target = wrapIfNeeded(target);
+      if (!options.childList && !options.attributes && !options.characterData || options.attributeOldValue && !options.attributes || options.attributeFilter && options.attributeFilter.length && !options.attributes || options.characterDataOldValue && !options.characterData) {
+        throw new SyntaxError();
+      }
+      var registrations = registrationsTable.get(target);
+      if (!registrations) registrationsTable.set(target, registrations = []);
+      var registration;
+      for (var i = 0; i < registrations.length; i++) {
+        if (registrations[i].observer === this) {
+          registration = registrations[i];
+          registration.removeListeners();
+          registration.options = options;
+          break;
+        }
+      }
+      if (!registration) {
+        registration = new Registration(this, target, options);
+        registrations.push(registration);
+        this.nodes_.push(target);
+      }
+      registration.addListeners();
+    },
+    disconnect: function() {
+      this.nodes_.forEach(function(node) {
+        var registrations = registrationsTable.get(node);
+        for (var i = 0; i < registrations.length; i++) {
+          var registration = registrations[i];
+          if (registration.observer === this) {
+            registration.removeListeners();
+            registrations.splice(i, 1);
+            break;
+          }
+        }
+      }, this);
+      this.records_ = [];
+    },
+    takeRecords: function() {
+      var copyOfRecords = this.records_;
+      this.records_ = [];
+      return copyOfRecords;
+    }
+  };
+  function MutationRecord(type, target) {
+    this.type = type;
+    this.target = target;
+    this.addedNodes = [];
+    this.removedNodes = [];
+    this.previousSibling = null;
+    this.nextSibling = null;
+    this.attributeName = null;
+    this.attributeNamespace = null;
+    this.oldValue = null;
+  }
+  function copyMutationRecord(original) {
+    var record = new MutationRecord(original.type, original.target);
+    record.addedNodes = original.addedNodes.slice();
+    record.removedNodes = original.removedNodes.slice();
+    record.previousSibling = original.previousSibling;
+    record.nextSibling = original.nextSibling;
+    record.attributeName = original.attributeName;
+    record.attributeNamespace = original.attributeNamespace;
+    record.oldValue = original.oldValue;
+    return record;
+  }
+  var currentRecord, recordWithOldValue;
+  function getRecord(type, target) {
+    return currentRecord = new MutationRecord(type, target);
+  }
+  function getRecordWithOldValue(oldValue) {
+    if (recordWithOldValue) return recordWithOldValue;
+    recordWithOldValue = copyMutationRecord(currentRecord);
+    recordWithOldValue.oldValue = oldValue;
+    return recordWithOldValue;
+  }
+  function clearRecords() {
+    currentRecord = recordWithOldValue = undefined;
+  }
+  function recordRepresentsCurrentMutation(record) {
+    return record === recordWithOldValue || record === currentRecord;
+  }
+  function selectRecord(lastRecord, newRecord) {
+    if (lastRecord === newRecord) return lastRecord;
+    if (recordWithOldValue && recordRepresentsCurrentMutation(lastRecord)) return recordWithOldValue;
+    return null;
+  }
+  function Registration(observer, target, options) {
+    this.observer = observer;
+    this.target = target;
+    this.options = options;
+    this.transientObservedNodes = [];
+  }
+  Registration.prototype = {
+    enqueue: function(record) {
+      var records = this.observer.records_;
+      var length = records.length;
+      if (records.length > 0) {
+        var lastRecord = records[length - 1];
+        var recordToReplaceLast = selectRecord(lastRecord, record);
+        if (recordToReplaceLast) {
+          records[length - 1] = recordToReplaceLast;
+          return;
+        }
+      } else {
+        scheduleCallback(this.observer);
+      }
+      records[length] = record;
+    },
+    addListeners: function() {
+      this.addListeners_(this.target);
+    },
+    addListeners_: function(node) {
+      var options = this.options;
+      if (options.attributes) node.addEventListener("DOMAttrModified", this, true);
+      if (options.characterData) node.addEventListener("DOMCharacterDataModified", this, true);
+      if (options.childList) node.addEventListener("DOMNodeInserted", this, true);
+      if (options.childList || options.subtree) node.addEventListener("DOMNodeRemoved", this, true);
+    },
+    removeListeners: function() {
+      this.removeListeners_(this.target);
+    },
+    removeListeners_: function(node) {
+      var options = this.options;
+      if (options.attributes) node.removeEventListener("DOMAttrModified", this, true);
+      if (options.characterData) node.removeEventListener("DOMCharacterDataModified", this, true);
+      if (options.childList) node.removeEventListener("DOMNodeInserted", this, true);
+      if (options.childList || options.subtree) node.removeEventListener("DOMNodeRemoved", this, true);
+    },
+    addTransientObserver: function(node) {
+      if (node === this.target) return;
+      this.addListeners_(node);
+      this.transientObservedNodes.push(node);
+      var registrations = registrationsTable.get(node);
+      if (!registrations) registrationsTable.set(node, registrations = []);
+      registrations.push(this);
+    },
+    removeTransientObservers: function() {
+      var transientObservedNodes = this.transientObservedNodes;
+      this.transientObservedNodes = [];
+      transientObservedNodes.forEach(function(node) {
+        this.removeListeners_(node);
+        var registrations = registrationsTable.get(node);
+        for (var i = 0; i < registrations.length; i++) {
+          if (registrations[i] === this) {
+            registrations.splice(i, 1);
+            break;
+          }
+        }
+      }, this);
+    },
+    handleEvent: function(e) {
+      e.stopImmediatePropagation();
+      switch (e.type) {
+       case "DOMAttrModified":
+        var name = e.attrName;
+        var namespace = e.relatedNode.namespaceURI;
+        var target = e.target;
+        var record = new getRecord("attributes", target);
+        record.attributeName = name;
+        record.attributeNamespace = namespace;
+        var oldValue = e.attrChange === MutationEvent.ADDITION ? null : e.prevValue;
+        forEachAncestorAndObserverEnqueueRecord(target, function(options) {
+          if (!options.attributes) return;
+          if (options.attributeFilter && options.attributeFilter.length && options.attributeFilter.indexOf(name) === -1 && options.attributeFilter.indexOf(namespace) === -1) {
+            return;
+          }
+          if (options.attributeOldValue) return getRecordWithOldValue(oldValue);
+          return record;
+        });
+        break;
+
+       case "DOMCharacterDataModified":
+        var target = e.target;
+        var record = getRecord("characterData", target);
+        var oldValue = e.prevValue;
+        forEachAncestorAndObserverEnqueueRecord(target, function(options) {
+          if (!options.characterData) return;
+          if (options.characterDataOldValue) return getRecordWithOldValue(oldValue);
+          return record;
+        });
+        break;
+
+       case "DOMNodeRemoved":
+        this.addTransientObserver(e.target);
+
+       case "DOMNodeInserted":
+        var changedNode = e.target;
+        var addedNodes, removedNodes;
+        if (e.type === "DOMNodeInserted") {
+          addedNodes = [ changedNode ];
+          removedNodes = [];
+        } else {
+          addedNodes = [];
+          removedNodes = [ changedNode ];
+        }
+        var previousSibling = changedNode.previousSibling;
+        var nextSibling = changedNode.nextSibling;
+        var record = getRecord("childList", e.target.parentNode);
+        record.addedNodes = addedNodes;
+        record.removedNodes = removedNodes;
+        record.previousSibling = previousSibling;
+        record.nextSibling = nextSibling;
+        forEachAncestorAndObserverEnqueueRecord(e.relatedNode, function(options) {
+          if (!options.childList) return;
+          return record;
+        });
+      }
+      clearRecords();
+    }
+  };
+  global.JsMutationObserver = JsMutationObserver;
+  if (!global.MutationObserver) {
+    global.MutationObserver = JsMutationObserver;
+    JsMutationObserver._isPolyfilled = true;
+  }
+})(self);
+
+(function() {
+  var needsTemplate = typeof HTMLTemplateElement === "undefined";
+  if (/Trident/.test(navigator.userAgent)) {
+    (function() {
+      var importNode = document.importNode;
+      document.importNode = function() {
+        var n = importNode.apply(document, arguments);
+        if (n.nodeType === Node.DOCUMENT_FRAGMENT_NODE) {
+          var f = document.createDocumentFragment();
+          f.appendChild(n);
+          return f;
+        } else {
+          return n;
+        }
+      };
+    })();
+  }
+  var needsCloning = function() {
+    if (!needsTemplate) {
+      var t = document.createElement("template");
+      var t2 = document.createElement("template");
+      t2.content.appendChild(document.createElement("div"));
+      t.content.appendChild(t2);
+      var clone = t.cloneNode(true);
+      return clone.content.childNodes.length === 0 || clone.content.firstChild.content.childNodes.length === 0;
+    }
+  }();
+  var TEMPLATE_TAG = "template";
+  var TemplateImpl = function() {};
+  if (needsTemplate) {
+    var contentDoc = document.implementation.createHTMLDocument("template");
+    var canDecorate = true;
+    var templateStyle = document.createElement("style");
+    templateStyle.textContent = TEMPLATE_TAG + "{display:none;}";
+    var head = document.head;
+    head.insertBefore(templateStyle, head.firstElementChild);
+    TemplateImpl.prototype = Object.create(HTMLElement.prototype);
+    TemplateImpl.decorate = function(template) {
+      if (template.content) {
+        return;
+      }
+      template.content = contentDoc.createDocumentFragment();
+      var child;
+      while (child = template.firstChild) {
+        template.content.appendChild(child);
+      }
+      template.cloneNode = function(deep) {
+        return TemplateImpl.cloneNode(this, deep);
+      };
+      if (canDecorate) {
+        try {
+          Object.defineProperty(template, "innerHTML", {
+            get: function() {
+              var o = "";
+              for (var e = this.content.firstChild; e; e = e.nextSibling) {
+                o += e.outerHTML || escapeData(e.data);
+              }
+              return o;
+            },
+            set: function(text) {
+              contentDoc.body.innerHTML = text;
+              TemplateImpl.bootstrap(contentDoc);
+              while (this.content.firstChild) {
+                this.content.removeChild(this.content.firstChild);
+              }
+              while (contentDoc.body.firstChild) {
+                this.content.appendChild(contentDoc.body.firstChild);
+              }
+            },
+            configurable: true
+          });
+        } catch (err) {
+          canDecorate = false;
+        }
+      }
+      TemplateImpl.bootstrap(template.content);
+    };
+    TemplateImpl.bootstrap = function(doc) {
+      var templates = doc.querySelectorAll(TEMPLATE_TAG);
+      for (var i = 0, l = templates.length, t; i < l && (t = templates[i]); i++) {
+        TemplateImpl.decorate(t);
+      }
+    };
+    document.addEventListener("DOMContentLoaded", function() {
+      TemplateImpl.bootstrap(document);
+    });
+    var createElement = document.createElement;
+    document.createElement = function() {
+      "use strict";
+      var el = createElement.apply(document, arguments);
+      if (el.localName === "template") {
+        TemplateImpl.decorate(el);
+      }
+      return el;
+    };
+    var escapeDataRegExp = /[&\u00A0<>]/g;
+    function escapeReplace(c) {
+      switch (c) {
+       case "&":
+        return "&amp;";
+
+       case "<":
+        return "&lt;";
+
+       case ">":
+        return "&gt;";
+
+       case " ":
+        return "&nbsp;";
+      }
+    }
+    function escapeData(s) {
+      return s.replace(escapeDataRegExp, escapeReplace);
+    }
+  }
+  if (needsTemplate || needsCloning) {
+    var nativeCloneNode = Node.prototype.cloneNode;
+    TemplateImpl.cloneNode = function(template, deep) {
+      var clone = nativeCloneNode.call(template, false);
+      if (this.decorate) {
+        this.decorate(clone);
+      }
+      if (deep) {
+        clone.content.appendChild(nativeCloneNode.call(template.content, true));
+        this.fixClonedDom(clone.content, template.content);
+      }
+      return clone;
+    };
+    TemplateImpl.fixClonedDom = function(clone, source) {
+      if (!source.querySelectorAll) return;
+      var s$ = source.querySelectorAll(TEMPLATE_TAG);
+      var t$ = clone.querySelectorAll(TEMPLATE_TAG);
+      for (var i = 0, l = t$.length, t, s; i < l; i++) {
+        s = s$[i];
+        t = t$[i];
+        if (this.decorate) {
+          this.decorate(s);
+        }
+        t.parentNode.replaceChild(s.cloneNode(true), t);
+      }
+    };
+    var originalImportNode = document.importNode;
+    Node.prototype.cloneNode = function(deep) {
+      var dom = nativeCloneNode.call(this, deep);
+      if (deep) {
+        TemplateImpl.fixClonedDom(dom, this);
+      }
+      return dom;
+    };
+    document.importNode = function(element, deep) {
+      if (element.localName === TEMPLATE_TAG) {
+        return TemplateImpl.cloneNode(element, deep);
+      } else {
+        var dom = originalImportNode.call(document, element, deep);
+        if (deep) {
+          TemplateImpl.fixClonedDom(dom, element);
+        }
+        return dom;
+      }
+    };
+    if (needsCloning) {
+      HTMLTemplateElement.prototype.cloneNode = function(deep) {
+        return TemplateImpl.cloneNode(this, deep);
+      };
+    }
+  }
+  if (needsTemplate) {
+    window.HTMLTemplateElement = TemplateImpl;
+  }
+})();
+
+(function(scope) {
+  "use strict";
+  if (!window.performance) {
+    var start = Date.now();
+    window.performance = {
+      now: function() {
+        return Date.now() - start;
+      }
+    };
+  }
+  if (!window.requestAnimationFrame) {
+    window.requestAnimationFrame = function() {
+      var nativeRaf = window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
+      return nativeRaf ? function(callback) {
+        return nativeRaf(function() {
+          callback(performance.now());
+        });
+      } : function(callback) {
+        return window.setTimeout(callback, 1e3 / 60);
+      };
+    }();
+  }
+  if (!window.cancelAnimationFrame) {
+    window.cancelAnimationFrame = function() {
+      return window.webkitCancelAnimationFrame || window.mozCancelAnimationFrame || function(id) {
+        clearTimeout(id);
+      };
+    }();
+  }
+  var workingDefaultPrevented = function() {
+    var e = document.createEvent("Event");
+    e.initEvent("foo", true, true);
+    e.preventDefault();
+    return e.defaultPrevented;
+  }();
+  if (!workingDefaultPrevented) {
+    var origPreventDefault = Event.prototype.preventDefault;
+    Event.prototype.preventDefault = function() {
+      if (!this.cancelable) {
+        return;
+      }
+      origPreventDefault.call(this);
+      Object.defineProperty(this, "defaultPrevented", {
+        get: function() {
+          return true;
+        },
+        configurable: true
+      });
+    };
+  }
+  var isIE = /Trident/.test(navigator.userAgent);
+  if (!window.CustomEvent || isIE && typeof window.CustomEvent !== "function") {
+    window.CustomEvent = function(inType, params) {
+      params = params || {};
+      var e = document.createEvent("CustomEvent");
+      e.initCustomEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable), params.detail);
+      return e;
+    };
+    window.CustomEvent.prototype = window.Event.prototype;
+  }
+  if (!window.Event || isIE && typeof window.Event !== "function") {
+    var origEvent = window.Event;
+    window.Event = function(inType, params) {
+      params = params || {};
+      var e = document.createEvent("Event");
+      e.initEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable));
+      return e;
+    };
+    window.Event.prototype = origEvent.prototype;
+  }
+})(window.WebComponents);
+
+window.HTMLImports = window.HTMLImports || {
+  flags: {}
+};
+
+(function(scope) {
+  var IMPORT_LINK_TYPE = "import";
+  var useNative = Boolean(IMPORT_LINK_TYPE in document.createElement("link"));
+  var hasShadowDOMPolyfill = Boolean(window.ShadowDOMPolyfill);
+  var wrap = function(node) {
+    return hasShadowDOMPolyfill ? window.ShadowDOMPolyfill.wrapIfNeeded(node) : node;
+  };
+  var rootDocument = wrap(document);
+  var currentScriptDescriptor = {
+    get: function() {
+      var script = window.HTMLImports.currentScript || document.currentScript || (document.readyState !== "complete" ? document.scripts[document.scripts.length - 1] : null);
+      return wrap(script);
+    },
+    configurable: true
+  };
+  Object.defineProperty(document, "_currentScript", currentScriptDescriptor);
+  Object.defineProperty(rootDocument, "_currentScript", currentScriptDescriptor);
+  var isIE = /Trident/.test(navigator.userAgent);
+  function whenReady(callback, doc) {
+    doc = doc || rootDocument;
+    whenDocumentReady(function() {
+      watchImportsLoad(callback, doc);
+    }, doc);
+  }
+  var requiredReadyState = isIE ? "complete" : "interactive";
+  var READY_EVENT = "readystatechange";
+  function isDocumentReady(doc) {
+    return doc.readyState === "complete" || doc.readyState === requiredReadyState;
+  }
+  function whenDocumentReady(callback, doc) {
+    if (!isDocumentReady(doc)) {
+      var checkReady = function() {
+        if (doc.readyState === "complete" || doc.readyState === requiredReadyState) {
+          doc.removeEventListener(READY_EVENT, checkReady);
+          whenDocumentReady(callback, doc);
+        }
+      };
+      doc.addEventListener(READY_EVENT, checkReady);
+    } else if (callback) {
+      callback();
+    }
+  }
+  function markTargetLoaded(event) {
+    event.target.__loaded = true;
+  }
+  function watchImportsLoad(callback, doc) {
+    var imports = doc.querySelectorAll("link[rel=import]");
+    var parsedCount = 0, importCount = imports.length, newImports = [], errorImports = [];
+    function checkDone() {
+      if (parsedCount == importCount && callback) {
+        callback({
+          allImports: imports,
+          loadedImports: newImports,
+          errorImports: errorImports
+        });
+      }
+    }
+    function loadedImport(e) {
+      markTargetLoaded(e);
+      newImports.push(this);
+      parsedCount++;
+      checkDone();
+    }
+    function errorLoadingImport(e) {
+      errorImports.push(this);
+      parsedCount++;
+      checkDone();
+    }
+    if (importCount) {
+      for (var i = 0, imp; i < importCount && (imp = imports[i]); i++) {
+        if (isImportLoaded(imp)) {
+          newImports.push(this);
+          parsedCount++;
+          checkDone();
+        } else {
+          imp.addEventListener("load", loadedImport);
+          imp.addEventListener("error", errorLoadingImport);
+        }
+      }
+    } else {
+      checkDone();
+    }
+  }
+  function isImportLoaded(link) {
+    return useNative ? link.__loaded || link.import && link.import.readyState !== "loading" : link.__importParsed;
+  }
+  if (useNative) {
+    new MutationObserver(function(mxns) {
+      for (var i = 0, l = mxns.length, m; i < l && (m = mxns[i]); i++) {
+        if (m.addedNodes) {
+          handleImports(m.addedNodes);
+        }
+      }
+    }).observe(document.head, {
+      childList: true
+    });
+    function handleImports(nodes) {
+      for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+        if (isImport(n)) {
+          handleImport(n);
+        }
+      }
+    }
+    function isImport(element) {
+      return element.localName === "link" && element.rel === "import";
+    }
+    function handleImport(element) {
+      var loaded = element.import;
+      if (loaded) {
+        markTargetLoaded({
+          target: element
+        });
+      } else {
+        element.addEventListener("load", markTargetLoaded);
+        element.addEventListener("error", markTargetLoaded);
+      }
+    }
+    (function() {
+      if (document.readyState === "loading") {
+        var imports = document.querySelectorAll("link[rel=import]");
+        for (var i = 0, l = imports.length, imp; i < l && (imp = imports[i]); i++) {
+          handleImport(imp);
+        }
+      }
+    })();
+  }
+  whenReady(function(detail) {
+    window.HTMLImports.ready = true;
+    window.HTMLImports.readyTime = new Date().getTime();
+    var evt = rootDocument.createEvent("CustomEvent");
+    evt.initCustomEvent("HTMLImportsLoaded", true, true, detail);
+    rootDocument.dispatchEvent(evt);
+  });
+  scope.IMPORT_LINK_TYPE = IMPORT_LINK_TYPE;
+  scope.useNative = useNative;
+  scope.rootDocument = rootDocument;
+  scope.whenReady = whenReady;
+  scope.isIE = isIE;
+})(window.HTMLImports);
+
+(function(scope) {
+  var modules = [];
+  var addModule = function(module) {
+    modules.push(module);
+  };
+  var initializeModules = function() {
+    modules.forEach(function(module) {
+      module(scope);
+    });
+  };
+  scope.addModule = addModule;
+  scope.initializeModules = initializeModules;
+})(window.HTMLImports);
+
+window.HTMLImports.addModule(function(scope) {
+  var CSS_URL_REGEXP = /(url\()([^)]*)(\))/g;
+  var CSS_IMPORT_REGEXP = /(@import[\s]+(?!url\())([^;]*)(;)/g;
+  var path = {
+    resolveUrlsInStyle: function(style, linkUrl) {
+      var doc = style.ownerDocument;
+      var resolver = doc.createElement("a");
+      style.textContent = this.resolveUrlsInCssText(style.textContent, linkUrl, resolver);
+      return style;
+    },
+    resolveUrlsInCssText: function(cssText, linkUrl, urlObj) {
+      var r = this.replaceUrls(cssText, urlObj, linkUrl, CSS_URL_REGEXP);
+      r = this.replaceUrls(r, urlObj, linkUrl, CSS_IMPORT_REGEXP);
+      return r;
+    },
+    replaceUrls: function(text, urlObj, linkUrl, regexp) {
+      return text.replace(regexp, function(m, pre, url, post) {
+        var urlPath = url.replace(/["']/g, "");
+        if (linkUrl) {
+          urlPath = new URL(urlPath, linkUrl).href;
+        }
+        urlObj.href = urlPath;
+        urlPath = urlObj.href;
+        return pre + "'" + urlPath + "'" + post;
+      });
+    }
+  };
+  scope.path = path;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var xhr = {
+    async: true,
+    ok: function(request) {
+      return request.status >= 200 && request.status < 300 || request.status === 304 || request.status === 0;
+    },
+    load: function(url, next, nextContext) {
+      var request = new XMLHttpRequest();
+      if (scope.flags.debug || scope.flags.bust) {
+        url += "?" + Math.random();
+      }
+      request.open("GET", url, xhr.async);
+      request.addEventListener("readystatechange", function(e) {
+        if (request.readyState === 4) {
+          var redirectedUrl = null;
+          try {
+            var locationHeader = request.getResponseHeader("Location");
+            if (locationHeader) {
+              redirectedUrl = locationHeader.substr(0, 1) === "/" ? location.origin + locationHeader : locationHeader;
+            }
+          } catch (e) {
+            console.error(e.message);
+          }
+          next.call(nextContext, !xhr.ok(request) && request, request.response || request.responseText, redirectedUrl);
+        }
+      });
+      request.send();
+      return request;
+    },
+    loadDocument: function(url, next, nextContext) {
+      this.load(url, next, nextContext).responseType = "document";
+    }
+  };
+  scope.xhr = xhr;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var xhr = scope.xhr;
+  var flags = scope.flags;
+  var Loader = function(onLoad, onComplete) {
+    this.cache = {};
+    this.onload = onLoad;
+    this.oncomplete = onComplete;
+    this.inflight = 0;
+    this.pending = {};
+  };
+  Loader.prototype = {
+    addNodes: function(nodes) {
+      this.inflight += nodes.length;
+      for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+        this.require(n);
+      }
+      this.checkDone();
+    },
+    addNode: function(node) {
+      this.inflight++;
+      this.require(node);
+      this.checkDone();
+    },
+    require: function(elt) {
+      var url = elt.src || elt.href;
+      elt.__nodeUrl = url;
+      if (!this.dedupe(url, elt)) {
+        this.fetch(url, elt);
+      }
+    },
+    dedupe: function(url, elt) {
+      if (this.pending[url]) {
+        this.pending[url].push(elt);
+        return true;
+      }
+      var resource;
+      if (this.cache[url]) {
+        this.onload(url, elt, this.cache[url]);
+        this.tail();
+        return true;
+      }
+      this.pending[url] = [ elt ];
+      return false;
+    },
+    fetch: function(url, elt) {
+      flags.load && console.log("fetch", url, elt);
+      if (!url) {
+        setTimeout(function() {
+          this.receive(url, elt, {
+            error: "href must be specified"
+          }, null);
+        }.bind(this), 0);
+      } else if (url.match(/^data:/)) {
+        var pieces = url.split(",");
+        var header = pieces[0];
+        var body = pieces[1];
+        if (header.indexOf(";base64") > -1) {
+          body = atob(body);
+        } else {
+          body = decodeURIComponent(body);
+        }
+        setTimeout(function() {
+          this.receive(url, elt, null, body);
+        }.bind(this), 0);
+      } else {
+        var receiveXhr = function(err, resource, redirectedUrl) {
+          this.receive(url, elt, err, resource, redirectedUrl);
+        }.bind(this);
+        xhr.load(url, receiveXhr);
+      }
+    },
+    receive: function(url, elt, err, resource, redirectedUrl) {
+      this.cache[url] = resource;
+      var $p = this.pending[url];
+      for (var i = 0, l = $p.length, p; i < l && (p = $p[i]); i++) {
+        this.onload(url, p, resource, err, redirectedUrl);
+        this.tail();
+      }
+      this.pending[url] = null;
+    },
+    tail: function() {
+      --this.inflight;
+      this.checkDone();
+    },
+    checkDone: function() {
+      if (!this.inflight) {
+        this.oncomplete();
+      }
+    }
+  };
+  scope.Loader = Loader;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var Observer = function(addCallback) {
+    this.addCallback = addCallback;
+    this.mo = new MutationObserver(this.handler.bind(this));
+  };
+  Observer.prototype = {
+    handler: function(mutations) {
+      for (var i = 0, l = mutations.length, m; i < l && (m = mutations[i]); i++) {
+        if (m.type === "childList" && m.addedNodes.length) {
+          this.addedNodes(m.addedNodes);
+        }
+      }
+    },
+    addedNodes: function(nodes) {
+      if (this.addCallback) {
+        this.addCallback(nodes);
+      }
+      for (var i = 0, l = nodes.length, n, loading; i < l && (n = nodes[i]); i++) {
+        if (n.children && n.children.length) {
+          this.addedNodes(n.children);
+        }
+      }
+    },
+    observe: function(root) {
+      this.mo.observe(root, {
+        childList: true,
+        subtree: true
+      });
+    }
+  };
+  scope.Observer = Observer;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var path = scope.path;
+  var rootDocument = scope.rootDocument;
+  var flags = scope.flags;
+  var isIE = scope.isIE;
+  var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
+  var IMPORT_SELECTOR = "link[rel=" + IMPORT_LINK_TYPE + "]";
+  var importParser = {
+    documentSelectors: IMPORT_SELECTOR,
+    importsSelectors: [ IMPORT_SELECTOR, "link[rel=stylesheet]:not([type])", "style:not([type])", "script:not([type])", 'script[type="application/javascript"]', 'script[type="text/javascript"]' ].join(","),
+    map: {
+      link: "parseLink",
+      script: "parseScript",
+      style: "parseStyle"
+    },
+    dynamicElements: [],
+    parseNext: function() {
+      var next = this.nextToParse();
+      if (next) {
+        this.parse(next);
+      }
+    },
+    parse: function(elt) {
+      if (this.isParsed(elt)) {
+        flags.parse && console.log("[%s] is already parsed", elt.localName);
+        return;
+      }
+      var fn = this[this.map[elt.localName]];
+      if (fn) {
+        this.markParsing(elt);
+        fn.call(this, elt);
+      }
+    },
+    parseDynamic: function(elt, quiet) {
+      this.dynamicElements.push(elt);
+      if (!quiet) {
+        this.parseNext();
+      }
+    },
+    markParsing: function(elt) {
+      flags.parse && console.log("parsing", elt);
+      this.parsingElement = elt;
+    },
+    markParsingComplete: function(elt) {
+      elt.__importParsed = true;
+      this.markDynamicParsingComplete(elt);
+      if (elt.__importElement) {
+        elt.__importElement.__importParsed = true;
+        this.markDynamicParsingComplete(elt.__importElement);
+      }
+      this.parsingElement = null;
+      flags.parse && console.log("completed", elt);
+    },
+    markDynamicParsingComplete: function(elt) {
+      var i = this.dynamicElements.indexOf(elt);
+      if (i >= 0) {
+        this.dynamicElements.splice(i, 1);
+      }
+    },
+    parseImport: function(elt) {
+      elt.import = elt.__doc;
+      if (window.HTMLImports.__importsParsingHook) {
+        window.HTMLImports.__importsParsingHook(elt);
+      }
+      if (elt.import) {
+        elt.import.__importParsed = true;
+      }
+      this.markParsingComplete(elt);
+      if (elt.__resource && !elt.__error) {
+        elt.dispatchEvent(new CustomEvent("load", {
+          bubbles: false
+        }));
+      } else {
+        elt.dispatchEvent(new CustomEvent("error", {
+          bubbles: false
+        }));
+      }
+      if (elt.__pending) {
+        var fn;
+        while (elt.__pending.length) {
+          fn = elt.__pending.shift();
+          if (fn) {
+            fn({
+              target: elt
+            });
+          }
+        }
+      }
+      this.parseNext();
+    },
+    parseLink: function(linkElt) {
+      if (nodeIsImport(linkElt)) {
+        this.parseImport(linkElt);
+      } else {
+        linkElt.href = linkElt.href;
+        this.parseGeneric(linkElt);
+      }
+    },
+    parseStyle: function(elt) {
+      var src = elt;
+      elt = cloneStyle(elt);
+      src.__appliedElement = elt;
+      elt.__importElement = src;
+      this.parseGeneric(elt);
+    },
+    parseGeneric: function(elt) {
+      this.trackElement(elt);
+      this.addElementToDocument(elt);
+    },
+    rootImportForElement: function(elt) {
+      var n = elt;
+      while (n.ownerDocument.__importLink) {
+        n = n.ownerDocument.__importLink;
+      }
+      return n;
+    },
+    addElementToDocument: function(elt) {
+      var port = this.rootImportForElement(elt.__importElement || elt);
+      port.parentNode.insertBefore(elt, port);
+    },
+    trackElement: function(elt, callback) {
+      var self = this;
+      var done = function(e) {
+        elt.removeEventListener("load", done);
+        elt.removeEventListener("error", done);
+        if (callback) {
+          callback(e);
+        }
+        self.markParsingComplete(elt);
+        self.parseNext();
+      };
+      elt.addEventListener("load", done);
+      elt.addEventListener("error", done);
+      if (isIE && elt.localName === "style") {
+        var fakeLoad = false;
+        if (elt.textContent.indexOf("@import") == -1) {
+          fakeLoad = true;
+        } else if (elt.sheet) {
+          fakeLoad = true;
+          var csr = elt.sheet.cssRules;
+          var len = csr ? csr.length : 0;
+          for (var i = 0, r; i < len && (r = csr[i]); i++) {
+            if (r.type === CSSRule.IMPORT_RULE) {
+              fakeLoad = fakeLoad && Boolean(r.styleSheet);
+            }
+          }
+        }
+        if (fakeLoad) {
+          setTimeout(function() {
+            elt.dispatchEvent(new CustomEvent("load", {
+              bubbles: false
+            }));
+          });
+        }
+      }
+    },
+    parseScript: function(scriptElt) {
+      var script = document.createElement("script");
+      script.__importElement = scriptElt;
+      script.src = scriptElt.src ? scriptElt.src : generateScriptDataUrl(scriptElt);
+      scope.currentScript = scriptElt;
+      this.trackElement(script, function(e) {
+        if (script.parentNode) {
+          script.parentNode.removeChild(script);
+        }
+        scope.currentScript = null;
+      });
+      this.addElementToDocument(script);
+    },
+    nextToParse: function() {
+      this._mayParse = [];
+      return !this.parsingElement && (this.nextToParseInDoc(rootDocument) || this.nextToParseDynamic());
+    },
+    nextToParseInDoc: function(doc, link) {
+      if (doc && this._mayParse.indexOf(doc) < 0) {
+        this._mayParse.push(doc);
+        var nodes = doc.querySelectorAll(this.parseSelectorsForNode(doc));
+        for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+          if (!this.isParsed(n)) {
+            if (this.hasResource(n)) {
+              return nodeIsImport(n) ? this.nextToParseInDoc(n.__doc, n) : n;
+            } else {
+              return;
+            }
+          }
+        }
+      }
+      return link;
+    },
+    nextToParseDynamic: function() {
+      return this.dynamicElements[0];
+    },
+    parseSelectorsForNode: function(node) {
+      var doc = node.ownerDocument || node;
+      return doc === rootDocument ? this.documentSelectors : this.importsSelectors;
+    },
+    isParsed: function(node) {
+      return node.__importParsed;
+    },
+    needsDynamicParsing: function(elt) {
+      return this.dynamicElements.indexOf(elt) >= 0;
+    },
+    hasResource: function(node) {
+      if (nodeIsImport(node) && node.__doc === undefined) {
+        return false;
+      }
+      return true;
+    }
+  };
+  function nodeIsImport(elt) {
+    return elt.localName === "link" && elt.rel === IMPORT_LINK_TYPE;
+  }
+  function generateScriptDataUrl(script) {
+    var scriptContent = generateScriptContent(script);
+    return "data:text/javascript;charset=utf-8," + encodeURIComponent(scriptContent);
+  }
+  function generateScriptContent(script) {
+    return script.textContent + generateSourceMapHint(script);
+  }
+  function generateSourceMapHint(script) {
+    var owner = script.ownerDocument;
+    owner.__importedScripts = owner.__importedScripts || 0;
+    var moniker = script.ownerDocument.baseURI;
+    var num = owner.__importedScripts ? "-" + owner.__importedScripts : "";
+    owner.__importedScripts++;
+    return "\n//# sourceURL=" + moniker + num + ".js\n";
+  }
+  function cloneStyle(style) {
+    var clone = style.ownerDocument.createElement("style");
+    clone.textContent = style.textContent;
+    path.resolveUrlsInStyle(clone);
+    return clone;
+  }
+  scope.parser = importParser;
+  scope.IMPORT_SELECTOR = IMPORT_SELECTOR;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var flags = scope.flags;
+  var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
+  var IMPORT_SELECTOR = scope.IMPORT_SELECTOR;
+  var rootDocument = scope.rootDocument;
+  var Loader = scope.Loader;
+  var Observer = scope.Observer;
+  var parser = scope.parser;
+  var importer = {
+    documents: {},
+    documentPreloadSelectors: IMPORT_SELECTOR,
+    importsPreloadSelectors: [ IMPORT_SELECTOR ].join(","),
+    loadNode: function(node) {
+      importLoader.addNode(node);
+    },
+    loadSubtree: function(parent) {
+      var nodes = this.marshalNodes(parent);
+      importLoader.addNodes(nodes);
+    },
+    marshalNodes: function(parent) {
+      return parent.querySelectorAll(this.loadSelectorsForNode(parent));
+    },
+    loadSelectorsForNode: function(node) {
+      var doc = node.ownerDocument || node;
+      return doc === rootDocument ? this.documentPreloadSelectors : this.importsPreloadSelectors;
+    },
+    loaded: function(url, elt, resource, err, redirectedUrl) {
+      flags.load && console.log("loaded", url, elt);
+      elt.__resource = resource;
+      elt.__error = err;
+      if (isImportLink(elt)) {
+        var doc = this.documents[url];
+        if (doc === undefined) {
+          doc = err ? null : makeDocument(resource, redirectedUrl || url);
+          if (doc) {
+            doc.__importLink = elt;
+            this.bootDocument(doc);
+          }
+          this.documents[url] = doc;
+        }
+        elt.__doc = doc;
+      }
+      parser.parseNext();
+    },
+    bootDocument: function(doc) {
+      this.loadSubtree(doc);
+      this.observer.observe(doc);
+      parser.parseNext();
+    },
+    loadedAll: function() {
+      parser.parseNext();
+    }
+  };
+  var importLoader = new Loader(importer.loaded.bind(importer), importer.loadedAll.bind(importer));
+  importer.observer = new Observer();
+  function isImportLink(elt) {
+    return isLinkRel(elt, IMPORT_LINK_TYPE);
+  }
+  function isLinkRel(elt, rel) {
+    return elt.localName === "link" && elt.getAttribute("rel") === rel;
+  }
+  function hasBaseURIAccessor(doc) {
+    return !!Object.getOwnPropertyDescriptor(doc, "baseURI");
+  }
+  function makeDocument(resource, url) {
+    var doc = document.implementation.createHTMLDocument(IMPORT_LINK_TYPE);
+    doc._URL = url;
+    var base = doc.createElement("base");
+    base.setAttribute("href", url);
+    if (!doc.baseURI && !hasBaseURIAccessor(doc)) {
+      Object.defineProperty(doc, "baseURI", {
+        value: url
+      });
+    }
+    var meta = doc.createElement("meta");
+    meta.setAttribute("charset", "utf-8");
+    doc.head.appendChild(meta);
+    doc.head.appendChild(base);
+    doc.body.innerHTML = resource;
+    if (window.HTMLTemplateElement && HTMLTemplateElement.bootstrap) {
+      HTMLTemplateElement.bootstrap(doc);
+    }
+    return doc;
+  }
+  if (!document.baseURI) {
+    var baseURIDescriptor = {
+      get: function() {
+        var base = document.querySelector("base");
+        return base ? base.href : window.location.href;
+      },
+      configurable: true
+    };
+    Object.defineProperty(document, "baseURI", baseURIDescriptor);
+    Object.defineProperty(rootDocument, "baseURI", baseURIDescriptor);
+  }
+  scope.importer = importer;
+  scope.importLoader = importLoader;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var parser = scope.parser;
+  var importer = scope.importer;
+  var dynamic = {
+    added: function(nodes) {
+      var owner, parsed, loading;
+      for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+        if (!owner) {
+          owner = n.ownerDocument;
+          parsed = parser.isParsed(owner);
+        }
+        loading = this.shouldLoadNode(n);
+        if (loading) {
+          importer.loadNode(n);
+        }
+        if (this.shouldParseNode(n) && parsed) {
+          parser.parseDynamic(n, loading);
+        }
+      }
+    },
+    shouldLoadNode: function(node) {
+      return node.nodeType === 1 && matches.call(node, importer.loadSelectorsForNode(node));
+    },
+    shouldParseNode: function(node) {
+      return node.nodeType === 1 && matches.call(node, parser.parseSelectorsForNode(node));
+    }
+  };
+  importer.observer.addCallback = dynamic.added.bind(dynamic);
+  var matches = HTMLElement.prototype.matches || HTMLElement.prototype.matchesSelector || HTMLElement.prototype.webkitMatchesSelector || HTMLElement.prototype.mozMatchesSelector || HTMLElement.prototype.msMatchesSelector;
+});
+
+(function(scope) {
+  var initializeModules = scope.initializeModules;
+  var isIE = scope.isIE;
+  if (scope.useNative) {
+    return;
+  }
+  initializeModules();
+  var rootDocument = scope.rootDocument;
+  function bootstrap() {
+    window.HTMLImports.importer.bootDocument(rootDocument);
+  }
+  if (document.readyState === "complete" || document.readyState === "interactive" && !window.attachEvent) {
+    bootstrap();
+  } else {
+    document.addEventListener("DOMContentLoaded", bootstrap);
+  }
+})(window.HTMLImports);
+
+window.CustomElements = window.CustomElements || {
+  flags: {}
+};
+
+(function(scope) {
+  var flags = scope.flags;
+  var modules = [];
+  var addModule = function(module) {
+    modules.push(module);
+  };
+  var initializeModules = function() {
+    modules.forEach(function(module) {
+      module(scope);
+    });
+  };
+  scope.addModule = addModule;
+  scope.initializeModules = initializeModules;
+  scope.hasNative = Boolean(document.registerElement);
+  scope.isIE = /Trident/.test(navigator.userAgent);
+  scope.useNative = !flags.register && scope.hasNative && !window.ShadowDOMPolyfill && (!window.HTMLImports || window.HTMLImports.useNative);
+})(window.CustomElements);
+
+window.CustomElements.addModule(function(scope) {
+  var IMPORT_LINK_TYPE = window.HTMLImports ? window.HTMLImports.IMPORT_LINK_TYPE : "none";
+  function forSubtree(node, cb) {
+    findAllElements(node, function(e) {
+      if (cb(e)) {
+        return true;
+      }
+      forRoots(e, cb);
+    });
+    forRoots(node, cb);
+  }
+  function findAllElements(node, find, data) {
+    var e = node.firstElementChild;
+    if (!e) {
+      e = node.firstChild;
+      while (e && e.nodeType !== Node.ELEMENT_NODE) {
+        e = e.nextSibling;
+      }
+    }
+    while (e) {
+      if (find(e, data) !== true) {
+        findAllElements(e, find, data);
+      }
+      e = e.nextElementSibling;
+    }
+    return null;
+  }
+  function forRoots(node, cb) {
+    var root = node.shadowRoot;
+    while (root) {
+      forSubtree(root, cb);
+      root = root.olderShadowRoot;
+    }
+  }
+  function forDocumentTree(doc, cb) {
+    _forDocumentTree(doc, cb, []);
+  }
+  function _forDocumentTree(doc, cb, processingDocuments) {
+    doc = window.wrap(doc);
+    if (processingDocuments.indexOf(doc) >= 0) {
+      return;
+    }
+    processingDocuments.push(doc);
+    var imports = doc.querySelectorAll("link[rel=" + IMPORT_LINK_TYPE + "]");
+    for (var i = 0, l = imports.length, n; i < l && (n = imports[i]); i++) {
+      if (n.import) {
+        _forDocumentTree(n.import, cb, processingDocuments);
+      }
+    }
+    cb(doc);
+  }
+  scope.forDocumentTree = forDocumentTree;
+  scope.forSubtree = forSubtree;
+});
+
+window.CustomElements.addModule(function(scope) {
+  var flags = scope.flags;
+  var forSubtree = scope.forSubtree;
+  var forDocumentTree = scope.forDocumentTree;
+  function addedNode(node, isAttached) {
+    return added(node, isAttached) || addedSubtree(node, isAttached);
+  }
+  function added(node, isAttached) {
+    if (scope.upgrade(node, isAttached)) {
+      return true;
+    }
+    if (isAttached) {
+      attached(node);
+    }
+  }
+  function addedSubtree(node, isAttached) {
+    forSubtree(node, function(e) {
+      if (added(e, isAttached)) {
+        return true;
+      }
+    });
+  }
+  var hasThrottledAttached = window.MutationObserver._isPolyfilled && flags["throttle-attached"];
+  scope.hasPolyfillMutations = hasThrottledAttached;
+  scope.hasThrottledAttached = hasThrottledAttached;
+  var isPendingMutations = false;
+  var pendingMutations = [];
+  function deferMutation(fn) {
+    pendingMutations.push(fn);
+    if (!isPendingMutations) {
+      isPendingMutations = true;
+      setTimeout(takeMutations);
+    }
+  }
+  function takeMutations() {
+    isPendingMutations = false;
+    var $p = pendingMutations;
+    for (var i = 0, l = $p.length, p; i < l && (p = $p[i]); i++) {
+      p();
+    }
+    pendingMutations = [];
+  }
+  function attached(element) {
+    if (hasThrottledAttached) {
+      deferMutation(function() {
+        _attached(element);
+      });
+    } else {
+      _attached(element);
+    }
+  }
+  function _attached(element) {
+    if (element.__upgraded__ && !element.__attached) {
+      element.__attached = true;
+      if (element.attachedCallback) {
+        element.attachedCallback();
+      }
+    }
+  }
+  function detachedNode(node) {
+    detached(node);
+    forSubtree(node, function(e) {
+      detached(e);
+    });
+  }
+  function detached(element) {
+    if (hasThrottledAttached) {
+      deferMutation(function() {
+        _detached(element);
+      });
+    } else {
+      _detached(element);
+    }
+  }
+  function _detached(element) {
+    if (element.__upgraded__ && element.__attached) {
+      element.__attached = false;
+      if (element.detachedCallback) {
+        element.detachedCallback();
+      }
+    }
+  }
+  function inDocument(element) {
+    var p = element;
+    var doc = window.wrap(document);
+    while (p) {
+      if (p == doc) {
+        return true;
+      }
+      p = p.parentNode || p.nodeType === Node.DOCUMENT_FRAGMENT_NODE && p.host;
+    }
+  }
+  function watchShadow(node) {
+    if (node.shadowRoot && !node.shadowRoot.__watched) {
+      flags.dom && console.log("watching shadow-root for: ", node.localName);
+      var root = node.shadowRoot;
+      while (root) {
+        observe(root);
+        root = root.olderShadowRoot;
+      }
+    }
+  }
+  function handler(root, mutations) {
+    if (flags.dom) {
+      var mx = mutations[0];
+      if (mx && mx.type === "childList" && mx.addedNodes) {
+        if (mx.addedNodes) {
+          var d = mx.addedNodes[0];
+          while (d && d !== document && !d.host) {
+            d = d.parentNode;
+          }
+          var u = d && (d.URL || d._URL || d.host && d.host.localName) || "";
+          u = u.split("/?").shift().split("/").pop();
+        }
+      }
+      console.group("mutations (%d) [%s]", mutations.length, u || "");
+    }
+    var isAttached = inDocument(root);
+    mutations.forEach(function(mx) {
+      if (mx.type === "childList") {
+        forEach(mx.addedNodes, function(n) {
+          if (!n.localName) {
+            return;
+          }
+          addedNode(n, isAttached);
+        });
+        forEach(mx.removedNodes, function(n) {
+          if (!n.localName) {
+            return;
+          }
+          detachedNode(n);
+        });
+      }
+    });
+    flags.dom && console.groupEnd();
+  }
+  function takeRecords(node) {
+    node = window.wrap(node);
+    if (!node) {
+      node = window.wrap(document);
+    }
+    while (node.parentNode) {
+      node = node.parentNode;
+    }
+    var observer = node.__observer;
+    if (observer) {
+      handler(node, observer.takeRecords());
+      takeMutations();
+    }
+  }
+  var forEach = Array.prototype.forEach.call.bind(Array.prototype.forEach);
+  function observe(inRoot) {
+    if (inRoot.__observer) {
+      return;
+    }
+    var observer = new MutationObserver(handler.bind(this, inRoot));
+    observer.observe(inRoot, {
+      childList: true,
+      subtree: true
+    });
+    inRoot.__observer = observer;
+  }
+  function upgradeDocument(doc) {
+    doc = window.wrap(doc);
+    flags.dom && console.group("upgradeDocument: ", doc.baseURI.split("/").pop());
+    var isMainDocument = doc === window.wrap(document);
+    addedNode(doc, isMainDocument);
+    observe(doc);
+    flags.dom && console.groupEnd();
+  }
+  function upgradeDocumentTree(doc) {
+    forDocumentTree(doc, upgradeDocument);
+  }
+  var originalCreateShadowRoot = Element.prototype.createShadowRoot;
+  if (originalCreateShadowRoot) {
+    Element.prototype.createShadowRoot = function() {
+      var root = originalCreateShadowRoot.call(this);
+      window.CustomElements.watchShadow(this);
+      return root;
+    };
+  }
+  scope.watchShadow = watchShadow;
+  scope.upgradeDocumentTree = upgradeDocumentTree;
+  scope.upgradeDocument = upgradeDocument;
+  scope.upgradeSubtree = addedSubtree;
+  scope.upgradeAll = addedNode;
+  scope.attached = attached;
+  scope.takeRecords = takeRecords;
+});
+
+window.CustomElements.addModule(function(scope) {
+  var flags = scope.flags;
+  function upgrade(node, isAttached) {
+    if (node.localName === "template") {
+      if (window.HTMLTemplateElement && HTMLTemplateElement.decorate) {
+        HTMLTemplateElement.decorate(node);
+      }
+    }
+    if (!node.__upgraded__ && node.nodeType === Node.ELEMENT_NODE) {
+      var is = node.getAttribute("is");
+      var definition = scope.getRegisteredDefinition(node.localName) || scope.getRegisteredDefinition(is);
+      if (definition) {
+        if (is && definition.tag == node.localName || !is && !definition.extends) {
+          return upgradeWithDefinition(node, definition, isAttached);
+        }
+      }
+    }
+  }
+  function upgradeWithDefinition(element, definition, isAttached) {
+    flags.upgrade && console.group("upgrade:", element.localName);
+    if (definition.is) {
+      element.setAttribute("is", definition.is);
+    }
+    implementPrototype(element, definition);
+    element.__upgraded__ = true;
+    created(element);
+    if (isAttached) {
+      scope.attached(element);
+    }
+    scope.upgradeSubtree(element, isAttached);
+    flags.upgrade && console.groupEnd();
+    return element;
+  }
+  function implementPrototype(element, definition) {
+    if (Object.__proto__) {
+      element.__proto__ = definition.prototype;
+    } else {
+      customMixin(element, definition.prototype, definition.native);
+      element.__proto__ = definition.prototype;
+    }
+  }
+  function customMixin(inTarget, inSrc, inNative) {
+    var used = {};
+    var p = inSrc;
+    while (p !== inNative && p !== HTMLElement.prototype) {
+      var keys = Object.getOwnPropertyNames(p);
+      for (var i = 0, k; k = keys[i]; i++) {
+        if (!used[k]) {
+          Object.defineProperty(inTarget, k, Object.getOwnPropertyDescriptor(p, k));
+          used[k] = 1;
+        }
+      }
+      p = Object.getPrototypeOf(p);
+    }
+  }
+  function created(element) {
+    if (element.createdCallback) {
+      element.createdCallback();
+    }
+  }
+  scope.upgrade = upgrade;
+  scope.upgradeWithDefinition = upgradeWithDefinition;
+  scope.implementPrototype = implementPrototype;
+});
+
+window.CustomElements.addModule(function(scope) {
+  var isIE = scope.isIE;
+  var upgradeDocumentTree = scope.upgradeDocumentTree;
+  var upgradeAll = scope.upgradeAll;
+  var upgradeWithDefinition = scope.upgradeWithDefinition;
+  var implementPrototype = scope.implementPrototype;
+  var useNative = scope.useNative;
+  function register(name, options) {
+    var definition = options || {};
+    if (!name) {
+      throw new Error("document.registerElement: first argument `name` must not be empty");
+    }
+    if (name.indexOf("-") < 0) {
+      throw new Error("document.registerElement: first argument ('name') must contain a dash ('-'). Argument provided was '" + String(name) + "'.");
+    }
+    if (isReservedTag(name)) {
+      throw new Error("Failed to execute 'registerElement' on 'Document': Registration failed for type '" + String(name) + "'. The type name is invalid.");
+    }
+    if (getRegisteredDefinition(name)) {
+      throw new Error("DuplicateDefinitionError: a type with name '" + String(name) + "' is already registered");
+    }
+    if (!definition.prototype) {
+      definition.prototype = Object.create(HTMLElement.prototype);
+    }
+    definition.__name = name.toLowerCase();
+    if (definition.extends) {
+      definition.extends = definition.extends.toLowerCase();
+    }
+    definition.lifecycle = definition.lifecycle || {};
+    definition.ancestry = ancestry(definition.extends);
+    resolveTagName(definition);
+    resolvePrototypeChain(definition);
+    overrideAttributeApi(definition.prototype);
+    registerDefinition(definition.__name, definition);
+    definition.ctor = generateConstructor(definition);
+    definition.ctor.prototype = definition.prototype;
+    definition.prototype.constructor = definition.ctor;
+    if (scope.ready) {
+      upgradeDocumentTree(document);
+    }
+    return definition.ctor;
+  }
+  function overrideAttributeApi(prototype) {
+    if (prototype.setAttribute._polyfilled) {
+      return;
+    }
+    var setAttribute = prototype.setAttribute;
+    prototype.setAttribute = function(name, value) {
+      changeAttribute.call(this, name, value, setAttribute);
+    };
+    var removeAttribute = prototype.removeAttribute;
+    prototype.removeAttribute = function(name) {
+      changeAttribute.call(this, name, null, removeAttribute);
+    };
+    prototype.setAttribute._polyfilled = true;
+  }
+  function changeAttribute(name, value, operation) {
+    name = name.toLowerCase();
+    var oldValue = this.getAttribute(name);
+    operation.apply(this, arguments);
+    var newValue = this.getAttribute(name);
+    if (this.attributeChangedCallback && newValue !== oldValue) {
+      this.attributeChangedCallback(name, oldValue, newValue);
+    }
+  }
+  function isReservedTag(name) {
+    for (var i = 0; i < reservedTagList.length; i++) {
+      if (name === reservedTagList[i]) {
+        return true;
+      }
+    }
+  }
+  var reservedTagList = [ "annotation-xml", "color-profile", "font-face", "font-face-src", "font-face-uri", "font-face-format", "font-face-name", "missing-glyph" ];
+  function ancestry(extnds) {
+    var extendee = getRegisteredDefinition(extnds);
+    if (extendee) {
+      return ancestry(extendee.extends).concat([ extendee ]);
+    }
+    return [];
+  }
+  function resolveTagName(definition) {
+    var baseTag = definition.extends;
+    for (var i = 0, a; a = definition.ancestry[i]; i++) {
+      baseTag = a.is && a.tag;
+    }
+    definition.tag = baseTag || definition.__name;
+    if (baseTag) {
+      definition.is = definition.__name;
+    }
+  }
+  function resolvePrototypeChain(definition) {
+    if (!Object.__proto__) {
+      var nativePrototype = HTMLElement.prototype;
+      if (definition.is) {
+        var inst = document.createElement(definition.tag);
+        nativePrototype = Object.getPrototypeOf(inst);
+      }
+      var proto = definition.prototype, ancestor;
+      var foundPrototype = false;
+      while (proto) {
+        if (proto == nativePrototype) {
+          foundPrototype = true;
+        }
+        ancestor = Object.getPrototypeOf(proto);
+        if (ancestor) {
+          proto.__proto__ = ancestor;
+        }
+        proto = ancestor;
+      }
+      if (!foundPrototype) {
+        console.warn(definition.tag + " prototype not found in prototype chain for " + definition.is);
+      }
+      definition.native = nativePrototype;
+    }
+  }
+  function instantiate(definition) {
+    return upgradeWithDefinition(domCreateElement(definition.tag), definition);
+  }
+  var registry = {};
+  function getRegisteredDefinition(name) {
+    if (name) {
+      return registry[name.toLowerCase()];
+    }
+  }
+  function registerDefinition(name, definition) {
+    registry[name] = definition;
+  }
+  function generateConstructor(definition) {
+    return function() {
+      return instantiate(definition);
+    };
+  }
+  var HTML_NAMESPACE = "http://www.w3.org/1999/xhtml";
+  function createElementNS(namespace, tag, typeExtension) {
+    if (namespace === HTML_NAMESPACE) {
+      return createElement(tag, typeExtension);
+    } else {
+      return domCreateElementNS(namespace, tag);
+    }
+  }
+  function createElement(tag, typeExtension) {
+    if (tag) {
+      tag = tag.toLowerCase();
+    }
+    if (typeExtension) {
+      typeExtension = typeExtension.toLowerCase();
+    }
+    var definition = getRegisteredDefinition(typeExtension || tag);
+    if (definition) {
+      if (tag == definition.tag && typeExtension == definition.is) {
+        return new definition.ctor();
+      }
+      if (!typeExtension && !definition.is) {
+        return new definition.ctor();
+      }
+    }
+    var element;
+    if (typeExtension) {
+      element = createElement(tag);
+      element.setAttribute("is", typeExtension);
+      return element;
+    }
+    element = domCreateElement(tag);
+    if (tag.indexOf("-") >= 0) {
+      implementPrototype(element, HTMLElement);
+    }
+    return element;
+  }
+  var domCreateElement = document.createElement.bind(document);
+  var domCreateElementNS = document.createElementNS.bind(document);
+  var isInstance;
+  if (!Object.__proto__ && !useNative) {
+    isInstance = function(obj, ctor) {
+      if (obj instanceof ctor) {
+        return true;
+      }
+      var p = obj;
+      while (p) {
+        if (p === ctor.prototype) {
+          return true;
+        }
+        p = p.__proto__;
+      }
+      return false;
+    };
+  } else {
+    isInstance = function(obj, base) {
+      return obj instanceof base;
+    };
+  }
+  function wrapDomMethodToForceUpgrade(obj, methodName) {
+    var orig = obj[methodName];
+    obj[methodName] = function() {
+      var n = orig.apply(this, arguments);
+      upgradeAll(n);
+      return n;
+    };
+  }
+  wrapDomMethodToForceUpgrade(Node.prototype, "cloneNode");
+  wrapDomMethodToForceUpgrade(document, "importNode");
+  document.registerElement = register;
+  document.createElement = createElement;
+  document.createElementNS = createElementNS;
+  scope.registry = registry;
+  scope.instanceof = isInstance;
+  scope.reservedTagList = reservedTagList;
+  scope.getRegisteredDefinition = getRegisteredDefinition;
+  document.register = document.registerElement;
+});
+
+(function(scope) {
+  var useNative = scope.useNative;
+  var initializeModules = scope.initializeModules;
+  var isIE = scope.isIE;
+  if (useNative) {
+    var nop = function() {};
+    scope.watchShadow = nop;
+    scope.upgrade = nop;
+    scope.upgradeAll = nop;
+    scope.upgradeDocumentTree = nop;
+    scope.upgradeSubtree = nop;
+    scope.takeRecords = nop;
+    scope.instanceof = function(obj, base) {
+      return obj instanceof base;
+    };
+  } else {
+    initializeModules();
+  }
+  var upgradeDocumentTree = scope.upgradeDocumentTree;
+  var upgradeDocument = scope.upgradeDocument;
+  if (!window.wrap) {
+    if (window.ShadowDOMPolyfill) {
+      window.wrap = window.ShadowDOMPolyfill.wrapIfNeeded;
+      window.unwrap = window.ShadowDOMPolyfill.unwrapIfNeeded;
+    } else {
+      window.wrap = window.unwrap = function(node) {
+        return node;
+      };
+    }
+  }
+  if (window.HTMLImports) {
+    window.HTMLImports.__importsParsingHook = function(elt) {
+      if (elt.import) {
+        upgradeDocument(wrap(elt.import));
+      }
+    };
+  }
+  function bootstrap() {
+    upgradeDocumentTree(window.wrap(document));
+    window.CustomElements.ready = true;
+    var requestAnimationFrame = window.requestAnimationFrame || function(f) {
+      setTimeout(f, 16);
+    };
+    requestAnimationFrame(function() {
+      setTimeout(function() {
+        window.CustomElements.readyTime = Date.now();
+        if (window.HTMLImports) {
+          window.CustomElements.elapsed = window.CustomElements.readyTime - window.HTMLImports.readyTime;
+        }
+        document.dispatchEvent(new CustomEvent("WebComponentsReady", {
+          bubbles: true
+        }));
+      });
+    });
+  }
+  if (document.readyState === "complete" || scope.flags.eager) {
+    bootstrap();
+  } else if (document.readyState === "interactive" && !window.attachEvent && (!window.HTMLImports || window.HTMLImports.ready)) {
+    bootstrap();
+  } else {
+    var loadEvent = window.HTMLImports && !window.HTMLImports.ready ? "HTMLImportsLoaded" : "DOMContentLoaded";
+    window.addEventListener(loadEvent, bootstrap);
+  }
+})(window.CustomElements);
+
+(function(scope) {
+  var style = document.createElement("style");
+  style.textContent = "" + "body {" + "transition: opacity ease-in 0.2s;" + " } \n" + "body[unresolved] {" + "opacity: 0; display: block; overflow: hidden; position: relative;" + " } \n";
+  var head = document.querySelector("head");
+  head.insertBefore(style, head.firstChild);
+})(window.WebComponents);
\ No newline at end of file
diff --git a/dashboard-ui/bower_components/webcomponentsjs/webcomponents-lite.min.js b/dashboard-ui/bower_components/webcomponentsjs/webcomponents-lite.min.js
new file mode 100644
index 0000000000..da22fda420
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/webcomponents-lite.min.js
@@ -0,0 +1,12 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
+!function(){window.WebComponents=window.WebComponents||{flags:{}};var e="webcomponents-lite.js",t=document.querySelector('script[src*="'+e+'"]'),n={};if(!n.noOpts){if(location.search.slice(1).split("&").forEach(function(e){var t,o=e.split("=");o[0]&&(t=o[0].match(/wc-(.+)/))&&(n[t[1]]=o[1]||!0)}),t)for(var o,r=0;o=t.attributes[r];r++)"src"!==o.name&&(n[o.name]=o.value||!0);if(n.log&&n.log.split){var i=n.log.split(",");n.log={},i.forEach(function(e){n.log[e]=!0})}else n.log={}}n.register&&(window.CustomElements=window.CustomElements||{flags:{}},window.CustomElements.flags.register=n.register),WebComponents.flags=n}(),function(e){"use strict";function t(e){return void 0!==h[e]}function n(){s.call(this),this._isInvalid=!0}function o(e){return""==e&&n.call(this),e.toLowerCase()}function r(e){var t=e.charCodeAt(0);return t>32&&127>t&&-1==[34,35,60,62,63,96].indexOf(t)?e:encodeURIComponent(e)}function i(e){var t=e.charCodeAt(0);return 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diff --git a/dashboard-ui/bower_components/webcomponentsjs/webcomponents.js b/dashboard-ui/bower_components/webcomponentsjs/webcomponents.js
new file mode 100644
index 0000000000..f363c0e14c
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/webcomponents.js
@@ -0,0 +1,7206 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
+(function() {
+  window.WebComponents = window.WebComponents || {
+    flags: {}
+  };
+  var file = "webcomponents.js";
+  var script = document.querySelector('script[src*="' + file + '"]');
+  var flags = {};
+  if (!flags.noOpts) {
+    location.search.slice(1).split("&").forEach(function(option) {
+      var parts = option.split("=");
+      var match;
+      if (parts[0] && (match = parts[0].match(/wc-(.+)/))) {
+        flags[match[1]] = parts[1] || true;
+      }
+    });
+    if (script) {
+      for (var i = 0, a; a = script.attributes[i]; i++) {
+        if (a.name !== "src") {
+          flags[a.name] = a.value || true;
+        }
+      }
+    }
+    if (flags.log && flags.log.split) {
+      var parts = flags.log.split(",");
+      flags.log = {};
+      parts.forEach(function(f) {
+        flags.log[f] = true;
+      });
+    } else {
+      flags.log = {};
+    }
+  }
+  flags.shadow = flags.shadow || flags.shadowdom || flags.polyfill;
+  if (flags.shadow === "native") {
+    flags.shadow = false;
+  } else {
+    flags.shadow = flags.shadow || !HTMLElement.prototype.createShadowRoot;
+  }
+  if (flags.register) {
+    window.CustomElements = window.CustomElements || {
+      flags: {}
+    };
+    window.CustomElements.flags.register = flags.register;
+  }
+  WebComponents.flags = flags;
+})();
+
+if (WebComponents.flags.shadow) {
+  if (typeof WeakMap === "undefined") {
+    (function() {
+      var defineProperty = Object.defineProperty;
+      var counter = Date.now() % 1e9;
+      var WeakMap = function() {
+        this.name = "__st" + (Math.random() * 1e9 >>> 0) + (counter++ + "__");
+      };
+      WeakMap.prototype = {
+        set: function(key, value) {
+          var entry = key[this.name];
+          if (entry && entry[0] === key) entry[1] = value; else defineProperty(key, this.name, {
+            value: [ key, value ],
+            writable: true
+          });
+          return this;
+        },
+        get: function(key) {
+          var entry;
+          return (entry = key[this.name]) && entry[0] === key ? entry[1] : undefined;
+        },
+        "delete": function(key) {
+          var entry = key[this.name];
+          if (!entry || entry[0] !== key) return false;
+          entry[0] = entry[1] = undefined;
+          return true;
+        },
+        has: function(key) {
+          var entry = key[this.name];
+          if (!entry) return false;
+          return entry[0] === key;
+        }
+      };
+      window.WeakMap = WeakMap;
+    })();
+  }
+  window.ShadowDOMPolyfill = {};
+  (function(scope) {
+    "use strict";
+    var constructorTable = new WeakMap();
+    var nativePrototypeTable = new WeakMap();
+    var wrappers = Object.create(null);
+    function detectEval() {
+      if (typeof chrome !== "undefined" && chrome.app && chrome.app.runtime) {
+        return false;
+      }
+      if (navigator.getDeviceStorage) {
+        return false;
+      }
+      try {
+        var f = new Function("return true;");
+        return f();
+      } catch (ex) {
+        return false;
+      }
+    }
+    var hasEval = detectEval();
+    function assert(b) {
+      if (!b) throw new Error("Assertion failed");
+    }
+    var defineProperty = Object.defineProperty;
+    var getOwnPropertyNames = Object.getOwnPropertyNames;
+    var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
+    function mixin(to, from) {
+      var names = getOwnPropertyNames(from);
+      for (var i = 0; i < names.length; i++) {
+        var name = names[i];
+        defineProperty(to, name, getOwnPropertyDescriptor(from, name));
+      }
+      return to;
+    }
+    function mixinStatics(to, from) {
+      var names = getOwnPropertyNames(from);
+      for (var i = 0; i < names.length; i++) {
+        var name = names[i];
+        switch (name) {
+         case "arguments":
+         case "caller":
+         case "length":
+         case "name":
+         case "prototype":
+         case "toString":
+          continue;
+        }
+        defineProperty(to, name, getOwnPropertyDescriptor(from, name));
+      }
+      return to;
+    }
+    function oneOf(object, propertyNames) {
+      for (var i = 0; i < propertyNames.length; i++) {
+        if (propertyNames[i] in object) return propertyNames[i];
+      }
+    }
+    var nonEnumerableDataDescriptor = {
+      value: undefined,
+      configurable: true,
+      enumerable: false,
+      writable: true
+    };
+    function defineNonEnumerableDataProperty(object, name, value) {
+      nonEnumerableDataDescriptor.value = value;
+      defineProperty(object, name, nonEnumerableDataDescriptor);
+    }
+    getOwnPropertyNames(window);
+    function getWrapperConstructor(node, opt_instance) {
+      var nativePrototype = node.__proto__ || Object.getPrototypeOf(node);
+      if (isFirefox) {
+        try {
+          getOwnPropertyNames(nativePrototype);
+        } catch (error) {
+          nativePrototype = nativePrototype.__proto__;
+        }
+      }
+      var wrapperConstructor = constructorTable.get(nativePrototype);
+      if (wrapperConstructor) return wrapperConstructor;
+      var parentWrapperConstructor = getWrapperConstructor(nativePrototype);
+      var GeneratedWrapper = createWrapperConstructor(parentWrapperConstructor);
+      registerInternal(nativePrototype, GeneratedWrapper, opt_instance);
+      return GeneratedWrapper;
+    }
+    function addForwardingProperties(nativePrototype, wrapperPrototype) {
+      installProperty(nativePrototype, wrapperPrototype, true);
+    }
+    function registerInstanceProperties(wrapperPrototype, instanceObject) {
+      installProperty(instanceObject, wrapperPrototype, false);
+    }
+    var isFirefox = /Firefox/.test(navigator.userAgent);
+    var dummyDescriptor = {
+      get: function() {},
+      set: function(v) {},
+      configurable: true,
+      enumerable: true
+    };
+    function isEventHandlerName(name) {
+      return /^on[a-z]+$/.test(name);
+    }
+    function isIdentifierName(name) {
+      return /^[a-zA-Z_$][a-zA-Z_$0-9]*$/.test(name);
+    }
+    function getGetter(name) {
+      return hasEval && isIdentifierName(name) ? new Function("return this.__impl4cf1e782hg__." + name) : function() {
+        return this.__impl4cf1e782hg__[name];
+      };
+    }
+    function getSetter(name) {
+      return hasEval && isIdentifierName(name) ? new Function("v", "this.__impl4cf1e782hg__." + name + " = v") : function(v) {
+        this.__impl4cf1e782hg__[name] = v;
+      };
+    }
+    function getMethod(name) {
+      return hasEval && isIdentifierName(name) ? new Function("return this.__impl4cf1e782hg__." + name + ".apply(this.__impl4cf1e782hg__, arguments)") : function() {
+        return this.__impl4cf1e782hg__[name].apply(this.__impl4cf1e782hg__, arguments);
+      };
+    }
+    function getDescriptor(source, name) {
+      try {
+        return Object.getOwnPropertyDescriptor(source, name);
+      } catch (ex) {
+        return dummyDescriptor;
+      }
+    }
+    var isBrokenSafari = function() {
+      var descr = Object.getOwnPropertyDescriptor(Node.prototype, "nodeType");
+      return descr && !descr.get && !descr.set;
+    }();
+    function installProperty(source, target, allowMethod, opt_blacklist) {
+      var names = getOwnPropertyNames(source);
+      for (var i = 0; i < names.length; i++) {
+        var name = names[i];
+        if (name === "polymerBlackList_") continue;
+        if (name in target) continue;
+        if (source.polymerBlackList_ && source.polymerBlackList_[name]) continue;
+        if (isFirefox) {
+          source.__lookupGetter__(name);
+        }
+        var descriptor = getDescriptor(source, name);
+        var getter, setter;
+        if (typeof descriptor.value === "function") {
+          if (allowMethod) {
+            target[name] = getMethod(name);
+          }
+          continue;
+        }
+        var isEvent = isEventHandlerName(name);
+        if (isEvent) getter = scope.getEventHandlerGetter(name); else getter = getGetter(name);
+        if (descriptor.writable || descriptor.set || isBrokenSafari) {
+          if (isEvent) setter = scope.getEventHandlerSetter(name); else setter = getSetter(name);
+        }
+        var configurable = isBrokenSafari || descriptor.configurable;
+        defineProperty(target, name, {
+          get: getter,
+          set: setter,
+          configurable: configurable,
+          enumerable: descriptor.enumerable
+        });
+      }
+    }
+    function register(nativeConstructor, wrapperConstructor, opt_instance) {
+      if (nativeConstructor == null) {
+        return;
+      }
+      var nativePrototype = nativeConstructor.prototype;
+      registerInternal(nativePrototype, wrapperConstructor, opt_instance);
+      mixinStatics(wrapperConstructor, nativeConstructor);
+    }
+    function registerInternal(nativePrototype, wrapperConstructor, opt_instance) {
+      var wrapperPrototype = wrapperConstructor.prototype;
+      assert(constructorTable.get(nativePrototype) === undefined);
+      constructorTable.set(nativePrototype, wrapperConstructor);
+      nativePrototypeTable.set(wrapperPrototype, nativePrototype);
+      addForwardingProperties(nativePrototype, wrapperPrototype);
+      if (opt_instance) registerInstanceProperties(wrapperPrototype, opt_instance);
+      defineNonEnumerableDataProperty(wrapperPrototype, "constructor", wrapperConstructor);
+      wrapperConstructor.prototype = wrapperPrototype;
+    }
+    function isWrapperFor(wrapperConstructor, nativeConstructor) {
+      return constructorTable.get(nativeConstructor.prototype) === wrapperConstructor;
+    }
+    function registerObject(object) {
+      var nativePrototype = Object.getPrototypeOf(object);
+      var superWrapperConstructor = getWrapperConstructor(nativePrototype);
+      var GeneratedWrapper = createWrapperConstructor(superWrapperConstructor);
+      registerInternal(nativePrototype, GeneratedWrapper, object);
+      return GeneratedWrapper;
+    }
+    function createWrapperConstructor(superWrapperConstructor) {
+      function GeneratedWrapper(node) {
+        superWrapperConstructor.call(this, node);
+      }
+      var p = Object.create(superWrapperConstructor.prototype);
+      p.constructor = GeneratedWrapper;
+      GeneratedWrapper.prototype = p;
+      return GeneratedWrapper;
+    }
+    function isWrapper(object) {
+      return object && object.__impl4cf1e782hg__;
+    }
+    function isNative(object) {
+      return !isWrapper(object);
+    }
+    function wrap(impl) {
+      if (impl === null) return null;
+      assert(isNative(impl));
+      var wrapper = impl.__wrapper8e3dd93a60__;
+      if (wrapper != null) {
+        return wrapper;
+      }
+      return impl.__wrapper8e3dd93a60__ = new (getWrapperConstructor(impl, impl))(impl);
+    }
+    function unwrap(wrapper) {
+      if (wrapper === null) return null;
+      assert(isWrapper(wrapper));
+      return wrapper.__impl4cf1e782hg__;
+    }
+    function unsafeUnwrap(wrapper) {
+      return wrapper.__impl4cf1e782hg__;
+    }
+    function setWrapper(impl, wrapper) {
+      wrapper.__impl4cf1e782hg__ = impl;
+      impl.__wrapper8e3dd93a60__ = wrapper;
+    }
+    function unwrapIfNeeded(object) {
+      return object && isWrapper(object) ? unwrap(object) : object;
+    }
+    function wrapIfNeeded(object) {
+      return object && !isWrapper(object) ? wrap(object) : object;
+    }
+    function rewrap(node, wrapper) {
+      if (wrapper === null) return;
+      assert(isNative(node));
+      assert(wrapper === undefined || isWrapper(wrapper));
+      node.__wrapper8e3dd93a60__ = wrapper;
+    }
+    var getterDescriptor = {
+      get: undefined,
+      configurable: true,
+      enumerable: true
+    };
+    function defineGetter(constructor, name, getter) {
+      getterDescriptor.get = getter;
+      defineProperty(constructor.prototype, name, getterDescriptor);
+    }
+    function defineWrapGetter(constructor, name) {
+      defineGetter(constructor, name, function() {
+        return wrap(this.__impl4cf1e782hg__[name]);
+      });
+    }
+    function forwardMethodsToWrapper(constructors, names) {
+      constructors.forEach(function(constructor) {
+        names.forEach(function(name) {
+          constructor.prototype[name] = function() {
+            var w = wrapIfNeeded(this);
+            return w[name].apply(w, arguments);
+          };
+        });
+      });
+    }
+    scope.addForwardingProperties = addForwardingProperties;
+    scope.assert = assert;
+    scope.constructorTable = constructorTable;
+    scope.defineGetter = defineGetter;
+    scope.defineWrapGetter = defineWrapGetter;
+    scope.forwardMethodsToWrapper = forwardMethodsToWrapper;
+    scope.isIdentifierName = isIdentifierName;
+    scope.isWrapper = isWrapper;
+    scope.isWrapperFor = isWrapperFor;
+    scope.mixin = mixin;
+    scope.nativePrototypeTable = nativePrototypeTable;
+    scope.oneOf = oneOf;
+    scope.registerObject = registerObject;
+    scope.registerWrapper = register;
+    scope.rewrap = rewrap;
+    scope.setWrapper = setWrapper;
+    scope.unsafeUnwrap = unsafeUnwrap;
+    scope.unwrap = unwrap;
+    scope.unwrapIfNeeded = unwrapIfNeeded;
+    scope.wrap = wrap;
+    scope.wrapIfNeeded = wrapIfNeeded;
+    scope.wrappers = wrappers;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    function newSplice(index, removed, addedCount) {
+      return {
+        index: index,
+        removed: removed,
+        addedCount: addedCount
+      };
+    }
+    var EDIT_LEAVE = 0;
+    var EDIT_UPDATE = 1;
+    var EDIT_ADD = 2;
+    var EDIT_DELETE = 3;
+    function ArraySplice() {}
+    ArraySplice.prototype = {
+      calcEditDistances: function(current, currentStart, currentEnd, old, oldStart, oldEnd) {
+        var rowCount = oldEnd - oldStart + 1;
+        var columnCount = currentEnd - currentStart + 1;
+        var distances = new Array(rowCount);
+        for (var i = 0; i < rowCount; i++) {
+          distances[i] = new Array(columnCount);
+          distances[i][0] = i;
+        }
+        for (var j = 0; j < columnCount; j++) distances[0][j] = j;
+        for (var i = 1; i < rowCount; i++) {
+          for (var j = 1; j < columnCount; j++) {
+            if (this.equals(current[currentStart + j - 1], old[oldStart + i - 1])) distances[i][j] = distances[i - 1][j - 1]; else {
+              var north = distances[i - 1][j] + 1;
+              var west = distances[i][j - 1] + 1;
+              distances[i][j] = north < west ? north : west;
+            }
+          }
+        }
+        return distances;
+      },
+      spliceOperationsFromEditDistances: function(distances) {
+        var i = distances.length - 1;
+        var j = distances[0].length - 1;
+        var current = distances[i][j];
+        var edits = [];
+        while (i > 0 || j > 0) {
+          if (i == 0) {
+            edits.push(EDIT_ADD);
+            j--;
+            continue;
+          }
+          if (j == 0) {
+            edits.push(EDIT_DELETE);
+            i--;
+            continue;
+          }
+          var northWest = distances[i - 1][j - 1];
+          var west = distances[i - 1][j];
+          var north = distances[i][j - 1];
+          var min;
+          if (west < north) min = west < northWest ? west : northWest; else min = north < northWest ? north : northWest;
+          if (min == northWest) {
+            if (northWest == current) {
+              edits.push(EDIT_LEAVE);
+            } else {
+              edits.push(EDIT_UPDATE);
+              current = northWest;
+            }
+            i--;
+            j--;
+          } else if (min == west) {
+            edits.push(EDIT_DELETE);
+            i--;
+            current = west;
+          } else {
+            edits.push(EDIT_ADD);
+            j--;
+            current = north;
+          }
+        }
+        edits.reverse();
+        return edits;
+      },
+      calcSplices: function(current, currentStart, currentEnd, old, oldStart, oldEnd) {
+        var prefixCount = 0;
+        var suffixCount = 0;
+        var minLength = Math.min(currentEnd - currentStart, oldEnd - oldStart);
+        if (currentStart == 0 && oldStart == 0) prefixCount = this.sharedPrefix(current, old, minLength);
+        if (currentEnd == current.length && oldEnd == old.length) suffixCount = this.sharedSuffix(current, old, minLength - prefixCount);
+        currentStart += prefixCount;
+        oldStart += prefixCount;
+        currentEnd -= suffixCount;
+        oldEnd -= suffixCount;
+        if (currentEnd - currentStart == 0 && oldEnd - oldStart == 0) return [];
+        if (currentStart == currentEnd) {
+          var splice = newSplice(currentStart, [], 0);
+          while (oldStart < oldEnd) splice.removed.push(old[oldStart++]);
+          return [ splice ];
+        } else if (oldStart == oldEnd) return [ newSplice(currentStart, [], currentEnd - currentStart) ];
+        var ops = this.spliceOperationsFromEditDistances(this.calcEditDistances(current, currentStart, currentEnd, old, oldStart, oldEnd));
+        var splice = undefined;
+        var splices = [];
+        var index = currentStart;
+        var oldIndex = oldStart;
+        for (var i = 0; i < ops.length; i++) {
+          switch (ops[i]) {
+           case EDIT_LEAVE:
+            if (splice) {
+              splices.push(splice);
+              splice = undefined;
+            }
+            index++;
+            oldIndex++;
+            break;
+
+           case EDIT_UPDATE:
+            if (!splice) splice = newSplice(index, [], 0);
+            splice.addedCount++;
+            index++;
+            splice.removed.push(old[oldIndex]);
+            oldIndex++;
+            break;
+
+           case EDIT_ADD:
+            if (!splice) splice = newSplice(index, [], 0);
+            splice.addedCount++;
+            index++;
+            break;
+
+           case EDIT_DELETE:
+            if (!splice) splice = newSplice(index, [], 0);
+            splice.removed.push(old[oldIndex]);
+            oldIndex++;
+            break;
+          }
+        }
+        if (splice) {
+          splices.push(splice);
+        }
+        return splices;
+      },
+      sharedPrefix: function(current, old, searchLength) {
+        for (var i = 0; i < searchLength; i++) if (!this.equals(current[i], old[i])) return i;
+        return searchLength;
+      },
+      sharedSuffix: function(current, old, searchLength) {
+        var index1 = current.length;
+        var index2 = old.length;
+        var count = 0;
+        while (count < searchLength && this.equals(current[--index1], old[--index2])) count++;
+        return count;
+      },
+      calculateSplices: function(current, previous) {
+        return this.calcSplices(current, 0, current.length, previous, 0, previous.length);
+      },
+      equals: function(currentValue, previousValue) {
+        return currentValue === previousValue;
+      }
+    };
+    scope.ArraySplice = ArraySplice;
+  })(window.ShadowDOMPolyfill);
+  (function(context) {
+    "use strict";
+    var OriginalMutationObserver = window.MutationObserver;
+    var callbacks = [];
+    var pending = false;
+    var timerFunc;
+    function handle() {
+      pending = false;
+      var copies = callbacks.slice(0);
+      callbacks = [];
+      for (var i = 0; i < copies.length; i++) {
+        (0, copies[i])();
+      }
+    }
+    if (OriginalMutationObserver) {
+      var counter = 1;
+      var observer = new OriginalMutationObserver(handle);
+      var textNode = document.createTextNode(counter);
+      observer.observe(textNode, {
+        characterData: true
+      });
+      timerFunc = function() {
+        counter = (counter + 1) % 2;
+        textNode.data = counter;
+      };
+    } else {
+      timerFunc = window.setTimeout;
+    }
+    function setEndOfMicrotask(func) {
+      callbacks.push(func);
+      if (pending) return;
+      pending = true;
+      timerFunc(handle, 0);
+    }
+    context.setEndOfMicrotask = setEndOfMicrotask;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var setEndOfMicrotask = scope.setEndOfMicrotask;
+    var wrapIfNeeded = scope.wrapIfNeeded;
+    var wrappers = scope.wrappers;
+    var registrationsTable = new WeakMap();
+    var globalMutationObservers = [];
+    var isScheduled = false;
+    function scheduleCallback(observer) {
+      if (observer.scheduled_) return;
+      observer.scheduled_ = true;
+      globalMutationObservers.push(observer);
+      if (isScheduled) return;
+      setEndOfMicrotask(notifyObservers);
+      isScheduled = true;
+    }
+    function notifyObservers() {
+      isScheduled = false;
+      while (globalMutationObservers.length) {
+        var notifyList = globalMutationObservers;
+        globalMutationObservers = [];
+        notifyList.sort(function(x, y) {
+          return x.uid_ - y.uid_;
+        });
+        for (var i = 0; i < notifyList.length; i++) {
+          var mo = notifyList[i];
+          mo.scheduled_ = false;
+          var queue = mo.takeRecords();
+          removeTransientObserversFor(mo);
+          if (queue.length) {
+            mo.callback_(queue, mo);
+          }
+        }
+      }
+    }
+    function MutationRecord(type, target) {
+      this.type = type;
+      this.target = target;
+      this.addedNodes = new wrappers.NodeList();
+      this.removedNodes = new wrappers.NodeList();
+      this.previousSibling = null;
+      this.nextSibling = null;
+      this.attributeName = null;
+      this.attributeNamespace = null;
+      this.oldValue = null;
+    }
+    function registerTransientObservers(ancestor, node) {
+      for (;ancestor; ancestor = ancestor.parentNode) {
+        var registrations = registrationsTable.get(ancestor);
+        if (!registrations) continue;
+        for (var i = 0; i < registrations.length; i++) {
+          var registration = registrations[i];
+          if (registration.options.subtree) registration.addTransientObserver(node);
+        }
+      }
+    }
+    function removeTransientObserversFor(observer) {
+      for (var i = 0; i < observer.nodes_.length; i++) {
+        var node = observer.nodes_[i];
+        var registrations = registrationsTable.get(node);
+        if (!registrations) return;
+        for (var j = 0; j < registrations.length; j++) {
+          var registration = registrations[j];
+          if (registration.observer === observer) registration.removeTransientObservers();
+        }
+      }
+    }
+    function enqueueMutation(target, type, data) {
+      var interestedObservers = Object.create(null);
+      var associatedStrings = Object.create(null);
+      for (var node = target; node; node = node.parentNode) {
+        var registrations = registrationsTable.get(node);
+        if (!registrations) continue;
+        for (var j = 0; j < registrations.length; j++) {
+          var registration = registrations[j];
+          var options = registration.options;
+          if (node !== target && !options.subtree) continue;
+          if (type === "attributes" && !options.attributes) continue;
+          if (type === "attributes" && options.attributeFilter && (data.namespace !== null || options.attributeFilter.indexOf(data.name) === -1)) {
+            continue;
+          }
+          if (type === "characterData" && !options.characterData) continue;
+          if (type === "childList" && !options.childList) continue;
+          var observer = registration.observer;
+          interestedObservers[observer.uid_] = observer;
+          if (type === "attributes" && options.attributeOldValue || type === "characterData" && options.characterDataOldValue) {
+            associatedStrings[observer.uid_] = data.oldValue;
+          }
+        }
+      }
+      for (var uid in interestedObservers) {
+        var observer = interestedObservers[uid];
+        var record = new MutationRecord(type, target);
+        if ("name" in data && "namespace" in data) {
+          record.attributeName = data.name;
+          record.attributeNamespace = data.namespace;
+        }
+        if (data.addedNodes) record.addedNodes = data.addedNodes;
+        if (data.removedNodes) record.removedNodes = data.removedNodes;
+        if (data.previousSibling) record.previousSibling = data.previousSibling;
+        if (data.nextSibling) record.nextSibling = data.nextSibling;
+        if (associatedStrings[uid] !== undefined) record.oldValue = associatedStrings[uid];
+        scheduleCallback(observer);
+        observer.records_.push(record);
+      }
+    }
+    var slice = Array.prototype.slice;
+    function MutationObserverOptions(options) {
+      this.childList = !!options.childList;
+      this.subtree = !!options.subtree;
+      if (!("attributes" in options) && ("attributeOldValue" in options || "attributeFilter" in options)) {
+        this.attributes = true;
+      } else {
+        this.attributes = !!options.attributes;
+      }
+      if ("characterDataOldValue" in options && !("characterData" in options)) this.characterData = true; else this.characterData = !!options.characterData;
+      if (!this.attributes && (options.attributeOldValue || "attributeFilter" in options) || !this.characterData && options.characterDataOldValue) {
+        throw new TypeError();
+      }
+      this.characterData = !!options.characterData;
+      this.attributeOldValue = !!options.attributeOldValue;
+      this.characterDataOldValue = !!options.characterDataOldValue;
+      if ("attributeFilter" in options) {
+        if (options.attributeFilter == null || typeof options.attributeFilter !== "object") {
+          throw new TypeError();
+        }
+        this.attributeFilter = slice.call(options.attributeFilter);
+      } else {
+        this.attributeFilter = null;
+      }
+    }
+    var uidCounter = 0;
+    function MutationObserver(callback) {
+      this.callback_ = callback;
+      this.nodes_ = [];
+      this.records_ = [];
+      this.uid_ = ++uidCounter;
+      this.scheduled_ = false;
+    }
+    MutationObserver.prototype = {
+      constructor: MutationObserver,
+      observe: function(target, options) {
+        target = wrapIfNeeded(target);
+        var newOptions = new MutationObserverOptions(options);
+        var registration;
+        var registrations = registrationsTable.get(target);
+        if (!registrations) registrationsTable.set(target, registrations = []);
+        for (var i = 0; i < registrations.length; i++) {
+          if (registrations[i].observer === this) {
+            registration = registrations[i];
+            registration.removeTransientObservers();
+            registration.options = newOptions;
+          }
+        }
+        if (!registration) {
+          registration = new Registration(this, target, newOptions);
+          registrations.push(registration);
+          this.nodes_.push(target);
+        }
+      },
+      disconnect: function() {
+        this.nodes_.forEach(function(node) {
+          var registrations = registrationsTable.get(node);
+          for (var i = 0; i < registrations.length; i++) {
+            var registration = registrations[i];
+            if (registration.observer === this) {
+              registrations.splice(i, 1);
+              break;
+            }
+          }
+        }, this);
+        this.records_ = [];
+      },
+      takeRecords: function() {
+        var copyOfRecords = this.records_;
+        this.records_ = [];
+        return copyOfRecords;
+      }
+    };
+    function Registration(observer, target, options) {
+      this.observer = observer;
+      this.target = target;
+      this.options = options;
+      this.transientObservedNodes = [];
+    }
+    Registration.prototype = {
+      addTransientObserver: function(node) {
+        if (node === this.target) return;
+        scheduleCallback(this.observer);
+        this.transientObservedNodes.push(node);
+        var registrations = registrationsTable.get(node);
+        if (!registrations) registrationsTable.set(node, registrations = []);
+        registrations.push(this);
+      },
+      removeTransientObservers: function() {
+        var transientObservedNodes = this.transientObservedNodes;
+        this.transientObservedNodes = [];
+        for (var i = 0; i < transientObservedNodes.length; i++) {
+          var node = transientObservedNodes[i];
+          var registrations = registrationsTable.get(node);
+          for (var j = 0; j < registrations.length; j++) {
+            if (registrations[j] === this) {
+              registrations.splice(j, 1);
+              break;
+            }
+          }
+        }
+      }
+    };
+    scope.enqueueMutation = enqueueMutation;
+    scope.registerTransientObservers = registerTransientObservers;
+    scope.wrappers.MutationObserver = MutationObserver;
+    scope.wrappers.MutationRecord = MutationRecord;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    function TreeScope(root, parent) {
+      this.root = root;
+      this.parent = parent;
+    }
+    TreeScope.prototype = {
+      get renderer() {
+        if (this.root instanceof scope.wrappers.ShadowRoot) {
+          return scope.getRendererForHost(this.root.host);
+        }
+        return null;
+      },
+      contains: function(treeScope) {
+        for (;treeScope; treeScope = treeScope.parent) {
+          if (treeScope === this) return true;
+        }
+        return false;
+      }
+    };
+    function setTreeScope(node, treeScope) {
+      if (node.treeScope_ !== treeScope) {
+        node.treeScope_ = treeScope;
+        for (var sr = node.shadowRoot; sr; sr = sr.olderShadowRoot) {
+          sr.treeScope_.parent = treeScope;
+        }
+        for (var child = node.firstChild; child; child = child.nextSibling) {
+          setTreeScope(child, treeScope);
+        }
+      }
+    }
+    function getTreeScope(node) {
+      if (node instanceof scope.wrappers.Window) {
+        debugger;
+      }
+      if (node.treeScope_) return node.treeScope_;
+      var parent = node.parentNode;
+      var treeScope;
+      if (parent) treeScope = getTreeScope(parent); else treeScope = new TreeScope(node, null);
+      return node.treeScope_ = treeScope;
+    }
+    scope.TreeScope = TreeScope;
+    scope.getTreeScope = getTreeScope;
+    scope.setTreeScope = setTreeScope;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var forwardMethodsToWrapper = scope.forwardMethodsToWrapper;
+    var getTreeScope = scope.getTreeScope;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var setWrapper = scope.setWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var wrappers = scope.wrappers;
+    var wrappedFuns = new WeakMap();
+    var listenersTable = new WeakMap();
+    var handledEventsTable = new WeakMap();
+    var currentlyDispatchingEvents = new WeakMap();
+    var targetTable = new WeakMap();
+    var currentTargetTable = new WeakMap();
+    var relatedTargetTable = new WeakMap();
+    var eventPhaseTable = new WeakMap();
+    var stopPropagationTable = new WeakMap();
+    var stopImmediatePropagationTable = new WeakMap();
+    var eventHandlersTable = new WeakMap();
+    var eventPathTable = new WeakMap();
+    function isShadowRoot(node) {
+      return node instanceof wrappers.ShadowRoot;
+    }
+    function rootOfNode(node) {
+      return getTreeScope(node).root;
+    }
+    function getEventPath(node, event) {
+      var path = [];
+      var current = node;
+      path.push(current);
+      while (current) {
+        var destinationInsertionPoints = getDestinationInsertionPoints(current);
+        if (destinationInsertionPoints && destinationInsertionPoints.length > 0) {
+          for (var i = 0; i < destinationInsertionPoints.length; i++) {
+            var insertionPoint = destinationInsertionPoints[i];
+            if (isShadowInsertionPoint(insertionPoint)) {
+              var shadowRoot = rootOfNode(insertionPoint);
+              var olderShadowRoot = shadowRoot.olderShadowRoot;
+              if (olderShadowRoot) path.push(olderShadowRoot);
+            }
+            path.push(insertionPoint);
+          }
+          current = destinationInsertionPoints[destinationInsertionPoints.length - 1];
+        } else {
+          if (isShadowRoot(current)) {
+            if (inSameTree(node, current) && eventMustBeStopped(event)) {
+              break;
+            }
+            current = current.host;
+            path.push(current);
+          } else {
+            current = current.parentNode;
+            if (current) path.push(current);
+          }
+        }
+      }
+      return path;
+    }
+    function eventMustBeStopped(event) {
+      if (!event) return false;
+      switch (event.type) {
+       case "abort":
+       case "error":
+       case "select":
+       case "change":
+       case "load":
+       case "reset":
+       case "resize":
+       case "scroll":
+       case "selectstart":
+        return true;
+      }
+      return false;
+    }
+    function isShadowInsertionPoint(node) {
+      return node instanceof HTMLShadowElement;
+    }
+    function getDestinationInsertionPoints(node) {
+      return scope.getDestinationInsertionPoints(node);
+    }
+    function eventRetargetting(path, currentTarget) {
+      if (path.length === 0) return currentTarget;
+      if (currentTarget instanceof wrappers.Window) currentTarget = currentTarget.document;
+      var currentTargetTree = getTreeScope(currentTarget);
+      var originalTarget = path[0];
+      var originalTargetTree = getTreeScope(originalTarget);
+      var relativeTargetTree = lowestCommonInclusiveAncestor(currentTargetTree, originalTargetTree);
+      for (var i = 0; i < path.length; i++) {
+        var node = path[i];
+        if (getTreeScope(node) === relativeTargetTree) return node;
+      }
+      return path[path.length - 1];
+    }
+    function getTreeScopeAncestors(treeScope) {
+      var ancestors = [];
+      for (;treeScope; treeScope = treeScope.parent) {
+        ancestors.push(treeScope);
+      }
+      return ancestors;
+    }
+    function lowestCommonInclusiveAncestor(tsA, tsB) {
+      var ancestorsA = getTreeScopeAncestors(tsA);
+      var ancestorsB = getTreeScopeAncestors(tsB);
+      var result = null;
+      while (ancestorsA.length > 0 && ancestorsB.length > 0) {
+        var a = ancestorsA.pop();
+        var b = ancestorsB.pop();
+        if (a === b) result = a; else break;
+      }
+      return result;
+    }
+    function getTreeScopeRoot(ts) {
+      if (!ts.parent) return ts;
+      return getTreeScopeRoot(ts.parent);
+    }
+    function relatedTargetResolution(event, currentTarget, relatedTarget) {
+      if (currentTarget instanceof wrappers.Window) currentTarget = currentTarget.document;
+      var currentTargetTree = getTreeScope(currentTarget);
+      var relatedTargetTree = getTreeScope(relatedTarget);
+      var relatedTargetEventPath = getEventPath(relatedTarget, event);
+      var lowestCommonAncestorTree;
+      var lowestCommonAncestorTree = lowestCommonInclusiveAncestor(currentTargetTree, relatedTargetTree);
+      if (!lowestCommonAncestorTree) lowestCommonAncestorTree = relatedTargetTree.root;
+      for (var commonAncestorTree = lowestCommonAncestorTree; commonAncestorTree; commonAncestorTree = commonAncestorTree.parent) {
+        var adjustedRelatedTarget;
+        for (var i = 0; i < relatedTargetEventPath.length; i++) {
+          var node = relatedTargetEventPath[i];
+          if (getTreeScope(node) === commonAncestorTree) return node;
+        }
+      }
+      return null;
+    }
+    function inSameTree(a, b) {
+      return getTreeScope(a) === getTreeScope(b);
+    }
+    var NONE = 0;
+    var CAPTURING_PHASE = 1;
+    var AT_TARGET = 2;
+    var BUBBLING_PHASE = 3;
+    var pendingError;
+    function dispatchOriginalEvent(originalEvent) {
+      if (handledEventsTable.get(originalEvent)) return;
+      handledEventsTable.set(originalEvent, true);
+      dispatchEvent(wrap(originalEvent), wrap(originalEvent.target));
+      if (pendingError) {
+        var err = pendingError;
+        pendingError = null;
+        throw err;
+      }
+    }
+    function isLoadLikeEvent(event) {
+      switch (event.type) {
+       case "load":
+       case "beforeunload":
+       case "unload":
+        return true;
+      }
+      return false;
+    }
+    function dispatchEvent(event, originalWrapperTarget) {
+      if (currentlyDispatchingEvents.get(event)) throw new Error("InvalidStateError");
+      currentlyDispatchingEvents.set(event, true);
+      scope.renderAllPending();
+      var eventPath;
+      var overrideTarget;
+      var win;
+      if (isLoadLikeEvent(event) && !event.bubbles) {
+        var doc = originalWrapperTarget;
+        if (doc instanceof wrappers.Document && (win = doc.defaultView)) {
+          overrideTarget = doc;
+          eventPath = [];
+        }
+      }
+      if (!eventPath) {
+        if (originalWrapperTarget instanceof wrappers.Window) {
+          win = originalWrapperTarget;
+          eventPath = [];
+        } else {
+          eventPath = getEventPath(originalWrapperTarget, event);
+          if (!isLoadLikeEvent(event)) {
+            var doc = eventPath[eventPath.length - 1];
+            if (doc instanceof wrappers.Document) win = doc.defaultView;
+          }
+        }
+      }
+      eventPathTable.set(event, eventPath);
+      if (dispatchCapturing(event, eventPath, win, overrideTarget)) {
+        if (dispatchAtTarget(event, eventPath, win, overrideTarget)) {
+          dispatchBubbling(event, eventPath, win, overrideTarget);
+        }
+      }
+      eventPhaseTable.set(event, NONE);
+      currentTargetTable.delete(event, null);
+      currentlyDispatchingEvents.delete(event);
+      return event.defaultPrevented;
+    }
+    function dispatchCapturing(event, eventPath, win, overrideTarget) {
+      var phase = CAPTURING_PHASE;
+      if (win) {
+        if (!invoke(win, event, phase, eventPath, overrideTarget)) return false;
+      }
+      for (var i = eventPath.length - 1; i > 0; i--) {
+        if (!invoke(eventPath[i], event, phase, eventPath, overrideTarget)) return false;
+      }
+      return true;
+    }
+    function dispatchAtTarget(event, eventPath, win, overrideTarget) {
+      var phase = AT_TARGET;
+      var currentTarget = eventPath[0] || win;
+      return invoke(currentTarget, event, phase, eventPath, overrideTarget);
+    }
+    function dispatchBubbling(event, eventPath, win, overrideTarget) {
+      var phase = BUBBLING_PHASE;
+      for (var i = 1; i < eventPath.length; i++) {
+        if (!invoke(eventPath[i], event, phase, eventPath, overrideTarget)) return;
+      }
+      if (win && eventPath.length > 0) {
+        invoke(win, event, phase, eventPath, overrideTarget);
+      }
+    }
+    function invoke(currentTarget, event, phase, eventPath, overrideTarget) {
+      var listeners = listenersTable.get(currentTarget);
+      if (!listeners) return true;
+      var target = overrideTarget || eventRetargetting(eventPath, currentTarget);
+      if (target === currentTarget) {
+        if (phase === CAPTURING_PHASE) return true;
+        if (phase === BUBBLING_PHASE) phase = AT_TARGET;
+      } else if (phase === BUBBLING_PHASE && !event.bubbles) {
+        return true;
+      }
+      if ("relatedTarget" in event) {
+        var originalEvent = unwrap(event);
+        var unwrappedRelatedTarget = originalEvent.relatedTarget;
+        if (unwrappedRelatedTarget) {
+          if (unwrappedRelatedTarget instanceof Object && unwrappedRelatedTarget.addEventListener) {
+            var relatedTarget = wrap(unwrappedRelatedTarget);
+            var adjusted = relatedTargetResolution(event, currentTarget, relatedTarget);
+            if (adjusted === target) return true;
+          } else {
+            adjusted = null;
+          }
+          relatedTargetTable.set(event, adjusted);
+        }
+      }
+      eventPhaseTable.set(event, phase);
+      var type = event.type;
+      var anyRemoved = false;
+      targetTable.set(event, target);
+      currentTargetTable.set(event, currentTarget);
+      listeners.depth++;
+      for (var i = 0, len = listeners.length; i < len; i++) {
+        var listener = listeners[i];
+        if (listener.removed) {
+          anyRemoved = true;
+          continue;
+        }
+        if (listener.type !== type || !listener.capture && phase === CAPTURING_PHASE || listener.capture && phase === BUBBLING_PHASE) {
+          continue;
+        }
+        try {
+          if (typeof listener.handler === "function") listener.handler.call(currentTarget, event); else listener.handler.handleEvent(event);
+          if (stopImmediatePropagationTable.get(event)) return false;
+        } catch (ex) {
+          if (!pendingError) pendingError = ex;
+        }
+      }
+      listeners.depth--;
+      if (anyRemoved && listeners.depth === 0) {
+        var copy = listeners.slice();
+        listeners.length = 0;
+        for (var i = 0; i < copy.length; i++) {
+          if (!copy[i].removed) listeners.push(copy[i]);
+        }
+      }
+      return !stopPropagationTable.get(event);
+    }
+    function Listener(type, handler, capture) {
+      this.type = type;
+      this.handler = handler;
+      this.capture = Boolean(capture);
+    }
+    Listener.prototype = {
+      equals: function(that) {
+        return this.handler === that.handler && this.type === that.type && this.capture === that.capture;
+      },
+      get removed() {
+        return this.handler === null;
+      },
+      remove: function() {
+        this.handler = null;
+      }
+    };
+    var OriginalEvent = window.Event;
+    OriginalEvent.prototype.polymerBlackList_ = {
+      returnValue: true,
+      keyLocation: true
+    };
+    function Event(type, options) {
+      if (type instanceof OriginalEvent) {
+        var impl = type;
+        if (!OriginalBeforeUnloadEvent && impl.type === "beforeunload" && !(this instanceof BeforeUnloadEvent)) {
+          return new BeforeUnloadEvent(impl);
+        }
+        setWrapper(impl, this);
+      } else {
+        return wrap(constructEvent(OriginalEvent, "Event", type, options));
+      }
+    }
+    Event.prototype = {
+      get target() {
+        return targetTable.get(this);
+      },
+      get currentTarget() {
+        return currentTargetTable.get(this);
+      },
+      get eventPhase() {
+        return eventPhaseTable.get(this);
+      },
+      get path() {
+        var eventPath = eventPathTable.get(this);
+        if (!eventPath) return [];
+        return eventPath.slice();
+      },
+      stopPropagation: function() {
+        stopPropagationTable.set(this, true);
+      },
+      stopImmediatePropagation: function() {
+        stopPropagationTable.set(this, true);
+        stopImmediatePropagationTable.set(this, true);
+      }
+    };
+    var supportsDefaultPrevented = function() {
+      var e = document.createEvent("Event");
+      e.initEvent("test", true, true);
+      e.preventDefault();
+      return e.defaultPrevented;
+    }();
+    if (!supportsDefaultPrevented) {
+      Event.prototype.preventDefault = function() {
+        if (!this.cancelable) return;
+        unsafeUnwrap(this).preventDefault();
+        Object.defineProperty(this, "defaultPrevented", {
+          get: function() {
+            return true;
+          },
+          configurable: true
+        });
+      };
+    }
+    registerWrapper(OriginalEvent, Event, document.createEvent("Event"));
+    function unwrapOptions(options) {
+      if (!options || !options.relatedTarget) return options;
+      return Object.create(options, {
+        relatedTarget: {
+          value: unwrap(options.relatedTarget)
+        }
+      });
+    }
+    function registerGenericEvent(name, SuperEvent, prototype) {
+      var OriginalEvent = window[name];
+      var GenericEvent = function(type, options) {
+        if (type instanceof OriginalEvent) setWrapper(type, this); else return wrap(constructEvent(OriginalEvent, name, type, options));
+      };
+      GenericEvent.prototype = Object.create(SuperEvent.prototype);
+      if (prototype) mixin(GenericEvent.prototype, prototype);
+      if (OriginalEvent) {
+        try {
+          registerWrapper(OriginalEvent, GenericEvent, new OriginalEvent("temp"));
+        } catch (ex) {
+          registerWrapper(OriginalEvent, GenericEvent, document.createEvent(name));
+        }
+      }
+      return GenericEvent;
+    }
+    var UIEvent = registerGenericEvent("UIEvent", Event);
+    var CustomEvent = registerGenericEvent("CustomEvent", Event);
+    var relatedTargetProto = {
+      get relatedTarget() {
+        var relatedTarget = relatedTargetTable.get(this);
+        if (relatedTarget !== undefined) return relatedTarget;
+        return wrap(unwrap(this).relatedTarget);
+      }
+    };
+    function getInitFunction(name, relatedTargetIndex) {
+      return function() {
+        arguments[relatedTargetIndex] = unwrap(arguments[relatedTargetIndex]);
+        var impl = unwrap(this);
+        impl[name].apply(impl, arguments);
+      };
+    }
+    var mouseEventProto = mixin({
+      initMouseEvent: getInitFunction("initMouseEvent", 14)
+    }, relatedTargetProto);
+    var focusEventProto = mixin({
+      initFocusEvent: getInitFunction("initFocusEvent", 5)
+    }, relatedTargetProto);
+    var MouseEvent = registerGenericEvent("MouseEvent", UIEvent, mouseEventProto);
+    var FocusEvent = registerGenericEvent("FocusEvent", UIEvent, focusEventProto);
+    var defaultInitDicts = Object.create(null);
+    var supportsEventConstructors = function() {
+      try {
+        new window.FocusEvent("focus");
+      } catch (ex) {
+        return false;
+      }
+      return true;
+    }();
+    function constructEvent(OriginalEvent, name, type, options) {
+      if (supportsEventConstructors) return new OriginalEvent(type, unwrapOptions(options));
+      var event = unwrap(document.createEvent(name));
+      var defaultDict = defaultInitDicts[name];
+      var args = [ type ];
+      Object.keys(defaultDict).forEach(function(key) {
+        var v = options != null && key in options ? options[key] : defaultDict[key];
+        if (key === "relatedTarget") v = unwrap(v);
+        args.push(v);
+      });
+      event["init" + name].apply(event, args);
+      return event;
+    }
+    if (!supportsEventConstructors) {
+      var configureEventConstructor = function(name, initDict, superName) {
+        if (superName) {
+          var superDict = defaultInitDicts[superName];
+          initDict = mixin(mixin({}, superDict), initDict);
+        }
+        defaultInitDicts[name] = initDict;
+      };
+      configureEventConstructor("Event", {
+        bubbles: false,
+        cancelable: false
+      });
+      configureEventConstructor("CustomEvent", {
+        detail: null
+      }, "Event");
+      configureEventConstructor("UIEvent", {
+        view: null,
+        detail: 0
+      }, "Event");
+      configureEventConstructor("MouseEvent", {
+        screenX: 0,
+        screenY: 0,
+        clientX: 0,
+        clientY: 0,
+        ctrlKey: false,
+        altKey: false,
+        shiftKey: false,
+        metaKey: false,
+        button: 0,
+        relatedTarget: null
+      }, "UIEvent");
+      configureEventConstructor("FocusEvent", {
+        relatedTarget: null
+      }, "UIEvent");
+    }
+    var OriginalBeforeUnloadEvent = window.BeforeUnloadEvent;
+    function BeforeUnloadEvent(impl) {
+      Event.call(this, impl);
+    }
+    BeforeUnloadEvent.prototype = Object.create(Event.prototype);
+    mixin(BeforeUnloadEvent.prototype, {
+      get returnValue() {
+        return unsafeUnwrap(this).returnValue;
+      },
+      set returnValue(v) {
+        unsafeUnwrap(this).returnValue = v;
+      }
+    });
+    if (OriginalBeforeUnloadEvent) registerWrapper(OriginalBeforeUnloadEvent, BeforeUnloadEvent);
+    function isValidListener(fun) {
+      if (typeof fun === "function") return true;
+      return fun && fun.handleEvent;
+    }
+    function isMutationEvent(type) {
+      switch (type) {
+       case "DOMAttrModified":
+       case "DOMAttributeNameChanged":
+       case "DOMCharacterDataModified":
+       case "DOMElementNameChanged":
+       case "DOMNodeInserted":
+       case "DOMNodeInsertedIntoDocument":
+       case "DOMNodeRemoved":
+       case "DOMNodeRemovedFromDocument":
+       case "DOMSubtreeModified":
+        return true;
+      }
+      return false;
+    }
+    var OriginalEventTarget = window.EventTarget;
+    function EventTarget(impl) {
+      setWrapper(impl, this);
+    }
+    var methodNames = [ "addEventListener", "removeEventListener", "dispatchEvent" ];
+    [ Node, Window ].forEach(function(constructor) {
+      var p = constructor.prototype;
+      methodNames.forEach(function(name) {
+        Object.defineProperty(p, name + "_", {
+          value: p[name]
+        });
+      });
+    });
+    function getTargetToListenAt(wrapper) {
+      if (wrapper instanceof wrappers.ShadowRoot) wrapper = wrapper.host;
+      return unwrap(wrapper);
+    }
+    EventTarget.prototype = {
+      addEventListener: function(type, fun, capture) {
+        if (!isValidListener(fun) || isMutationEvent(type)) return;
+        var listener = new Listener(type, fun, capture);
+        var listeners = listenersTable.get(this);
+        if (!listeners) {
+          listeners = [];
+          listeners.depth = 0;
+          listenersTable.set(this, listeners);
+        } else {
+          for (var i = 0; i < listeners.length; i++) {
+            if (listener.equals(listeners[i])) return;
+          }
+        }
+        listeners.push(listener);
+        var target = getTargetToListenAt(this);
+        target.addEventListener_(type, dispatchOriginalEvent, true);
+      },
+      removeEventListener: function(type, fun, capture) {
+        capture = Boolean(capture);
+        var listeners = listenersTable.get(this);
+        if (!listeners) return;
+        var count = 0, found = false;
+        for (var i = 0; i < listeners.length; i++) {
+          if (listeners[i].type === type && listeners[i].capture === capture) {
+            count++;
+            if (listeners[i].handler === fun) {
+              found = true;
+              listeners[i].remove();
+            }
+          }
+        }
+        if (found && count === 1) {
+          var target = getTargetToListenAt(this);
+          target.removeEventListener_(type, dispatchOriginalEvent, true);
+        }
+      },
+      dispatchEvent: function(event) {
+        var nativeEvent = unwrap(event);
+        var eventType = nativeEvent.type;
+        handledEventsTable.set(nativeEvent, false);
+        scope.renderAllPending();
+        var tempListener;
+        if (!hasListenerInAncestors(this, eventType)) {
+          tempListener = function() {};
+          this.addEventListener(eventType, tempListener, true);
+        }
+        try {
+          return unwrap(this).dispatchEvent_(nativeEvent);
+        } finally {
+          if (tempListener) this.removeEventListener(eventType, tempListener, true);
+        }
+      }
+    };
+    function hasListener(node, type) {
+      var listeners = listenersTable.get(node);
+      if (listeners) {
+        for (var i = 0; i < listeners.length; i++) {
+          if (!listeners[i].removed && listeners[i].type === type) return true;
+        }
+      }
+      return false;
+    }
+    function hasListenerInAncestors(target, type) {
+      for (var node = unwrap(target); node; node = node.parentNode) {
+        if (hasListener(wrap(node), type)) return true;
+      }
+      return false;
+    }
+    if (OriginalEventTarget) registerWrapper(OriginalEventTarget, EventTarget);
+    function wrapEventTargetMethods(constructors) {
+      forwardMethodsToWrapper(constructors, methodNames);
+    }
+    var originalElementFromPoint = document.elementFromPoint;
+    function elementFromPoint(self, document, x, y) {
+      scope.renderAllPending();
+      var element = wrap(originalElementFromPoint.call(unsafeUnwrap(document), x, y));
+      if (!element) return null;
+      var path = getEventPath(element, null);
+      var idx = path.lastIndexOf(self);
+      if (idx == -1) return null; else path = path.slice(0, idx);
+      return eventRetargetting(path, self);
+    }
+    function getEventHandlerGetter(name) {
+      return function() {
+        var inlineEventHandlers = eventHandlersTable.get(this);
+        return inlineEventHandlers && inlineEventHandlers[name] && inlineEventHandlers[name].value || null;
+      };
+    }
+    function getEventHandlerSetter(name) {
+      var eventType = name.slice(2);
+      return function(value) {
+        var inlineEventHandlers = eventHandlersTable.get(this);
+        if (!inlineEventHandlers) {
+          inlineEventHandlers = Object.create(null);
+          eventHandlersTable.set(this, inlineEventHandlers);
+        }
+        var old = inlineEventHandlers[name];
+        if (old) this.removeEventListener(eventType, old.wrapped, false);
+        if (typeof value === "function") {
+          var wrapped = function(e) {
+            var rv = value.call(this, e);
+            if (rv === false) e.preventDefault(); else if (name === "onbeforeunload" && typeof rv === "string") e.returnValue = rv;
+          };
+          this.addEventListener(eventType, wrapped, false);
+          inlineEventHandlers[name] = {
+            value: value,
+            wrapped: wrapped
+          };
+        }
+      };
+    }
+    scope.elementFromPoint = elementFromPoint;
+    scope.getEventHandlerGetter = getEventHandlerGetter;
+    scope.getEventHandlerSetter = getEventHandlerSetter;
+    scope.wrapEventTargetMethods = wrapEventTargetMethods;
+    scope.wrappers.BeforeUnloadEvent = BeforeUnloadEvent;
+    scope.wrappers.CustomEvent = CustomEvent;
+    scope.wrappers.Event = Event;
+    scope.wrappers.EventTarget = EventTarget;
+    scope.wrappers.FocusEvent = FocusEvent;
+    scope.wrappers.MouseEvent = MouseEvent;
+    scope.wrappers.UIEvent = UIEvent;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var UIEvent = scope.wrappers.UIEvent;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var setWrapper = scope.setWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var wrap = scope.wrap;
+    var OriginalTouchEvent = window.TouchEvent;
+    if (!OriginalTouchEvent) return;
+    var nativeEvent;
+    try {
+      nativeEvent = document.createEvent("TouchEvent");
+    } catch (ex) {
+      return;
+    }
+    var nonEnumDescriptor = {
+      enumerable: false
+    };
+    function nonEnum(obj, prop) {
+      Object.defineProperty(obj, prop, nonEnumDescriptor);
+    }
+    function Touch(impl) {
+      setWrapper(impl, this);
+    }
+    Touch.prototype = {
+      get target() {
+        return wrap(unsafeUnwrap(this).target);
+      }
+    };
+    var descr = {
+      configurable: true,
+      enumerable: true,
+      get: null
+    };
+    [ "clientX", "clientY", "screenX", "screenY", "pageX", "pageY", "identifier", "webkitRadiusX", "webkitRadiusY", "webkitRotationAngle", "webkitForce" ].forEach(function(name) {
+      descr.get = function() {
+        return unsafeUnwrap(this)[name];
+      };
+      Object.defineProperty(Touch.prototype, name, descr);
+    });
+    function TouchList() {
+      this.length = 0;
+      nonEnum(this, "length");
+    }
+    TouchList.prototype = {
+      item: function(index) {
+        return this[index];
+      }
+    };
+    function wrapTouchList(nativeTouchList) {
+      var list = new TouchList();
+      for (var i = 0; i < nativeTouchList.length; i++) {
+        list[i] = new Touch(nativeTouchList[i]);
+      }
+      list.length = i;
+      return list;
+    }
+    function TouchEvent(impl) {
+      UIEvent.call(this, impl);
+    }
+    TouchEvent.prototype = Object.create(UIEvent.prototype);
+    mixin(TouchEvent.prototype, {
+      get touches() {
+        return wrapTouchList(unsafeUnwrap(this).touches);
+      },
+      get targetTouches() {
+        return wrapTouchList(unsafeUnwrap(this).targetTouches);
+      },
+      get changedTouches() {
+        return wrapTouchList(unsafeUnwrap(this).changedTouches);
+      },
+      initTouchEvent: function() {
+        throw new Error("Not implemented");
+      }
+    });
+    registerWrapper(OriginalTouchEvent, TouchEvent, nativeEvent);
+    scope.wrappers.Touch = Touch;
+    scope.wrappers.TouchEvent = TouchEvent;
+    scope.wrappers.TouchList = TouchList;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var wrap = scope.wrap;
+    var nonEnumDescriptor = {
+      enumerable: false
+    };
+    function nonEnum(obj, prop) {
+      Object.defineProperty(obj, prop, nonEnumDescriptor);
+    }
+    function NodeList() {
+      this.length = 0;
+      nonEnum(this, "length");
+    }
+    NodeList.prototype = {
+      item: function(index) {
+        return this[index];
+      }
+    };
+    nonEnum(NodeList.prototype, "item");
+    function wrapNodeList(list) {
+      if (list == null) return list;
+      var wrapperList = new NodeList();
+      for (var i = 0, length = list.length; i < length; i++) {
+        wrapperList[i] = wrap(list[i]);
+      }
+      wrapperList.length = length;
+      return wrapperList;
+    }
+    function addWrapNodeListMethod(wrapperConstructor, name) {
+      wrapperConstructor.prototype[name] = function() {
+        return wrapNodeList(unsafeUnwrap(this)[name].apply(unsafeUnwrap(this), arguments));
+      };
+    }
+    scope.wrappers.NodeList = NodeList;
+    scope.addWrapNodeListMethod = addWrapNodeListMethod;
+    scope.wrapNodeList = wrapNodeList;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    scope.wrapHTMLCollection = scope.wrapNodeList;
+    scope.wrappers.HTMLCollection = scope.wrappers.NodeList;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var EventTarget = scope.wrappers.EventTarget;
+    var NodeList = scope.wrappers.NodeList;
+    var TreeScope = scope.TreeScope;
+    var assert = scope.assert;
+    var defineWrapGetter = scope.defineWrapGetter;
+    var enqueueMutation = scope.enqueueMutation;
+    var getTreeScope = scope.getTreeScope;
+    var isWrapper = scope.isWrapper;
+    var mixin = scope.mixin;
+    var registerTransientObservers = scope.registerTransientObservers;
+    var registerWrapper = scope.registerWrapper;
+    var setTreeScope = scope.setTreeScope;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrap = scope.unwrap;
+    var unwrapIfNeeded = scope.unwrapIfNeeded;
+    var wrap = scope.wrap;
+    var wrapIfNeeded = scope.wrapIfNeeded;
+    var wrappers = scope.wrappers;
+    function assertIsNodeWrapper(node) {
+      assert(node instanceof Node);
+    }
+    function createOneElementNodeList(node) {
+      var nodes = new NodeList();
+      nodes[0] = node;
+      nodes.length = 1;
+      return nodes;
+    }
+    var surpressMutations = false;
+    function enqueueRemovalForInsertedNodes(node, parent, nodes) {
+      enqueueMutation(parent, "childList", {
+        removedNodes: nodes,
+        previousSibling: node.previousSibling,
+        nextSibling: node.nextSibling
+      });
+    }
+    function enqueueRemovalForInsertedDocumentFragment(df, nodes) {
+      enqueueMutation(df, "childList", {
+        removedNodes: nodes
+      });
+    }
+    function collectNodes(node, parentNode, previousNode, nextNode) {
+      if (node instanceof DocumentFragment) {
+        var nodes = collectNodesForDocumentFragment(node);
+        surpressMutations = true;
+        for (var i = nodes.length - 1; i >= 0; i--) {
+          node.removeChild(nodes[i]);
+          nodes[i].parentNode_ = parentNode;
+        }
+        surpressMutations = false;
+        for (var i = 0; i < nodes.length; i++) {
+          nodes[i].previousSibling_ = nodes[i - 1] || previousNode;
+          nodes[i].nextSibling_ = nodes[i + 1] || nextNode;
+        }
+        if (previousNode) previousNode.nextSibling_ = nodes[0];
+        if (nextNode) nextNode.previousSibling_ = nodes[nodes.length - 1];
+        return nodes;
+      }
+      var nodes = createOneElementNodeList(node);
+      var oldParent = node.parentNode;
+      if (oldParent) {
+        oldParent.removeChild(node);
+      }
+      node.parentNode_ = parentNode;
+      node.previousSibling_ = previousNode;
+      node.nextSibling_ = nextNode;
+      if (previousNode) previousNode.nextSibling_ = node;
+      if (nextNode) nextNode.previousSibling_ = node;
+      return nodes;
+    }
+    function collectNodesNative(node) {
+      if (node instanceof DocumentFragment) return collectNodesForDocumentFragment(node);
+      var nodes = createOneElementNodeList(node);
+      var oldParent = node.parentNode;
+      if (oldParent) enqueueRemovalForInsertedNodes(node, oldParent, nodes);
+      return nodes;
+    }
+    function collectNodesForDocumentFragment(node) {
+      var nodes = new NodeList();
+      var i = 0;
+      for (var child = node.firstChild; child; child = child.nextSibling) {
+        nodes[i++] = child;
+      }
+      nodes.length = i;
+      enqueueRemovalForInsertedDocumentFragment(node, nodes);
+      return nodes;
+    }
+    function snapshotNodeList(nodeList) {
+      return nodeList;
+    }
+    function nodeWasAdded(node, treeScope) {
+      setTreeScope(node, treeScope);
+      node.nodeIsInserted_();
+    }
+    function nodesWereAdded(nodes, parent) {
+      var treeScope = getTreeScope(parent);
+      for (var i = 0; i < nodes.length; i++) {
+        nodeWasAdded(nodes[i], treeScope);
+      }
+    }
+    function nodeWasRemoved(node) {
+      setTreeScope(node, new TreeScope(node, null));
+    }
+    function nodesWereRemoved(nodes) {
+      for (var i = 0; i < nodes.length; i++) {
+        nodeWasRemoved(nodes[i]);
+      }
+    }
+    function ensureSameOwnerDocument(parent, child) {
+      var ownerDoc = parent.nodeType === Node.DOCUMENT_NODE ? parent : parent.ownerDocument;
+      if (ownerDoc !== child.ownerDocument) ownerDoc.adoptNode(child);
+    }
+    function adoptNodesIfNeeded(owner, nodes) {
+      if (!nodes.length) return;
+      var ownerDoc = owner.ownerDocument;
+      if (ownerDoc === nodes[0].ownerDocument) return;
+      for (var i = 0; i < nodes.length; i++) {
+        scope.adoptNodeNoRemove(nodes[i], ownerDoc);
+      }
+    }
+    function unwrapNodesForInsertion(owner, nodes) {
+      adoptNodesIfNeeded(owner, nodes);
+      var length = nodes.length;
+      if (length === 1) return unwrap(nodes[0]);
+      var df = unwrap(owner.ownerDocument.createDocumentFragment());
+      for (var i = 0; i < length; i++) {
+        df.appendChild(unwrap(nodes[i]));
+      }
+      return df;
+    }
+    function clearChildNodes(wrapper) {
+      if (wrapper.firstChild_ !== undefined) {
+        var child = wrapper.firstChild_;
+        while (child) {
+          var tmp = child;
+          child = child.nextSibling_;
+          tmp.parentNode_ = tmp.previousSibling_ = tmp.nextSibling_ = undefined;
+        }
+      }
+      wrapper.firstChild_ = wrapper.lastChild_ = undefined;
+    }
+    function removeAllChildNodes(wrapper) {
+      if (wrapper.invalidateShadowRenderer()) {
+        var childWrapper = wrapper.firstChild;
+        while (childWrapper) {
+          assert(childWrapper.parentNode === wrapper);
+          var nextSibling = childWrapper.nextSibling;
+          var childNode = unwrap(childWrapper);
+          var parentNode = childNode.parentNode;
+          if (parentNode) originalRemoveChild.call(parentNode, childNode);
+          childWrapper.previousSibling_ = childWrapper.nextSibling_ = childWrapper.parentNode_ = null;
+          childWrapper = nextSibling;
+        }
+        wrapper.firstChild_ = wrapper.lastChild_ = null;
+      } else {
+        var node = unwrap(wrapper);
+        var child = node.firstChild;
+        var nextSibling;
+        while (child) {
+          nextSibling = child.nextSibling;
+          originalRemoveChild.call(node, child);
+          child = nextSibling;
+        }
+      }
+    }
+    function invalidateParent(node) {
+      var p = node.parentNode;
+      return p && p.invalidateShadowRenderer();
+    }
+    function cleanupNodes(nodes) {
+      for (var i = 0, n; i < nodes.length; i++) {
+        n = nodes[i];
+        n.parentNode.removeChild(n);
+      }
+    }
+    var originalImportNode = document.importNode;
+    var originalCloneNode = window.Node.prototype.cloneNode;
+    function cloneNode(node, deep, opt_doc) {
+      var clone;
+      if (opt_doc) clone = wrap(originalImportNode.call(opt_doc, unsafeUnwrap(node), false)); else clone = wrap(originalCloneNode.call(unsafeUnwrap(node), false));
+      if (deep) {
+        for (var child = node.firstChild; child; child = child.nextSibling) {
+          clone.appendChild(cloneNode(child, true, opt_doc));
+        }
+        if (node instanceof wrappers.HTMLTemplateElement) {
+          var cloneContent = clone.content;
+          for (var child = node.content.firstChild; child; child = child.nextSibling) {
+            cloneContent.appendChild(cloneNode(child, true, opt_doc));
+          }
+        }
+      }
+      return clone;
+    }
+    function contains(self, child) {
+      if (!child || getTreeScope(self) !== getTreeScope(child)) return false;
+      for (var node = child; node; node = node.parentNode) {
+        if (node === self) return true;
+      }
+      return false;
+    }
+    var OriginalNode = window.Node;
+    function Node(original) {
+      assert(original instanceof OriginalNode);
+      EventTarget.call(this, original);
+      this.parentNode_ = undefined;
+      this.firstChild_ = undefined;
+      this.lastChild_ = undefined;
+      this.nextSibling_ = undefined;
+      this.previousSibling_ = undefined;
+      this.treeScope_ = undefined;
+    }
+    var OriginalDocumentFragment = window.DocumentFragment;
+    var originalAppendChild = OriginalNode.prototype.appendChild;
+    var originalCompareDocumentPosition = OriginalNode.prototype.compareDocumentPosition;
+    var originalIsEqualNode = OriginalNode.prototype.isEqualNode;
+    var originalInsertBefore = OriginalNode.prototype.insertBefore;
+    var originalRemoveChild = OriginalNode.prototype.removeChild;
+    var originalReplaceChild = OriginalNode.prototype.replaceChild;
+    var isIEOrEdge = /Trident|Edge/.test(navigator.userAgent);
+    var removeChildOriginalHelper = isIEOrEdge ? function(parent, child) {
+      try {
+        originalRemoveChild.call(parent, child);
+      } catch (ex) {
+        if (!(parent instanceof OriginalDocumentFragment)) throw ex;
+      }
+    } : function(parent, child) {
+      originalRemoveChild.call(parent, child);
+    };
+    Node.prototype = Object.create(EventTarget.prototype);
+    mixin(Node.prototype, {
+      appendChild: function(childWrapper) {
+        return this.insertBefore(childWrapper, null);
+      },
+      insertBefore: function(childWrapper, refWrapper) {
+        assertIsNodeWrapper(childWrapper);
+        var refNode;
+        if (refWrapper) {
+          if (isWrapper(refWrapper)) {
+            refNode = unwrap(refWrapper);
+          } else {
+            refNode = refWrapper;
+            refWrapper = wrap(refNode);
+          }
+        } else {
+          refWrapper = null;
+          refNode = null;
+        }
+        refWrapper && assert(refWrapper.parentNode === this);
+        var nodes;
+        var previousNode = refWrapper ? refWrapper.previousSibling : this.lastChild;
+        var useNative = !this.invalidateShadowRenderer() && !invalidateParent(childWrapper);
+        if (useNative) nodes = collectNodesNative(childWrapper); else nodes = collectNodes(childWrapper, this, previousNode, refWrapper);
+        if (useNative) {
+          ensureSameOwnerDocument(this, childWrapper);
+          clearChildNodes(this);
+          originalInsertBefore.call(unsafeUnwrap(this), unwrap(childWrapper), refNode);
+        } else {
+          if (!previousNode) this.firstChild_ = nodes[0];
+          if (!refWrapper) {
+            this.lastChild_ = nodes[nodes.length - 1];
+            if (this.firstChild_ === undefined) this.firstChild_ = this.firstChild;
+          }
+          var parentNode = refNode ? refNode.parentNode : unsafeUnwrap(this);
+          if (parentNode) {
+            originalInsertBefore.call(parentNode, unwrapNodesForInsertion(this, nodes), refNode);
+          } else {
+            adoptNodesIfNeeded(this, nodes);
+          }
+        }
+        enqueueMutation(this, "childList", {
+          addedNodes: nodes,
+          nextSibling: refWrapper,
+          previousSibling: previousNode
+        });
+        nodesWereAdded(nodes, this);
+        return childWrapper;
+      },
+      removeChild: function(childWrapper) {
+        assertIsNodeWrapper(childWrapper);
+        if (childWrapper.parentNode !== this) {
+          var found = false;
+          var childNodes = this.childNodes;
+          for (var ieChild = this.firstChild; ieChild; ieChild = ieChild.nextSibling) {
+            if (ieChild === childWrapper) {
+              found = true;
+              break;
+            }
+          }
+          if (!found) {
+            throw new Error("NotFoundError");
+          }
+        }
+        var childNode = unwrap(childWrapper);
+        var childWrapperNextSibling = childWrapper.nextSibling;
+        var childWrapperPreviousSibling = childWrapper.previousSibling;
+        if (this.invalidateShadowRenderer()) {
+          var thisFirstChild = this.firstChild;
+          var thisLastChild = this.lastChild;
+          var parentNode = childNode.parentNode;
+          if (parentNode) removeChildOriginalHelper(parentNode, childNode);
+          if (thisFirstChild === childWrapper) this.firstChild_ = childWrapperNextSibling;
+          if (thisLastChild === childWrapper) this.lastChild_ = childWrapperPreviousSibling;
+          if (childWrapperPreviousSibling) childWrapperPreviousSibling.nextSibling_ = childWrapperNextSibling;
+          if (childWrapperNextSibling) {
+            childWrapperNextSibling.previousSibling_ = childWrapperPreviousSibling;
+          }
+          childWrapper.previousSibling_ = childWrapper.nextSibling_ = childWrapper.parentNode_ = undefined;
+        } else {
+          clearChildNodes(this);
+          removeChildOriginalHelper(unsafeUnwrap(this), childNode);
+        }
+        if (!surpressMutations) {
+          enqueueMutation(this, "childList", {
+            removedNodes: createOneElementNodeList(childWrapper),
+            nextSibling: childWrapperNextSibling,
+            previousSibling: childWrapperPreviousSibling
+          });
+        }
+        registerTransientObservers(this, childWrapper);
+        return childWrapper;
+      },
+      replaceChild: function(newChildWrapper, oldChildWrapper) {
+        assertIsNodeWrapper(newChildWrapper);
+        var oldChildNode;
+        if (isWrapper(oldChildWrapper)) {
+          oldChildNode = unwrap(oldChildWrapper);
+        } else {
+          oldChildNode = oldChildWrapper;
+          oldChildWrapper = wrap(oldChildNode);
+        }
+        if (oldChildWrapper.parentNode !== this) {
+          throw new Error("NotFoundError");
+        }
+        var nextNode = oldChildWrapper.nextSibling;
+        var previousNode = oldChildWrapper.previousSibling;
+        var nodes;
+        var useNative = !this.invalidateShadowRenderer() && !invalidateParent(newChildWrapper);
+        if (useNative) {
+          nodes = collectNodesNative(newChildWrapper);
+        } else {
+          if (nextNode === newChildWrapper) nextNode = newChildWrapper.nextSibling;
+          nodes = collectNodes(newChildWrapper, this, previousNode, nextNode);
+        }
+        if (!useNative) {
+          if (this.firstChild === oldChildWrapper) this.firstChild_ = nodes[0];
+          if (this.lastChild === oldChildWrapper) this.lastChild_ = nodes[nodes.length - 1];
+          oldChildWrapper.previousSibling_ = oldChildWrapper.nextSibling_ = oldChildWrapper.parentNode_ = undefined;
+          if (oldChildNode.parentNode) {
+            originalReplaceChild.call(oldChildNode.parentNode, unwrapNodesForInsertion(this, nodes), oldChildNode);
+          }
+        } else {
+          ensureSameOwnerDocument(this, newChildWrapper);
+          clearChildNodes(this);
+          originalReplaceChild.call(unsafeUnwrap(this), unwrap(newChildWrapper), oldChildNode);
+        }
+        enqueueMutation(this, "childList", {
+          addedNodes: nodes,
+          removedNodes: createOneElementNodeList(oldChildWrapper),
+          nextSibling: nextNode,
+          previousSibling: previousNode
+        });
+        nodeWasRemoved(oldChildWrapper);
+        nodesWereAdded(nodes, this);
+        return oldChildWrapper;
+      },
+      nodeIsInserted_: function() {
+        for (var child = this.firstChild; child; child = child.nextSibling) {
+          child.nodeIsInserted_();
+        }
+      },
+      hasChildNodes: function() {
+        return this.firstChild !== null;
+      },
+      get parentNode() {
+        return this.parentNode_ !== undefined ? this.parentNode_ : wrap(unsafeUnwrap(this).parentNode);
+      },
+      get firstChild() {
+        return this.firstChild_ !== undefined ? this.firstChild_ : wrap(unsafeUnwrap(this).firstChild);
+      },
+      get lastChild() {
+        return this.lastChild_ !== undefined ? this.lastChild_ : wrap(unsafeUnwrap(this).lastChild);
+      },
+      get nextSibling() {
+        return this.nextSibling_ !== undefined ? this.nextSibling_ : wrap(unsafeUnwrap(this).nextSibling);
+      },
+      get previousSibling() {
+        return this.previousSibling_ !== undefined ? this.previousSibling_ : wrap(unsafeUnwrap(this).previousSibling);
+      },
+      get parentElement() {
+        var p = this.parentNode;
+        while (p && p.nodeType !== Node.ELEMENT_NODE) {
+          p = p.parentNode;
+        }
+        return p;
+      },
+      get textContent() {
+        var s = "";
+        for (var child = this.firstChild; child; child = child.nextSibling) {
+          if (child.nodeType != Node.COMMENT_NODE) {
+            s += child.textContent;
+          }
+        }
+        return s;
+      },
+      set textContent(textContent) {
+        if (textContent == null) textContent = "";
+        var removedNodes = snapshotNodeList(this.childNodes);
+        if (this.invalidateShadowRenderer()) {
+          removeAllChildNodes(this);
+          if (textContent !== "") {
+            var textNode = unsafeUnwrap(this).ownerDocument.createTextNode(textContent);
+            this.appendChild(textNode);
+          }
+        } else {
+          clearChildNodes(this);
+          unsafeUnwrap(this).textContent = textContent;
+        }
+        var addedNodes = snapshotNodeList(this.childNodes);
+        enqueueMutation(this, "childList", {
+          addedNodes: addedNodes,
+          removedNodes: removedNodes
+        });
+        nodesWereRemoved(removedNodes);
+        nodesWereAdded(addedNodes, this);
+      },
+      get childNodes() {
+        var wrapperList = new NodeList();
+        var i = 0;
+        for (var child = this.firstChild; child; child = child.nextSibling) {
+          wrapperList[i++] = child;
+        }
+        wrapperList.length = i;
+        return wrapperList;
+      },
+      cloneNode: function(deep) {
+        return cloneNode(this, deep);
+      },
+      contains: function(child) {
+        return contains(this, wrapIfNeeded(child));
+      },
+      compareDocumentPosition: function(otherNode) {
+        return originalCompareDocumentPosition.call(unsafeUnwrap(this), unwrapIfNeeded(otherNode));
+      },
+      isEqualNode: function(otherNode) {
+        return originalIsEqualNode.call(unsafeUnwrap(this), unwrapIfNeeded(otherNode));
+      },
+      normalize: function() {
+        var nodes = snapshotNodeList(this.childNodes);
+        var remNodes = [];
+        var s = "";
+        var modNode;
+        for (var i = 0, n; i < nodes.length; i++) {
+          n = nodes[i];
+          if (n.nodeType === Node.TEXT_NODE) {
+            if (!modNode && !n.data.length) this.removeChild(n); else if (!modNode) modNode = n; else {
+              s += n.data;
+              remNodes.push(n);
+            }
+          } else {
+            if (modNode && remNodes.length) {
+              modNode.data += s;
+              cleanupNodes(remNodes);
+            }
+            remNodes = [];
+            s = "";
+            modNode = null;
+            if (n.childNodes.length) n.normalize();
+          }
+        }
+        if (modNode && remNodes.length) {
+          modNode.data += s;
+          cleanupNodes(remNodes);
+        }
+      }
+    });
+    defineWrapGetter(Node, "ownerDocument");
+    registerWrapper(OriginalNode, Node, document.createDocumentFragment());
+    delete Node.prototype.querySelector;
+    delete Node.prototype.querySelectorAll;
+    Node.prototype = mixin(Object.create(EventTarget.prototype), Node.prototype);
+    scope.cloneNode = cloneNode;
+    scope.nodeWasAdded = nodeWasAdded;
+    scope.nodeWasRemoved = nodeWasRemoved;
+    scope.nodesWereAdded = nodesWereAdded;
+    scope.nodesWereRemoved = nodesWereRemoved;
+    scope.originalInsertBefore = originalInsertBefore;
+    scope.originalRemoveChild = originalRemoveChild;
+    scope.snapshotNodeList = snapshotNodeList;
+    scope.wrappers.Node = Node;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLCollection = scope.wrappers.HTMLCollection;
+    var NodeList = scope.wrappers.NodeList;
+    var getTreeScope = scope.getTreeScope;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var wrap = scope.wrap;
+    var originalDocumentQuerySelector = document.querySelector;
+    var originalElementQuerySelector = document.documentElement.querySelector;
+    var originalDocumentQuerySelectorAll = document.querySelectorAll;
+    var originalElementQuerySelectorAll = document.documentElement.querySelectorAll;
+    var originalDocumentGetElementsByTagName = document.getElementsByTagName;
+    var originalElementGetElementsByTagName = document.documentElement.getElementsByTagName;
+    var originalDocumentGetElementsByTagNameNS = document.getElementsByTagNameNS;
+    var originalElementGetElementsByTagNameNS = document.documentElement.getElementsByTagNameNS;
+    var OriginalElement = window.Element;
+    var OriginalDocument = window.HTMLDocument || window.Document;
+    function filterNodeList(list, index, result, deep) {
+      var wrappedItem = null;
+      var root = null;
+      for (var i = 0, length = list.length; i < length; i++) {
+        wrappedItem = wrap(list[i]);
+        if (!deep && (root = getTreeScope(wrappedItem).root)) {
+          if (root instanceof scope.wrappers.ShadowRoot) {
+            continue;
+          }
+        }
+        result[index++] = wrappedItem;
+      }
+      return index;
+    }
+    function shimSelector(selector) {
+      return String(selector).replace(/\/deep\/|::shadow|>>>/g, " ");
+    }
+    function shimMatchesSelector(selector) {
+      return String(selector).replace(/:host\(([^\s]+)\)/g, "$1").replace(/([^\s]):host/g, "$1").replace(":host", "*").replace(/\^|\/shadow\/|\/shadow-deep\/|::shadow|\/deep\/|::content|>>>/g, " ");
+    }
+    function findOne(node, selector) {
+      var m, el = node.firstElementChild;
+      while (el) {
+        if (el.matches(selector)) return el;
+        m = findOne(el, selector);
+        if (m) return m;
+        el = el.nextElementSibling;
+      }
+      return null;
+    }
+    function matchesSelector(el, selector) {
+      return el.matches(selector);
+    }
+    var XHTML_NS = "http://www.w3.org/1999/xhtml";
+    function matchesTagName(el, localName, localNameLowerCase) {
+      var ln = el.localName;
+      return ln === localName || ln === localNameLowerCase && el.namespaceURI === XHTML_NS;
+    }
+    function matchesEveryThing() {
+      return true;
+    }
+    function matchesLocalNameOnly(el, ns, localName) {
+      return el.localName === localName;
+    }
+    function matchesNameSpace(el, ns) {
+      return el.namespaceURI === ns;
+    }
+    function matchesLocalNameNS(el, ns, localName) {
+      return el.namespaceURI === ns && el.localName === localName;
+    }
+    function findElements(node, index, result, p, arg0, arg1) {
+      var el = node.firstElementChild;
+      while (el) {
+        if (p(el, arg0, arg1)) result[index++] = el;
+        index = findElements(el, index, result, p, arg0, arg1);
+        el = el.nextElementSibling;
+      }
+      return index;
+    }
+    function querySelectorAllFiltered(p, index, result, selector, deep) {
+      var target = unsafeUnwrap(this);
+      var list;
+      var root = getTreeScope(this).root;
+      if (root instanceof scope.wrappers.ShadowRoot) {
+        return findElements(this, index, result, p, selector, null);
+      } else if (target instanceof OriginalElement) {
+        list = originalElementQuerySelectorAll.call(target, selector);
+      } else if (target instanceof OriginalDocument) {
+        list = originalDocumentQuerySelectorAll.call(target, selector);
+      } else {
+        return findElements(this, index, result, p, selector, null);
+      }
+      return filterNodeList(list, index, result, deep);
+    }
+    var SelectorsInterface = {
+      querySelector: function(selector) {
+        var shimmed = shimSelector(selector);
+        var deep = shimmed !== selector;
+        selector = shimmed;
+        var target = unsafeUnwrap(this);
+        var wrappedItem;
+        var root = getTreeScope(this).root;
+        if (root instanceof scope.wrappers.ShadowRoot) {
+          return findOne(this, selector);
+        } else if (target instanceof OriginalElement) {
+          wrappedItem = wrap(originalElementQuerySelector.call(target, selector));
+        } else if (target instanceof OriginalDocument) {
+          wrappedItem = wrap(originalDocumentQuerySelector.call(target, selector));
+        } else {
+          return findOne(this, selector);
+        }
+        if (!wrappedItem) {
+          return wrappedItem;
+        } else if (!deep && (root = getTreeScope(wrappedItem).root)) {
+          if (root instanceof scope.wrappers.ShadowRoot) {
+            return findOne(this, selector);
+          }
+        }
+        return wrappedItem;
+      },
+      querySelectorAll: function(selector) {
+        var shimmed = shimSelector(selector);
+        var deep = shimmed !== selector;
+        selector = shimmed;
+        var result = new NodeList();
+        result.length = querySelectorAllFiltered.call(this, matchesSelector, 0, result, selector, deep);
+        return result;
+      }
+    };
+    var MatchesInterface = {
+      matches: function(selector) {
+        selector = shimMatchesSelector(selector);
+        return scope.originalMatches.call(unsafeUnwrap(this), selector);
+      }
+    };
+    function getElementsByTagNameFiltered(p, index, result, localName, lowercase) {
+      var target = unsafeUnwrap(this);
+      var list;
+      var root = getTreeScope(this).root;
+      if (root instanceof scope.wrappers.ShadowRoot) {
+        return findElements(this, index, result, p, localName, lowercase);
+      } else if (target instanceof OriginalElement) {
+        list = originalElementGetElementsByTagName.call(target, localName, lowercase);
+      } else if (target instanceof OriginalDocument) {
+        list = originalDocumentGetElementsByTagName.call(target, localName, lowercase);
+      } else {
+        return findElements(this, index, result, p, localName, lowercase);
+      }
+      return filterNodeList(list, index, result, false);
+    }
+    function getElementsByTagNameNSFiltered(p, index, result, ns, localName) {
+      var target = unsafeUnwrap(this);
+      var list;
+      var root = getTreeScope(this).root;
+      if (root instanceof scope.wrappers.ShadowRoot) {
+        return findElements(this, index, result, p, ns, localName);
+      } else if (target instanceof OriginalElement) {
+        list = originalElementGetElementsByTagNameNS.call(target, ns, localName);
+      } else if (target instanceof OriginalDocument) {
+        list = originalDocumentGetElementsByTagNameNS.call(target, ns, localName);
+      } else {
+        return findElements(this, index, result, p, ns, localName);
+      }
+      return filterNodeList(list, index, result, false);
+    }
+    var GetElementsByInterface = {
+      getElementsByTagName: function(localName) {
+        var result = new HTMLCollection();
+        var match = localName === "*" ? matchesEveryThing : matchesTagName;
+        result.length = getElementsByTagNameFiltered.call(this, match, 0, result, localName, localName.toLowerCase());
+        return result;
+      },
+      getElementsByClassName: function(className) {
+        return this.querySelectorAll("." + className);
+      },
+      getElementsByTagNameNS: function(ns, localName) {
+        var result = new HTMLCollection();
+        var match = null;
+        if (ns === "*") {
+          match = localName === "*" ? matchesEveryThing : matchesLocalNameOnly;
+        } else {
+          match = localName === "*" ? matchesNameSpace : matchesLocalNameNS;
+        }
+        result.length = getElementsByTagNameNSFiltered.call(this, match, 0, result, ns || null, localName);
+        return result;
+      }
+    };
+    scope.GetElementsByInterface = GetElementsByInterface;
+    scope.SelectorsInterface = SelectorsInterface;
+    scope.MatchesInterface = MatchesInterface;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var NodeList = scope.wrappers.NodeList;
+    function forwardElement(node) {
+      while (node && node.nodeType !== Node.ELEMENT_NODE) {
+        node = node.nextSibling;
+      }
+      return node;
+    }
+    function backwardsElement(node) {
+      while (node && node.nodeType !== Node.ELEMENT_NODE) {
+        node = node.previousSibling;
+      }
+      return node;
+    }
+    var ParentNodeInterface = {
+      get firstElementChild() {
+        return forwardElement(this.firstChild);
+      },
+      get lastElementChild() {
+        return backwardsElement(this.lastChild);
+      },
+      get childElementCount() {
+        var count = 0;
+        for (var child = this.firstElementChild; child; child = child.nextElementSibling) {
+          count++;
+        }
+        return count;
+      },
+      get children() {
+        var wrapperList = new NodeList();
+        var i = 0;
+        for (var child = this.firstElementChild; child; child = child.nextElementSibling) {
+          wrapperList[i++] = child;
+        }
+        wrapperList.length = i;
+        return wrapperList;
+      },
+      remove: function() {
+        var p = this.parentNode;
+        if (p) p.removeChild(this);
+      }
+    };
+    var ChildNodeInterface = {
+      get nextElementSibling() {
+        return forwardElement(this.nextSibling);
+      },
+      get previousElementSibling() {
+        return backwardsElement(this.previousSibling);
+      }
+    };
+    var NonElementParentNodeInterface = {
+      getElementById: function(id) {
+        if (/[ \t\n\r\f]/.test(id)) return null;
+        return this.querySelector('[id="' + id + '"]');
+      }
+    };
+    scope.ChildNodeInterface = ChildNodeInterface;
+    scope.NonElementParentNodeInterface = NonElementParentNodeInterface;
+    scope.ParentNodeInterface = ParentNodeInterface;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var ChildNodeInterface = scope.ChildNodeInterface;
+    var Node = scope.wrappers.Node;
+    var enqueueMutation = scope.enqueueMutation;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var OriginalCharacterData = window.CharacterData;
+    function CharacterData(node) {
+      Node.call(this, node);
+    }
+    CharacterData.prototype = Object.create(Node.prototype);
+    mixin(CharacterData.prototype, {
+      get nodeValue() {
+        return this.data;
+      },
+      set nodeValue(data) {
+        this.data = data;
+      },
+      get textContent() {
+        return this.data;
+      },
+      set textContent(value) {
+        this.data = value;
+      },
+      get data() {
+        return unsafeUnwrap(this).data;
+      },
+      set data(value) {
+        var oldValue = unsafeUnwrap(this).data;
+        enqueueMutation(this, "characterData", {
+          oldValue: oldValue
+        });
+        unsafeUnwrap(this).data = value;
+      }
+    });
+    mixin(CharacterData.prototype, ChildNodeInterface);
+    registerWrapper(OriginalCharacterData, CharacterData, document.createTextNode(""));
+    scope.wrappers.CharacterData = CharacterData;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var CharacterData = scope.wrappers.CharacterData;
+    var enqueueMutation = scope.enqueueMutation;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    function toUInt32(x) {
+      return x >>> 0;
+    }
+    var OriginalText = window.Text;
+    function Text(node) {
+      CharacterData.call(this, node);
+    }
+    Text.prototype = Object.create(CharacterData.prototype);
+    mixin(Text.prototype, {
+      splitText: function(offset) {
+        offset = toUInt32(offset);
+        var s = this.data;
+        if (offset > s.length) throw new Error("IndexSizeError");
+        var head = s.slice(0, offset);
+        var tail = s.slice(offset);
+        this.data = head;
+        var newTextNode = this.ownerDocument.createTextNode(tail);
+        if (this.parentNode) this.parentNode.insertBefore(newTextNode, this.nextSibling);
+        return newTextNode;
+      }
+    });
+    registerWrapper(OriginalText, Text, document.createTextNode(""));
+    scope.wrappers.Text = Text;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    if (!window.DOMTokenList) {
+      console.warn("Missing DOMTokenList prototype, please include a " + "compatible classList polyfill such as http://goo.gl/uTcepH.");
+      return;
+    }
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var enqueueMutation = scope.enqueueMutation;
+    function getClass(el) {
+      return unsafeUnwrap(el).getAttribute("class");
+    }
+    function enqueueClassAttributeChange(el, oldValue) {
+      enqueueMutation(el, "attributes", {
+        name: "class",
+        namespace: null,
+        oldValue: oldValue
+      });
+    }
+    function invalidateClass(el) {
+      scope.invalidateRendererBasedOnAttribute(el, "class");
+    }
+    function changeClass(tokenList, method, args) {
+      var ownerElement = tokenList.ownerElement_;
+      if (ownerElement == null) {
+        return method.apply(tokenList, args);
+      }
+      var oldValue = getClass(ownerElement);
+      var retv = method.apply(tokenList, args);
+      if (getClass(ownerElement) !== oldValue) {
+        enqueueClassAttributeChange(ownerElement, oldValue);
+        invalidateClass(ownerElement);
+      }
+      return retv;
+    }
+    var oldAdd = DOMTokenList.prototype.add;
+    DOMTokenList.prototype.add = function() {
+      changeClass(this, oldAdd, arguments);
+    };
+    var oldRemove = DOMTokenList.prototype.remove;
+    DOMTokenList.prototype.remove = function() {
+      changeClass(this, oldRemove, arguments);
+    };
+    var oldToggle = DOMTokenList.prototype.toggle;
+    DOMTokenList.prototype.toggle = function() {
+      return changeClass(this, oldToggle, arguments);
+    };
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var ChildNodeInterface = scope.ChildNodeInterface;
+    var GetElementsByInterface = scope.GetElementsByInterface;
+    var Node = scope.wrappers.Node;
+    var ParentNodeInterface = scope.ParentNodeInterface;
+    var SelectorsInterface = scope.SelectorsInterface;
+    var MatchesInterface = scope.MatchesInterface;
+    var addWrapNodeListMethod = scope.addWrapNodeListMethod;
+    var enqueueMutation = scope.enqueueMutation;
+    var mixin = scope.mixin;
+    var oneOf = scope.oneOf;
+    var registerWrapper = scope.registerWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var wrappers = scope.wrappers;
+    var OriginalElement = window.Element;
+    var matchesNames = [ "matches", "mozMatchesSelector", "msMatchesSelector", "webkitMatchesSelector" ].filter(function(name) {
+      return OriginalElement.prototype[name];
+    });
+    var matchesName = matchesNames[0];
+    var originalMatches = OriginalElement.prototype[matchesName];
+    function invalidateRendererBasedOnAttribute(element, name) {
+      var p = element.parentNode;
+      if (!p || !p.shadowRoot) return;
+      var renderer = scope.getRendererForHost(p);
+      if (renderer.dependsOnAttribute(name)) renderer.invalidate();
+    }
+    function enqueAttributeChange(element, name, oldValue) {
+      enqueueMutation(element, "attributes", {
+        name: name,
+        namespace: null,
+        oldValue: oldValue
+      });
+    }
+    var classListTable = new WeakMap();
+    function Element(node) {
+      Node.call(this, node);
+    }
+    Element.prototype = Object.create(Node.prototype);
+    mixin(Element.prototype, {
+      createShadowRoot: function() {
+        var newShadowRoot = new wrappers.ShadowRoot(this);
+        unsafeUnwrap(this).polymerShadowRoot_ = newShadowRoot;
+        var renderer = scope.getRendererForHost(this);
+        renderer.invalidate();
+        return newShadowRoot;
+      },
+      get shadowRoot() {
+        return unsafeUnwrap(this).polymerShadowRoot_ || null;
+      },
+      setAttribute: function(name, value) {
+        var oldValue = unsafeUnwrap(this).getAttribute(name);
+        unsafeUnwrap(this).setAttribute(name, value);
+        enqueAttributeChange(this, name, oldValue);
+        invalidateRendererBasedOnAttribute(this, name);
+      },
+      removeAttribute: function(name) {
+        var oldValue = unsafeUnwrap(this).getAttribute(name);
+        unsafeUnwrap(this).removeAttribute(name);
+        enqueAttributeChange(this, name, oldValue);
+        invalidateRendererBasedOnAttribute(this, name);
+      },
+      get classList() {
+        var list = classListTable.get(this);
+        if (!list) {
+          list = unsafeUnwrap(this).classList;
+          if (!list) return;
+          list.ownerElement_ = this;
+          classListTable.set(this, list);
+        }
+        return list;
+      },
+      get className() {
+        return unsafeUnwrap(this).className;
+      },
+      set className(v) {
+        this.setAttribute("class", v);
+      },
+      get id() {
+        return unsafeUnwrap(this).id;
+      },
+      set id(v) {
+        this.setAttribute("id", v);
+      }
+    });
+    matchesNames.forEach(function(name) {
+      if (name !== "matches") {
+        Element.prototype[name] = function(selector) {
+          return this.matches(selector);
+        };
+      }
+    });
+    if (OriginalElement.prototype.webkitCreateShadowRoot) {
+      Element.prototype.webkitCreateShadowRoot = Element.prototype.createShadowRoot;
+    }
+    mixin(Element.prototype, ChildNodeInterface);
+    mixin(Element.prototype, GetElementsByInterface);
+    mixin(Element.prototype, ParentNodeInterface);
+    mixin(Element.prototype, SelectorsInterface);
+    mixin(Element.prototype, MatchesInterface);
+    registerWrapper(OriginalElement, Element, document.createElementNS(null, "x"));
+    scope.invalidateRendererBasedOnAttribute = invalidateRendererBasedOnAttribute;
+    scope.matchesNames = matchesNames;
+    scope.originalMatches = originalMatches;
+    scope.wrappers.Element = Element;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var Element = scope.wrappers.Element;
+    var defineGetter = scope.defineGetter;
+    var enqueueMutation = scope.enqueueMutation;
+    var mixin = scope.mixin;
+    var nodesWereAdded = scope.nodesWereAdded;
+    var nodesWereRemoved = scope.nodesWereRemoved;
+    var registerWrapper = scope.registerWrapper;
+    var snapshotNodeList = scope.snapshotNodeList;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var wrappers = scope.wrappers;
+    var escapeAttrRegExp = /[&\u00A0"]/g;
+    var escapeDataRegExp = /[&\u00A0<>]/g;
+    function escapeReplace(c) {
+      switch (c) {
+       case "&":
+        return "&amp;";
+
+       case "<":
+        return "&lt;";
+
+       case ">":
+        return "&gt;";
+
+       case '"':
+        return "&quot;";
+
+       case " ":
+        return "&nbsp;";
+      }
+    }
+    function escapeAttr(s) {
+      return s.replace(escapeAttrRegExp, escapeReplace);
+    }
+    function escapeData(s) {
+      return s.replace(escapeDataRegExp, escapeReplace);
+    }
+    function makeSet(arr) {
+      var set = {};
+      for (var i = 0; i < arr.length; i++) {
+        set[arr[i]] = true;
+      }
+      return set;
+    }
+    var voidElements = makeSet([ "area", "base", "br", "col", "command", "embed", "hr", "img", "input", "keygen", "link", "meta", "param", "source", "track", "wbr" ]);
+    var plaintextParents = makeSet([ "style", "script", "xmp", "iframe", "noembed", "noframes", "plaintext", "noscript" ]);
+    var XHTML_NS = "http://www.w3.org/1999/xhtml";
+    function needsSelfClosingSlash(node) {
+      if (node.namespaceURI !== XHTML_NS) return true;
+      var doctype = node.ownerDocument.doctype;
+      return doctype && doctype.publicId && doctype.systemId;
+    }
+    function getOuterHTML(node, parentNode) {
+      switch (node.nodeType) {
+       case Node.ELEMENT_NODE:
+        var tagName = node.tagName.toLowerCase();
+        var s = "<" + tagName;
+        var attrs = node.attributes;
+        for (var i = 0, attr; attr = attrs[i]; i++) {
+          s += " " + attr.name + '="' + escapeAttr(attr.value) + '"';
+        }
+        if (voidElements[tagName]) {
+          if (needsSelfClosingSlash(node)) s += "/";
+          return s + ">";
+        }
+        return s + ">" + getInnerHTML(node) + "</" + tagName + ">";
+
+       case Node.TEXT_NODE:
+        var data = node.data;
+        if (parentNode && plaintextParents[parentNode.localName]) return data;
+        return escapeData(data);
+
+       case Node.COMMENT_NODE:
+        return "<!--" + node.data + "-->";
+
+       default:
+        console.error(node);
+        throw new Error("not implemented");
+      }
+    }
+    function getInnerHTML(node) {
+      if (node instanceof wrappers.HTMLTemplateElement) node = node.content;
+      var s = "";
+      for (var child = node.firstChild; child; child = child.nextSibling) {
+        s += getOuterHTML(child, node);
+      }
+      return s;
+    }
+    function setInnerHTML(node, value, opt_tagName) {
+      var tagName = opt_tagName || "div";
+      node.textContent = "";
+      var tempElement = unwrap(node.ownerDocument.createElement(tagName));
+      tempElement.innerHTML = value;
+      var firstChild;
+      while (firstChild = tempElement.firstChild) {
+        node.appendChild(wrap(firstChild));
+      }
+    }
+    var oldIe = /MSIE/.test(navigator.userAgent);
+    var OriginalHTMLElement = window.HTMLElement;
+    var OriginalHTMLTemplateElement = window.HTMLTemplateElement;
+    function HTMLElement(node) {
+      Element.call(this, node);
+    }
+    HTMLElement.prototype = Object.create(Element.prototype);
+    mixin(HTMLElement.prototype, {
+      get innerHTML() {
+        return getInnerHTML(this);
+      },
+      set innerHTML(value) {
+        if (oldIe && plaintextParents[this.localName]) {
+          this.textContent = value;
+          return;
+        }
+        var removedNodes = snapshotNodeList(this.childNodes);
+        if (this.invalidateShadowRenderer()) {
+          if (this instanceof wrappers.HTMLTemplateElement) setInnerHTML(this.content, value); else setInnerHTML(this, value, this.tagName);
+        } else if (!OriginalHTMLTemplateElement && this instanceof wrappers.HTMLTemplateElement) {
+          setInnerHTML(this.content, value);
+        } else {
+          unsafeUnwrap(this).innerHTML = value;
+        }
+        var addedNodes = snapshotNodeList(this.childNodes);
+        enqueueMutation(this, "childList", {
+          addedNodes: addedNodes,
+          removedNodes: removedNodes
+        });
+        nodesWereRemoved(removedNodes);
+        nodesWereAdded(addedNodes, this);
+      },
+      get outerHTML() {
+        return getOuterHTML(this, this.parentNode);
+      },
+      set outerHTML(value) {
+        var p = this.parentNode;
+        if (p) {
+          p.invalidateShadowRenderer();
+          var df = frag(p, value);
+          p.replaceChild(df, this);
+        }
+      },
+      insertAdjacentHTML: function(position, text) {
+        var contextElement, refNode;
+        switch (String(position).toLowerCase()) {
+         case "beforebegin":
+          contextElement = this.parentNode;
+          refNode = this;
+          break;
+
+         case "afterend":
+          contextElement = this.parentNode;
+          refNode = this.nextSibling;
+          break;
+
+         case "afterbegin":
+          contextElement = this;
+          refNode = this.firstChild;
+          break;
+
+         case "beforeend":
+          contextElement = this;
+          refNode = null;
+          break;
+
+         default:
+          return;
+        }
+        var df = frag(contextElement, text);
+        contextElement.insertBefore(df, refNode);
+      },
+      get hidden() {
+        return this.hasAttribute("hidden");
+      },
+      set hidden(v) {
+        if (v) {
+          this.setAttribute("hidden", "");
+        } else {
+          this.removeAttribute("hidden");
+        }
+      }
+    });
+    function frag(contextElement, html) {
+      var p = unwrap(contextElement.cloneNode(false));
+      p.innerHTML = html;
+      var df = unwrap(document.createDocumentFragment());
+      var c;
+      while (c = p.firstChild) {
+        df.appendChild(c);
+      }
+      return wrap(df);
+    }
+    function getter(name) {
+      return function() {
+        scope.renderAllPending();
+        return unsafeUnwrap(this)[name];
+      };
+    }
+    function getterRequiresRendering(name) {
+      defineGetter(HTMLElement, name, getter(name));
+    }
+    [ "clientHeight", "clientLeft", "clientTop", "clientWidth", "offsetHeight", "offsetLeft", "offsetTop", "offsetWidth", "scrollHeight", "scrollWidth" ].forEach(getterRequiresRendering);
+    function getterAndSetterRequiresRendering(name) {
+      Object.defineProperty(HTMLElement.prototype, name, {
+        get: getter(name),
+        set: function(v) {
+          scope.renderAllPending();
+          unsafeUnwrap(this)[name] = v;
+        },
+        configurable: true,
+        enumerable: true
+      });
+    }
+    [ "scrollLeft", "scrollTop" ].forEach(getterAndSetterRequiresRendering);
+    function methodRequiresRendering(name) {
+      Object.defineProperty(HTMLElement.prototype, name, {
+        value: function() {
+          scope.renderAllPending();
+          return unsafeUnwrap(this)[name].apply(unsafeUnwrap(this), arguments);
+        },
+        configurable: true,
+        enumerable: true
+      });
+    }
+    [ "focus", "getBoundingClientRect", "getClientRects", "scrollIntoView" ].forEach(methodRequiresRendering);
+    registerWrapper(OriginalHTMLElement, HTMLElement, document.createElement("b"));
+    scope.wrappers.HTMLElement = HTMLElement;
+    scope.getInnerHTML = getInnerHTML;
+    scope.setInnerHTML = setInnerHTML;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var wrap = scope.wrap;
+    var OriginalHTMLCanvasElement = window.HTMLCanvasElement;
+    function HTMLCanvasElement(node) {
+      HTMLElement.call(this, node);
+    }
+    HTMLCanvasElement.prototype = Object.create(HTMLElement.prototype);
+    mixin(HTMLCanvasElement.prototype, {
+      getContext: function() {
+        var context = unsafeUnwrap(this).getContext.apply(unsafeUnwrap(this), arguments);
+        return context && wrap(context);
+      }
+    });
+    registerWrapper(OriginalHTMLCanvasElement, HTMLCanvasElement, document.createElement("canvas"));
+    scope.wrappers.HTMLCanvasElement = HTMLCanvasElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var OriginalHTMLContentElement = window.HTMLContentElement;
+    function HTMLContentElement(node) {
+      HTMLElement.call(this, node);
+    }
+    HTMLContentElement.prototype = Object.create(HTMLElement.prototype);
+    mixin(HTMLContentElement.prototype, {
+      constructor: HTMLContentElement,
+      get select() {
+        return this.getAttribute("select");
+      },
+      set select(value) {
+        this.setAttribute("select", value);
+      },
+      setAttribute: function(n, v) {
+        HTMLElement.prototype.setAttribute.call(this, n, v);
+        if (String(n).toLowerCase() === "select") this.invalidateShadowRenderer(true);
+      }
+    });
+    if (OriginalHTMLContentElement) registerWrapper(OriginalHTMLContentElement, HTMLContentElement);
+    scope.wrappers.HTMLContentElement = HTMLContentElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var wrapHTMLCollection = scope.wrapHTMLCollection;
+    var unwrap = scope.unwrap;
+    var OriginalHTMLFormElement = window.HTMLFormElement;
+    function HTMLFormElement(node) {
+      HTMLElement.call(this, node);
+    }
+    HTMLFormElement.prototype = Object.create(HTMLElement.prototype);
+    mixin(HTMLFormElement.prototype, {
+      get elements() {
+        return wrapHTMLCollection(unwrap(this).elements);
+      }
+    });
+    registerWrapper(OriginalHTMLFormElement, HTMLFormElement, document.createElement("form"));
+    scope.wrappers.HTMLFormElement = HTMLFormElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var registerWrapper = scope.registerWrapper;
+    var unwrap = scope.unwrap;
+    var rewrap = scope.rewrap;
+    var OriginalHTMLImageElement = window.HTMLImageElement;
+    function HTMLImageElement(node) {
+      HTMLElement.call(this, node);
+    }
+    HTMLImageElement.prototype = Object.create(HTMLElement.prototype);
+    registerWrapper(OriginalHTMLImageElement, HTMLImageElement, document.createElement("img"));
+    function Image(width, height) {
+      if (!(this instanceof Image)) {
+        throw new TypeError("DOM object constructor cannot be called as a function.");
+      }
+      var node = unwrap(document.createElement("img"));
+      HTMLElement.call(this, node);
+      rewrap(node, this);
+      if (width !== undefined) node.width = width;
+      if (height !== undefined) node.height = height;
+    }
+    Image.prototype = HTMLImageElement.prototype;
+    scope.wrappers.HTMLImageElement = HTMLImageElement;
+    scope.wrappers.Image = Image;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var mixin = scope.mixin;
+    var NodeList = scope.wrappers.NodeList;
+    var registerWrapper = scope.registerWrapper;
+    var OriginalHTMLShadowElement = window.HTMLShadowElement;
+    function HTMLShadowElement(node) {
+      HTMLElement.call(this, node);
+    }
+    HTMLShadowElement.prototype = Object.create(HTMLElement.prototype);
+    HTMLShadowElement.prototype.constructor = HTMLShadowElement;
+    if (OriginalHTMLShadowElement) registerWrapper(OriginalHTMLShadowElement, HTMLShadowElement);
+    scope.wrappers.HTMLShadowElement = HTMLShadowElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var contentTable = new WeakMap();
+    var templateContentsOwnerTable = new WeakMap();
+    function getTemplateContentsOwner(doc) {
+      if (!doc.defaultView) return doc;
+      var d = templateContentsOwnerTable.get(doc);
+      if (!d) {
+        d = doc.implementation.createHTMLDocument("");
+        while (d.lastChild) {
+          d.removeChild(d.lastChild);
+        }
+        templateContentsOwnerTable.set(doc, d);
+      }
+      return d;
+    }
+    function extractContent(templateElement) {
+      var doc = getTemplateContentsOwner(templateElement.ownerDocument);
+      var df = unwrap(doc.createDocumentFragment());
+      var child;
+      while (child = templateElement.firstChild) {
+        df.appendChild(child);
+      }
+      return df;
+    }
+    var OriginalHTMLTemplateElement = window.HTMLTemplateElement;
+    function HTMLTemplateElement(node) {
+      HTMLElement.call(this, node);
+      if (!OriginalHTMLTemplateElement) {
+        var content = extractContent(node);
+        contentTable.set(this, wrap(content));
+      }
+    }
+    HTMLTemplateElement.prototype = Object.create(HTMLElement.prototype);
+    mixin(HTMLTemplateElement.prototype, {
+      constructor: HTMLTemplateElement,
+      get content() {
+        if (OriginalHTMLTemplateElement) return wrap(unsafeUnwrap(this).content);
+        return contentTable.get(this);
+      }
+    });
+    if (OriginalHTMLTemplateElement) registerWrapper(OriginalHTMLTemplateElement, HTMLTemplateElement);
+    scope.wrappers.HTMLTemplateElement = HTMLTemplateElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var registerWrapper = scope.registerWrapper;
+    var OriginalHTMLMediaElement = window.HTMLMediaElement;
+    if (!OriginalHTMLMediaElement) return;
+    function HTMLMediaElement(node) {
+      HTMLElement.call(this, node);
+    }
+    HTMLMediaElement.prototype = Object.create(HTMLElement.prototype);
+    registerWrapper(OriginalHTMLMediaElement, HTMLMediaElement, document.createElement("audio"));
+    scope.wrappers.HTMLMediaElement = HTMLMediaElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLMediaElement = scope.wrappers.HTMLMediaElement;
+    var registerWrapper = scope.registerWrapper;
+    var unwrap = scope.unwrap;
+    var rewrap = scope.rewrap;
+    var OriginalHTMLAudioElement = window.HTMLAudioElement;
+    if (!OriginalHTMLAudioElement) return;
+    function HTMLAudioElement(node) {
+      HTMLMediaElement.call(this, node);
+    }
+    HTMLAudioElement.prototype = Object.create(HTMLMediaElement.prototype);
+    registerWrapper(OriginalHTMLAudioElement, HTMLAudioElement, document.createElement("audio"));
+    function Audio(src) {
+      if (!(this instanceof Audio)) {
+        throw new TypeError("DOM object constructor cannot be called as a function.");
+      }
+      var node = unwrap(document.createElement("audio"));
+      HTMLMediaElement.call(this, node);
+      rewrap(node, this);
+      node.setAttribute("preload", "auto");
+      if (src !== undefined) node.setAttribute("src", src);
+    }
+    Audio.prototype = HTMLAudioElement.prototype;
+    scope.wrappers.HTMLAudioElement = HTMLAudioElement;
+    scope.wrappers.Audio = Audio;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var rewrap = scope.rewrap;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var OriginalHTMLOptionElement = window.HTMLOptionElement;
+    function trimText(s) {
+      return s.replace(/\s+/g, " ").trim();
+    }
+    function HTMLOptionElement(node) {
+      HTMLElement.call(this, node);
+    }
+    HTMLOptionElement.prototype = Object.create(HTMLElement.prototype);
+    mixin(HTMLOptionElement.prototype, {
+      get text() {
+        return trimText(this.textContent);
+      },
+      set text(value) {
+        this.textContent = trimText(String(value));
+      },
+      get form() {
+        return wrap(unwrap(this).form);
+      }
+    });
+    registerWrapper(OriginalHTMLOptionElement, HTMLOptionElement, document.createElement("option"));
+    function Option(text, value, defaultSelected, selected) {
+      if (!(this instanceof Option)) {
+        throw new TypeError("DOM object constructor cannot be called as a function.");
+      }
+      var node = unwrap(document.createElement("option"));
+      HTMLElement.call(this, node);
+      rewrap(node, this);
+      if (text !== undefined) node.text = text;
+      if (value !== undefined) node.setAttribute("value", value);
+      if (defaultSelected === true) node.setAttribute("selected", "");
+      node.selected = selected === true;
+    }
+    Option.prototype = HTMLOptionElement.prototype;
+    scope.wrappers.HTMLOptionElement = HTMLOptionElement;
+    scope.wrappers.Option = Option;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var OriginalHTMLSelectElement = window.HTMLSelectElement;
+    function HTMLSelectElement(node) {
+      HTMLElement.call(this, node);
+    }
+    HTMLSelectElement.prototype = Object.create(HTMLElement.prototype);
+    mixin(HTMLSelectElement.prototype, {
+      add: function(element, before) {
+        if (typeof before === "object") before = unwrap(before);
+        unwrap(this).add(unwrap(element), before);
+      },
+      remove: function(indexOrNode) {
+        if (indexOrNode === undefined) {
+          HTMLElement.prototype.remove.call(this);
+          return;
+        }
+        if (typeof indexOrNode === "object") indexOrNode = unwrap(indexOrNode);
+        unwrap(this).remove(indexOrNode);
+      },
+      get form() {
+        return wrap(unwrap(this).form);
+      }
+    });
+    registerWrapper(OriginalHTMLSelectElement, HTMLSelectElement, document.createElement("select"));
+    scope.wrappers.HTMLSelectElement = HTMLSelectElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var wrapHTMLCollection = scope.wrapHTMLCollection;
+    var OriginalHTMLTableElement = window.HTMLTableElement;
+    function HTMLTableElement(node) {
+      HTMLElement.call(this, node);
+    }
+    HTMLTableElement.prototype = Object.create(HTMLElement.prototype);
+    mixin(HTMLTableElement.prototype, {
+      get caption() {
+        return wrap(unwrap(this).caption);
+      },
+      createCaption: function() {
+        return wrap(unwrap(this).createCaption());
+      },
+      get tHead() {
+        return wrap(unwrap(this).tHead);
+      },
+      createTHead: function() {
+        return wrap(unwrap(this).createTHead());
+      },
+      createTFoot: function() {
+        return wrap(unwrap(this).createTFoot());
+      },
+      get tFoot() {
+        return wrap(unwrap(this).tFoot);
+      },
+      get tBodies() {
+        return wrapHTMLCollection(unwrap(this).tBodies);
+      },
+      createTBody: function() {
+        return wrap(unwrap(this).createTBody());
+      },
+      get rows() {
+        return wrapHTMLCollection(unwrap(this).rows);
+      },
+      insertRow: function(index) {
+        return wrap(unwrap(this).insertRow(index));
+      }
+    });
+    registerWrapper(OriginalHTMLTableElement, HTMLTableElement, document.createElement("table"));
+    scope.wrappers.HTMLTableElement = HTMLTableElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var wrapHTMLCollection = scope.wrapHTMLCollection;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var OriginalHTMLTableSectionElement = window.HTMLTableSectionElement;
+    function HTMLTableSectionElement(node) {
+      HTMLElement.call(this, node);
+    }
+    HTMLTableSectionElement.prototype = Object.create(HTMLElement.prototype);
+    mixin(HTMLTableSectionElement.prototype, {
+      constructor: HTMLTableSectionElement,
+      get rows() {
+        return wrapHTMLCollection(unwrap(this).rows);
+      },
+      insertRow: function(index) {
+        return wrap(unwrap(this).insertRow(index));
+      }
+    });
+    registerWrapper(OriginalHTMLTableSectionElement, HTMLTableSectionElement, document.createElement("thead"));
+    scope.wrappers.HTMLTableSectionElement = HTMLTableSectionElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var wrapHTMLCollection = scope.wrapHTMLCollection;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var OriginalHTMLTableRowElement = window.HTMLTableRowElement;
+    function HTMLTableRowElement(node) {
+      HTMLElement.call(this, node);
+    }
+    HTMLTableRowElement.prototype = Object.create(HTMLElement.prototype);
+    mixin(HTMLTableRowElement.prototype, {
+      get cells() {
+        return wrapHTMLCollection(unwrap(this).cells);
+      },
+      insertCell: function(index) {
+        return wrap(unwrap(this).insertCell(index));
+      }
+    });
+    registerWrapper(OriginalHTMLTableRowElement, HTMLTableRowElement, document.createElement("tr"));
+    scope.wrappers.HTMLTableRowElement = HTMLTableRowElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLContentElement = scope.wrappers.HTMLContentElement;
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var HTMLShadowElement = scope.wrappers.HTMLShadowElement;
+    var HTMLTemplateElement = scope.wrappers.HTMLTemplateElement;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var OriginalHTMLUnknownElement = window.HTMLUnknownElement;
+    function HTMLUnknownElement(node) {
+      switch (node.localName) {
+       case "content":
+        return new HTMLContentElement(node);
+
+       case "shadow":
+        return new HTMLShadowElement(node);
+
+       case "template":
+        return new HTMLTemplateElement(node);
+      }
+      HTMLElement.call(this, node);
+    }
+    HTMLUnknownElement.prototype = Object.create(HTMLElement.prototype);
+    registerWrapper(OriginalHTMLUnknownElement, HTMLUnknownElement);
+    scope.wrappers.HTMLUnknownElement = HTMLUnknownElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var Element = scope.wrappers.Element;
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var registerWrapper = scope.registerWrapper;
+    var defineWrapGetter = scope.defineWrapGetter;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var wrap = scope.wrap;
+    var mixin = scope.mixin;
+    var SVG_NS = "http://www.w3.org/2000/svg";
+    var OriginalSVGElement = window.SVGElement;
+    var svgTitleElement = document.createElementNS(SVG_NS, "title");
+    if (!("classList" in svgTitleElement)) {
+      var descr = Object.getOwnPropertyDescriptor(Element.prototype, "classList");
+      Object.defineProperty(HTMLElement.prototype, "classList", descr);
+      delete Element.prototype.classList;
+    }
+    function SVGElement(node) {
+      Element.call(this, node);
+    }
+    SVGElement.prototype = Object.create(Element.prototype);
+    mixin(SVGElement.prototype, {
+      get ownerSVGElement() {
+        return wrap(unsafeUnwrap(this).ownerSVGElement);
+      }
+    });
+    registerWrapper(OriginalSVGElement, SVGElement, document.createElementNS(SVG_NS, "title"));
+    scope.wrappers.SVGElement = SVGElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var OriginalSVGUseElement = window.SVGUseElement;
+    var SVG_NS = "http://www.w3.org/2000/svg";
+    var gWrapper = wrap(document.createElementNS(SVG_NS, "g"));
+    var useElement = document.createElementNS(SVG_NS, "use");
+    var SVGGElement = gWrapper.constructor;
+    var parentInterfacePrototype = Object.getPrototypeOf(SVGGElement.prototype);
+    var parentInterface = parentInterfacePrototype.constructor;
+    function SVGUseElement(impl) {
+      parentInterface.call(this, impl);
+    }
+    SVGUseElement.prototype = Object.create(parentInterfacePrototype);
+    if ("instanceRoot" in useElement) {
+      mixin(SVGUseElement.prototype, {
+        get instanceRoot() {
+          return wrap(unwrap(this).instanceRoot);
+        },
+        get animatedInstanceRoot() {
+          return wrap(unwrap(this).animatedInstanceRoot);
+        }
+      });
+    }
+    registerWrapper(OriginalSVGUseElement, SVGUseElement, useElement);
+    scope.wrappers.SVGUseElement = SVGUseElement;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var EventTarget = scope.wrappers.EventTarget;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var wrap = scope.wrap;
+    var OriginalSVGElementInstance = window.SVGElementInstance;
+    if (!OriginalSVGElementInstance) return;
+    function SVGElementInstance(impl) {
+      EventTarget.call(this, impl);
+    }
+    SVGElementInstance.prototype = Object.create(EventTarget.prototype);
+    mixin(SVGElementInstance.prototype, {
+      get correspondingElement() {
+        return wrap(unsafeUnwrap(this).correspondingElement);
+      },
+      get correspondingUseElement() {
+        return wrap(unsafeUnwrap(this).correspondingUseElement);
+      },
+      get parentNode() {
+        return wrap(unsafeUnwrap(this).parentNode);
+      },
+      get childNodes() {
+        throw new Error("Not implemented");
+      },
+      get firstChild() {
+        return wrap(unsafeUnwrap(this).firstChild);
+      },
+      get lastChild() {
+        return wrap(unsafeUnwrap(this).lastChild);
+      },
+      get previousSibling() {
+        return wrap(unsafeUnwrap(this).previousSibling);
+      },
+      get nextSibling() {
+        return wrap(unsafeUnwrap(this).nextSibling);
+      }
+    });
+    registerWrapper(OriginalSVGElementInstance, SVGElementInstance);
+    scope.wrappers.SVGElementInstance = SVGElementInstance;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var setWrapper = scope.setWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrap = scope.unwrap;
+    var unwrapIfNeeded = scope.unwrapIfNeeded;
+    var wrap = scope.wrap;
+    var OriginalCanvasRenderingContext2D = window.CanvasRenderingContext2D;
+    function CanvasRenderingContext2D(impl) {
+      setWrapper(impl, this);
+    }
+    mixin(CanvasRenderingContext2D.prototype, {
+      get canvas() {
+        return wrap(unsafeUnwrap(this).canvas);
+      },
+      drawImage: function() {
+        arguments[0] = unwrapIfNeeded(arguments[0]);
+        unsafeUnwrap(this).drawImage.apply(unsafeUnwrap(this), arguments);
+      },
+      createPattern: function() {
+        arguments[0] = unwrap(arguments[0]);
+        return unsafeUnwrap(this).createPattern.apply(unsafeUnwrap(this), arguments);
+      }
+    });
+    registerWrapper(OriginalCanvasRenderingContext2D, CanvasRenderingContext2D, document.createElement("canvas").getContext("2d"));
+    scope.wrappers.CanvasRenderingContext2D = CanvasRenderingContext2D;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var addForwardingProperties = scope.addForwardingProperties;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var setWrapper = scope.setWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrapIfNeeded = scope.unwrapIfNeeded;
+    var wrap = scope.wrap;
+    var OriginalWebGLRenderingContext = window.WebGLRenderingContext;
+    if (!OriginalWebGLRenderingContext) return;
+    function WebGLRenderingContext(impl) {
+      setWrapper(impl, this);
+    }
+    mixin(WebGLRenderingContext.prototype, {
+      get canvas() {
+        return wrap(unsafeUnwrap(this).canvas);
+      },
+      texImage2D: function() {
+        arguments[5] = unwrapIfNeeded(arguments[5]);
+        unsafeUnwrap(this).texImage2D.apply(unsafeUnwrap(this), arguments);
+      },
+      texSubImage2D: function() {
+        arguments[6] = unwrapIfNeeded(arguments[6]);
+        unsafeUnwrap(this).texSubImage2D.apply(unsafeUnwrap(this), arguments);
+      }
+    });
+    var OriginalWebGLRenderingContextBase = Object.getPrototypeOf(OriginalWebGLRenderingContext.prototype);
+    if (OriginalWebGLRenderingContextBase !== Object.prototype) {
+      addForwardingProperties(OriginalWebGLRenderingContextBase, WebGLRenderingContext.prototype);
+    }
+    var instanceProperties = /WebKit/.test(navigator.userAgent) ? {
+      drawingBufferHeight: null,
+      drawingBufferWidth: null
+    } : {};
+    registerWrapper(OriginalWebGLRenderingContext, WebGLRenderingContext, instanceProperties);
+    scope.wrappers.WebGLRenderingContext = WebGLRenderingContext;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var Node = scope.wrappers.Node;
+    var GetElementsByInterface = scope.GetElementsByInterface;
+    var NonElementParentNodeInterface = scope.NonElementParentNodeInterface;
+    var ParentNodeInterface = scope.ParentNodeInterface;
+    var SelectorsInterface = scope.SelectorsInterface;
+    var mixin = scope.mixin;
+    var registerObject = scope.registerObject;
+    var registerWrapper = scope.registerWrapper;
+    var OriginalDocumentFragment = window.DocumentFragment;
+    function DocumentFragment(node) {
+      Node.call(this, node);
+    }
+    DocumentFragment.prototype = Object.create(Node.prototype);
+    mixin(DocumentFragment.prototype, ParentNodeInterface);
+    mixin(DocumentFragment.prototype, SelectorsInterface);
+    mixin(DocumentFragment.prototype, GetElementsByInterface);
+    mixin(DocumentFragment.prototype, NonElementParentNodeInterface);
+    registerWrapper(OriginalDocumentFragment, DocumentFragment, document.createDocumentFragment());
+    scope.wrappers.DocumentFragment = DocumentFragment;
+    var Comment = registerObject(document.createComment(""));
+    scope.wrappers.Comment = Comment;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var DocumentFragment = scope.wrappers.DocumentFragment;
+    var TreeScope = scope.TreeScope;
+    var elementFromPoint = scope.elementFromPoint;
+    var getInnerHTML = scope.getInnerHTML;
+    var getTreeScope = scope.getTreeScope;
+    var mixin = scope.mixin;
+    var rewrap = scope.rewrap;
+    var setInnerHTML = scope.setInnerHTML;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var shadowHostTable = new WeakMap();
+    var nextOlderShadowTreeTable = new WeakMap();
+    function ShadowRoot(hostWrapper) {
+      var node = unwrap(unsafeUnwrap(hostWrapper).ownerDocument.createDocumentFragment());
+      DocumentFragment.call(this, node);
+      rewrap(node, this);
+      var oldShadowRoot = hostWrapper.shadowRoot;
+      nextOlderShadowTreeTable.set(this, oldShadowRoot);
+      this.treeScope_ = new TreeScope(this, getTreeScope(oldShadowRoot || hostWrapper));
+      shadowHostTable.set(this, hostWrapper);
+    }
+    ShadowRoot.prototype = Object.create(DocumentFragment.prototype);
+    mixin(ShadowRoot.prototype, {
+      constructor: ShadowRoot,
+      get innerHTML() {
+        return getInnerHTML(this);
+      },
+      set innerHTML(value) {
+        setInnerHTML(this, value);
+        this.invalidateShadowRenderer();
+      },
+      get olderShadowRoot() {
+        return nextOlderShadowTreeTable.get(this) || null;
+      },
+      get host() {
+        return shadowHostTable.get(this) || null;
+      },
+      invalidateShadowRenderer: function() {
+        return shadowHostTable.get(this).invalidateShadowRenderer();
+      },
+      elementFromPoint: function(x, y) {
+        return elementFromPoint(this, this.ownerDocument, x, y);
+      },
+      getSelection: function() {
+        return document.getSelection();
+      },
+      get activeElement() {
+        var unwrappedActiveElement = unwrap(this).ownerDocument.activeElement;
+        if (!unwrappedActiveElement || !unwrappedActiveElement.nodeType) return null;
+        var activeElement = wrap(unwrappedActiveElement);
+        while (!this.contains(activeElement)) {
+          while (activeElement.parentNode) {
+            activeElement = activeElement.parentNode;
+          }
+          if (activeElement.host) {
+            activeElement = activeElement.host;
+          } else {
+            return null;
+          }
+        }
+        return activeElement;
+      }
+    });
+    scope.wrappers.ShadowRoot = ShadowRoot;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var registerWrapper = scope.registerWrapper;
+    var setWrapper = scope.setWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrap = scope.unwrap;
+    var unwrapIfNeeded = scope.unwrapIfNeeded;
+    var wrap = scope.wrap;
+    var getTreeScope = scope.getTreeScope;
+    var OriginalRange = window.Range;
+    var ShadowRoot = scope.wrappers.ShadowRoot;
+    function getHost(node) {
+      var root = getTreeScope(node).root;
+      if (root instanceof ShadowRoot) {
+        return root.host;
+      }
+      return null;
+    }
+    function hostNodeToShadowNode(refNode, offset) {
+      if (refNode.shadowRoot) {
+        offset = Math.min(refNode.childNodes.length - 1, offset);
+        var child = refNode.childNodes[offset];
+        if (child) {
+          var insertionPoint = scope.getDestinationInsertionPoints(child);
+          if (insertionPoint.length > 0) {
+            var parentNode = insertionPoint[0].parentNode;
+            if (parentNode.nodeType == Node.ELEMENT_NODE) {
+              refNode = parentNode;
+            }
+          }
+        }
+      }
+      return refNode;
+    }
+    function shadowNodeToHostNode(node) {
+      node = wrap(node);
+      return getHost(node) || node;
+    }
+    function Range(impl) {
+      setWrapper(impl, this);
+    }
+    Range.prototype = {
+      get startContainer() {
+        return shadowNodeToHostNode(unsafeUnwrap(this).startContainer);
+      },
+      get endContainer() {
+        return shadowNodeToHostNode(unsafeUnwrap(this).endContainer);
+      },
+      get commonAncestorContainer() {
+        return shadowNodeToHostNode(unsafeUnwrap(this).commonAncestorContainer);
+      },
+      setStart: function(refNode, offset) {
+        refNode = hostNodeToShadowNode(refNode, offset);
+        unsafeUnwrap(this).setStart(unwrapIfNeeded(refNode), offset);
+      },
+      setEnd: function(refNode, offset) {
+        refNode = hostNodeToShadowNode(refNode, offset);
+        unsafeUnwrap(this).setEnd(unwrapIfNeeded(refNode), offset);
+      },
+      setStartBefore: function(refNode) {
+        unsafeUnwrap(this).setStartBefore(unwrapIfNeeded(refNode));
+      },
+      setStartAfter: function(refNode) {
+        unsafeUnwrap(this).setStartAfter(unwrapIfNeeded(refNode));
+      },
+      setEndBefore: function(refNode) {
+        unsafeUnwrap(this).setEndBefore(unwrapIfNeeded(refNode));
+      },
+      setEndAfter: function(refNode) {
+        unsafeUnwrap(this).setEndAfter(unwrapIfNeeded(refNode));
+      },
+      selectNode: function(refNode) {
+        unsafeUnwrap(this).selectNode(unwrapIfNeeded(refNode));
+      },
+      selectNodeContents: function(refNode) {
+        unsafeUnwrap(this).selectNodeContents(unwrapIfNeeded(refNode));
+      },
+      compareBoundaryPoints: function(how, sourceRange) {
+        return unsafeUnwrap(this).compareBoundaryPoints(how, unwrap(sourceRange));
+      },
+      extractContents: function() {
+        return wrap(unsafeUnwrap(this).extractContents());
+      },
+      cloneContents: function() {
+        return wrap(unsafeUnwrap(this).cloneContents());
+      },
+      insertNode: function(node) {
+        unsafeUnwrap(this).insertNode(unwrapIfNeeded(node));
+      },
+      surroundContents: function(newParent) {
+        unsafeUnwrap(this).surroundContents(unwrapIfNeeded(newParent));
+      },
+      cloneRange: function() {
+        return wrap(unsafeUnwrap(this).cloneRange());
+      },
+      isPointInRange: function(node, offset) {
+        return unsafeUnwrap(this).isPointInRange(unwrapIfNeeded(node), offset);
+      },
+      comparePoint: function(node, offset) {
+        return unsafeUnwrap(this).comparePoint(unwrapIfNeeded(node), offset);
+      },
+      intersectsNode: function(node) {
+        return unsafeUnwrap(this).intersectsNode(unwrapIfNeeded(node));
+      },
+      toString: function() {
+        return unsafeUnwrap(this).toString();
+      }
+    };
+    if (OriginalRange.prototype.createContextualFragment) {
+      Range.prototype.createContextualFragment = function(html) {
+        return wrap(unsafeUnwrap(this).createContextualFragment(html));
+      };
+    }
+    registerWrapper(window.Range, Range, document.createRange());
+    scope.wrappers.Range = Range;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var Element = scope.wrappers.Element;
+    var HTMLContentElement = scope.wrappers.HTMLContentElement;
+    var HTMLShadowElement = scope.wrappers.HTMLShadowElement;
+    var Node = scope.wrappers.Node;
+    var ShadowRoot = scope.wrappers.ShadowRoot;
+    var assert = scope.assert;
+    var getTreeScope = scope.getTreeScope;
+    var mixin = scope.mixin;
+    var oneOf = scope.oneOf;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var ArraySplice = scope.ArraySplice;
+    function updateWrapperUpAndSideways(wrapper) {
+      wrapper.previousSibling_ = wrapper.previousSibling;
+      wrapper.nextSibling_ = wrapper.nextSibling;
+      wrapper.parentNode_ = wrapper.parentNode;
+    }
+    function updateWrapperDown(wrapper) {
+      wrapper.firstChild_ = wrapper.firstChild;
+      wrapper.lastChild_ = wrapper.lastChild;
+    }
+    function updateAllChildNodes(parentNodeWrapper) {
+      assert(parentNodeWrapper instanceof Node);
+      for (var childWrapper = parentNodeWrapper.firstChild; childWrapper; childWrapper = childWrapper.nextSibling) {
+        updateWrapperUpAndSideways(childWrapper);
+      }
+      updateWrapperDown(parentNodeWrapper);
+    }
+    function insertBefore(parentNodeWrapper, newChildWrapper, refChildWrapper) {
+      var parentNode = unwrap(parentNodeWrapper);
+      var newChild = unwrap(newChildWrapper);
+      var refChild = refChildWrapper ? unwrap(refChildWrapper) : null;
+      remove(newChildWrapper);
+      updateWrapperUpAndSideways(newChildWrapper);
+      if (!refChildWrapper) {
+        parentNodeWrapper.lastChild_ = parentNodeWrapper.lastChild;
+        if (parentNodeWrapper.lastChild === parentNodeWrapper.firstChild) parentNodeWrapper.firstChild_ = parentNodeWrapper.firstChild;
+        var lastChildWrapper = wrap(parentNode.lastChild);
+        if (lastChildWrapper) lastChildWrapper.nextSibling_ = lastChildWrapper.nextSibling;
+      } else {
+        if (parentNodeWrapper.firstChild === refChildWrapper) parentNodeWrapper.firstChild_ = refChildWrapper;
+        refChildWrapper.previousSibling_ = refChildWrapper.previousSibling;
+      }
+      scope.originalInsertBefore.call(parentNode, newChild, refChild);
+    }
+    function remove(nodeWrapper) {
+      var node = unwrap(nodeWrapper);
+      var parentNode = node.parentNode;
+      if (!parentNode) return;
+      var parentNodeWrapper = wrap(parentNode);
+      updateWrapperUpAndSideways(nodeWrapper);
+      if (nodeWrapper.previousSibling) nodeWrapper.previousSibling.nextSibling_ = nodeWrapper;
+      if (nodeWrapper.nextSibling) nodeWrapper.nextSibling.previousSibling_ = nodeWrapper;
+      if (parentNodeWrapper.lastChild === nodeWrapper) parentNodeWrapper.lastChild_ = nodeWrapper;
+      if (parentNodeWrapper.firstChild === nodeWrapper) parentNodeWrapper.firstChild_ = nodeWrapper;
+      scope.originalRemoveChild.call(parentNode, node);
+    }
+    var distributedNodesTable = new WeakMap();
+    var destinationInsertionPointsTable = new WeakMap();
+    var rendererForHostTable = new WeakMap();
+    function resetDistributedNodes(insertionPoint) {
+      distributedNodesTable.set(insertionPoint, []);
+    }
+    function getDistributedNodes(insertionPoint) {
+      var rv = distributedNodesTable.get(insertionPoint);
+      if (!rv) distributedNodesTable.set(insertionPoint, rv = []);
+      return rv;
+    }
+    function getChildNodesSnapshot(node) {
+      var result = [], i = 0;
+      for (var child = node.firstChild; child; child = child.nextSibling) {
+        result[i++] = child;
+      }
+      return result;
+    }
+    var request = oneOf(window, [ "requestAnimationFrame", "mozRequestAnimationFrame", "webkitRequestAnimationFrame", "setTimeout" ]);
+    var pendingDirtyRenderers = [];
+    var renderTimer;
+    function renderAllPending() {
+      for (var i = 0; i < pendingDirtyRenderers.length; i++) {
+        var renderer = pendingDirtyRenderers[i];
+        var parentRenderer = renderer.parentRenderer;
+        if (parentRenderer && parentRenderer.dirty) continue;
+        renderer.render();
+      }
+      pendingDirtyRenderers = [];
+    }
+    function handleRequestAnimationFrame() {
+      renderTimer = null;
+      renderAllPending();
+    }
+    function getRendererForHost(host) {
+      var renderer = rendererForHostTable.get(host);
+      if (!renderer) {
+        renderer = new ShadowRenderer(host);
+        rendererForHostTable.set(host, renderer);
+      }
+      return renderer;
+    }
+    function getShadowRootAncestor(node) {
+      var root = getTreeScope(node).root;
+      if (root instanceof ShadowRoot) return root;
+      return null;
+    }
+    function getRendererForShadowRoot(shadowRoot) {
+      return getRendererForHost(shadowRoot.host);
+    }
+    var spliceDiff = new ArraySplice();
+    spliceDiff.equals = function(renderNode, rawNode) {
+      return unwrap(renderNode.node) === rawNode;
+    };
+    function RenderNode(node) {
+      this.skip = false;
+      this.node = node;
+      this.childNodes = [];
+    }
+    RenderNode.prototype = {
+      append: function(node) {
+        var rv = new RenderNode(node);
+        this.childNodes.push(rv);
+        return rv;
+      },
+      sync: function(opt_added) {
+        if (this.skip) return;
+        var nodeWrapper = this.node;
+        var newChildren = this.childNodes;
+        var oldChildren = getChildNodesSnapshot(unwrap(nodeWrapper));
+        var added = opt_added || new WeakMap();
+        var splices = spliceDiff.calculateSplices(newChildren, oldChildren);
+        var newIndex = 0, oldIndex = 0;
+        var lastIndex = 0;
+        for (var i = 0; i < splices.length; i++) {
+          var splice = splices[i];
+          for (;lastIndex < splice.index; lastIndex++) {
+            oldIndex++;
+            newChildren[newIndex++].sync(added);
+          }
+          var removedCount = splice.removed.length;
+          for (var j = 0; j < removedCount; j++) {
+            var wrapper = wrap(oldChildren[oldIndex++]);
+            if (!added.get(wrapper)) remove(wrapper);
+          }
+          var addedCount = splice.addedCount;
+          var refNode = oldChildren[oldIndex] && wrap(oldChildren[oldIndex]);
+          for (var j = 0; j < addedCount; j++) {
+            var newChildRenderNode = newChildren[newIndex++];
+            var newChildWrapper = newChildRenderNode.node;
+            insertBefore(nodeWrapper, newChildWrapper, refNode);
+            added.set(newChildWrapper, true);
+            newChildRenderNode.sync(added);
+          }
+          lastIndex += addedCount;
+        }
+        for (var i = lastIndex; i < newChildren.length; i++) {
+          newChildren[i].sync(added);
+        }
+      }
+    };
+    function ShadowRenderer(host) {
+      this.host = host;
+      this.dirty = false;
+      this.invalidateAttributes();
+      this.associateNode(host);
+    }
+    ShadowRenderer.prototype = {
+      render: function(opt_renderNode) {
+        if (!this.dirty) return;
+        this.invalidateAttributes();
+        var host = this.host;
+        this.distribution(host);
+        var renderNode = opt_renderNode || new RenderNode(host);
+        this.buildRenderTree(renderNode, host);
+        var topMostRenderer = !opt_renderNode;
+        if (topMostRenderer) renderNode.sync();
+        this.dirty = false;
+      },
+      get parentRenderer() {
+        return getTreeScope(this.host).renderer;
+      },
+      invalidate: function() {
+        if (!this.dirty) {
+          this.dirty = true;
+          var parentRenderer = this.parentRenderer;
+          if (parentRenderer) parentRenderer.invalidate();
+          pendingDirtyRenderers.push(this);
+          if (renderTimer) return;
+          renderTimer = window[request](handleRequestAnimationFrame, 0);
+        }
+      },
+      distribution: function(root) {
+        this.resetAllSubtrees(root);
+        this.distributionResolution(root);
+      },
+      resetAll: function(node) {
+        if (isInsertionPoint(node)) resetDistributedNodes(node); else resetDestinationInsertionPoints(node);
+        this.resetAllSubtrees(node);
+      },
+      resetAllSubtrees: function(node) {
+        for (var child = node.firstChild; child; child = child.nextSibling) {
+          this.resetAll(child);
+        }
+        if (node.shadowRoot) this.resetAll(node.shadowRoot);
+        if (node.olderShadowRoot) this.resetAll(node.olderShadowRoot);
+      },
+      distributionResolution: function(node) {
+        if (isShadowHost(node)) {
+          var shadowHost = node;
+          var pool = poolPopulation(shadowHost);
+          var shadowTrees = getShadowTrees(shadowHost);
+          for (var i = 0; i < shadowTrees.length; i++) {
+            this.poolDistribution(shadowTrees[i], pool);
+          }
+          for (var i = shadowTrees.length - 1; i >= 0; i--) {
+            var shadowTree = shadowTrees[i];
+            var shadow = getShadowInsertionPoint(shadowTree);
+            if (shadow) {
+              var olderShadowRoot = shadowTree.olderShadowRoot;
+              if (olderShadowRoot) {
+                pool = poolPopulation(olderShadowRoot);
+              }
+              for (var j = 0; j < pool.length; j++) {
+                destributeNodeInto(pool[j], shadow);
+              }
+            }
+            this.distributionResolution(shadowTree);
+          }
+        }
+        for (var child = node.firstChild; child; child = child.nextSibling) {
+          this.distributionResolution(child);
+        }
+      },
+      poolDistribution: function(node, pool) {
+        if (node instanceof HTMLShadowElement) return;
+        if (node instanceof HTMLContentElement) {
+          var content = node;
+          this.updateDependentAttributes(content.getAttribute("select"));
+          var anyDistributed = false;
+          for (var i = 0; i < pool.length; i++) {
+            var node = pool[i];
+            if (!node) continue;
+            if (matches(node, content)) {
+              destributeNodeInto(node, content);
+              pool[i] = undefined;
+              anyDistributed = true;
+            }
+          }
+          if (!anyDistributed) {
+            for (var child = content.firstChild; child; child = child.nextSibling) {
+              destributeNodeInto(child, content);
+            }
+          }
+          return;
+        }
+        for (var child = node.firstChild; child; child = child.nextSibling) {
+          this.poolDistribution(child, pool);
+        }
+      },
+      buildRenderTree: function(renderNode, node) {
+        var children = this.compose(node);
+        for (var i = 0; i < children.length; i++) {
+          var child = children[i];
+          var childRenderNode = renderNode.append(child);
+          this.buildRenderTree(childRenderNode, child);
+        }
+        if (isShadowHost(node)) {
+          var renderer = getRendererForHost(node);
+          renderer.dirty = false;
+        }
+      },
+      compose: function(node) {
+        var children = [];
+        var p = node.shadowRoot || node;
+        for (var child = p.firstChild; child; child = child.nextSibling) {
+          if (isInsertionPoint(child)) {
+            this.associateNode(p);
+            var distributedNodes = getDistributedNodes(child);
+            for (var j = 0; j < distributedNodes.length; j++) {
+              var distributedNode = distributedNodes[j];
+              if (isFinalDestination(child, distributedNode)) children.push(distributedNode);
+            }
+          } else {
+            children.push(child);
+          }
+        }
+        return children;
+      },
+      invalidateAttributes: function() {
+        this.attributes = Object.create(null);
+      },
+      updateDependentAttributes: function(selector) {
+        if (!selector) return;
+        var attributes = this.attributes;
+        if (/\.\w+/.test(selector)) attributes["class"] = true;
+        if (/#\w+/.test(selector)) attributes["id"] = true;
+        selector.replace(/\[\s*([^\s=\|~\]]+)/g, function(_, name) {
+          attributes[name] = true;
+        });
+      },
+      dependsOnAttribute: function(name) {
+        return this.attributes[name];
+      },
+      associateNode: function(node) {
+        unsafeUnwrap(node).polymerShadowRenderer_ = this;
+      }
+    };
+    function poolPopulation(node) {
+      var pool = [];
+      for (var child = node.firstChild; child; child = child.nextSibling) {
+        if (isInsertionPoint(child)) {
+          pool.push.apply(pool, getDistributedNodes(child));
+        } else {
+          pool.push(child);
+        }
+      }
+      return pool;
+    }
+    function getShadowInsertionPoint(node) {
+      if (node instanceof HTMLShadowElement) return node;
+      if (node instanceof HTMLContentElement) return null;
+      for (var child = node.firstChild; child; child = child.nextSibling) {
+        var res = getShadowInsertionPoint(child);
+        if (res) return res;
+      }
+      return null;
+    }
+    function destributeNodeInto(child, insertionPoint) {
+      getDistributedNodes(insertionPoint).push(child);
+      var points = destinationInsertionPointsTable.get(child);
+      if (!points) destinationInsertionPointsTable.set(child, [ insertionPoint ]); else points.push(insertionPoint);
+    }
+    function getDestinationInsertionPoints(node) {
+      return destinationInsertionPointsTable.get(node);
+    }
+    function resetDestinationInsertionPoints(node) {
+      destinationInsertionPointsTable.set(node, undefined);
+    }
+    var selectorStartCharRe = /^(:not\()?[*.#[a-zA-Z_|]/;
+    function matches(node, contentElement) {
+      var select = contentElement.getAttribute("select");
+      if (!select) return true;
+      select = select.trim();
+      if (!select) return true;
+      if (!(node instanceof Element)) return false;
+      if (!selectorStartCharRe.test(select)) return false;
+      try {
+        return node.matches(select);
+      } catch (ex) {
+        return false;
+      }
+    }
+    function isFinalDestination(insertionPoint, node) {
+      var points = getDestinationInsertionPoints(node);
+      return points && points[points.length - 1] === insertionPoint;
+    }
+    function isInsertionPoint(node) {
+      return node instanceof HTMLContentElement || node instanceof HTMLShadowElement;
+    }
+    function isShadowHost(shadowHost) {
+      return shadowHost.shadowRoot;
+    }
+    function getShadowTrees(host) {
+      var trees = [];
+      for (var tree = host.shadowRoot; tree; tree = tree.olderShadowRoot) {
+        trees.push(tree);
+      }
+      return trees;
+    }
+    function render(host) {
+      new ShadowRenderer(host).render();
+    }
+    Node.prototype.invalidateShadowRenderer = function(force) {
+      var renderer = unsafeUnwrap(this).polymerShadowRenderer_;
+      if (renderer) {
+        renderer.invalidate();
+        return true;
+      }
+      return false;
+    };
+    HTMLContentElement.prototype.getDistributedNodes = HTMLShadowElement.prototype.getDistributedNodes = function() {
+      renderAllPending();
+      return getDistributedNodes(this);
+    };
+    Element.prototype.getDestinationInsertionPoints = function() {
+      renderAllPending();
+      return getDestinationInsertionPoints(this) || [];
+    };
+    HTMLContentElement.prototype.nodeIsInserted_ = HTMLShadowElement.prototype.nodeIsInserted_ = function() {
+      this.invalidateShadowRenderer();
+      var shadowRoot = getShadowRootAncestor(this);
+      var renderer;
+      if (shadowRoot) renderer = getRendererForShadowRoot(shadowRoot);
+      unsafeUnwrap(this).polymerShadowRenderer_ = renderer;
+      if (renderer) renderer.invalidate();
+    };
+    scope.getRendererForHost = getRendererForHost;
+    scope.getShadowTrees = getShadowTrees;
+    scope.renderAllPending = renderAllPending;
+    scope.getDestinationInsertionPoints = getDestinationInsertionPoints;
+    scope.visual = {
+      insertBefore: insertBefore,
+      remove: remove
+    };
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var HTMLElement = scope.wrappers.HTMLElement;
+    var assert = scope.assert;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var elementsWithFormProperty = [ "HTMLButtonElement", "HTMLFieldSetElement", "HTMLInputElement", "HTMLKeygenElement", "HTMLLabelElement", "HTMLLegendElement", "HTMLObjectElement", "HTMLOutputElement", "HTMLTextAreaElement" ];
+    function createWrapperConstructor(name) {
+      if (!window[name]) return;
+      assert(!scope.wrappers[name]);
+      var GeneratedWrapper = function(node) {
+        HTMLElement.call(this, node);
+      };
+      GeneratedWrapper.prototype = Object.create(HTMLElement.prototype);
+      mixin(GeneratedWrapper.prototype, {
+        get form() {
+          return wrap(unwrap(this).form);
+        }
+      });
+      registerWrapper(window[name], GeneratedWrapper, document.createElement(name.slice(4, -7)));
+      scope.wrappers[name] = GeneratedWrapper;
+    }
+    elementsWithFormProperty.forEach(createWrapperConstructor);
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var registerWrapper = scope.registerWrapper;
+    var setWrapper = scope.setWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrap = scope.unwrap;
+    var unwrapIfNeeded = scope.unwrapIfNeeded;
+    var wrap = scope.wrap;
+    var OriginalSelection = window.Selection;
+    function Selection(impl) {
+      setWrapper(impl, this);
+    }
+    Selection.prototype = {
+      get anchorNode() {
+        return wrap(unsafeUnwrap(this).anchorNode);
+      },
+      get focusNode() {
+        return wrap(unsafeUnwrap(this).focusNode);
+      },
+      addRange: function(range) {
+        unsafeUnwrap(this).addRange(unwrapIfNeeded(range));
+      },
+      collapse: function(node, index) {
+        unsafeUnwrap(this).collapse(unwrapIfNeeded(node), index);
+      },
+      containsNode: function(node, allowPartial) {
+        return unsafeUnwrap(this).containsNode(unwrapIfNeeded(node), allowPartial);
+      },
+      getRangeAt: function(index) {
+        return wrap(unsafeUnwrap(this).getRangeAt(index));
+      },
+      removeRange: function(range) {
+        unsafeUnwrap(this).removeRange(unwrap(range));
+      },
+      selectAllChildren: function(node) {
+        unsafeUnwrap(this).selectAllChildren(node instanceof ShadowRoot ? unsafeUnwrap(node.host) : unwrapIfNeeded(node));
+      },
+      toString: function() {
+        return unsafeUnwrap(this).toString();
+      }
+    };
+    if (OriginalSelection.prototype.extend) {
+      Selection.prototype.extend = function(node, offset) {
+        unsafeUnwrap(this).extend(unwrapIfNeeded(node), offset);
+      };
+    }
+    registerWrapper(window.Selection, Selection, window.getSelection());
+    scope.wrappers.Selection = Selection;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var registerWrapper = scope.registerWrapper;
+    var setWrapper = scope.setWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrapIfNeeded = scope.unwrapIfNeeded;
+    var wrap = scope.wrap;
+    var OriginalTreeWalker = window.TreeWalker;
+    function TreeWalker(impl) {
+      setWrapper(impl, this);
+    }
+    TreeWalker.prototype = {
+      get root() {
+        return wrap(unsafeUnwrap(this).root);
+      },
+      get currentNode() {
+        return wrap(unsafeUnwrap(this).currentNode);
+      },
+      set currentNode(node) {
+        unsafeUnwrap(this).currentNode = unwrapIfNeeded(node);
+      },
+      get filter() {
+        return unsafeUnwrap(this).filter;
+      },
+      parentNode: function() {
+        return wrap(unsafeUnwrap(this).parentNode());
+      },
+      firstChild: function() {
+        return wrap(unsafeUnwrap(this).firstChild());
+      },
+      lastChild: function() {
+        return wrap(unsafeUnwrap(this).lastChild());
+      },
+      previousSibling: function() {
+        return wrap(unsafeUnwrap(this).previousSibling());
+      },
+      previousNode: function() {
+        return wrap(unsafeUnwrap(this).previousNode());
+      },
+      nextNode: function() {
+        return wrap(unsafeUnwrap(this).nextNode());
+      }
+    };
+    registerWrapper(OriginalTreeWalker, TreeWalker);
+    scope.wrappers.TreeWalker = TreeWalker;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var GetElementsByInterface = scope.GetElementsByInterface;
+    var Node = scope.wrappers.Node;
+    var ParentNodeInterface = scope.ParentNodeInterface;
+    var NonElementParentNodeInterface = scope.NonElementParentNodeInterface;
+    var Selection = scope.wrappers.Selection;
+    var SelectorsInterface = scope.SelectorsInterface;
+    var ShadowRoot = scope.wrappers.ShadowRoot;
+    var TreeScope = scope.TreeScope;
+    var cloneNode = scope.cloneNode;
+    var defineGetter = scope.defineGetter;
+    var defineWrapGetter = scope.defineWrapGetter;
+    var elementFromPoint = scope.elementFromPoint;
+    var forwardMethodsToWrapper = scope.forwardMethodsToWrapper;
+    var matchesNames = scope.matchesNames;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var renderAllPending = scope.renderAllPending;
+    var rewrap = scope.rewrap;
+    var setWrapper = scope.setWrapper;
+    var unsafeUnwrap = scope.unsafeUnwrap;
+    var unwrap = scope.unwrap;
+    var wrap = scope.wrap;
+    var wrapEventTargetMethods = scope.wrapEventTargetMethods;
+    var wrapNodeList = scope.wrapNodeList;
+    var implementationTable = new WeakMap();
+    function Document(node) {
+      Node.call(this, node);
+      this.treeScope_ = new TreeScope(this, null);
+    }
+    Document.prototype = Object.create(Node.prototype);
+    defineWrapGetter(Document, "documentElement");
+    defineWrapGetter(Document, "body");
+    defineWrapGetter(Document, "head");
+    defineGetter(Document, "activeElement", function() {
+      var unwrappedActiveElement = unwrap(this).activeElement;
+      if (!unwrappedActiveElement || !unwrappedActiveElement.nodeType) return null;
+      var activeElement = wrap(unwrappedActiveElement);
+      while (!this.contains(activeElement)) {
+        while (activeElement.parentNode) {
+          activeElement = activeElement.parentNode;
+        }
+        if (activeElement.host) {
+          activeElement = activeElement.host;
+        } else {
+          return null;
+        }
+      }
+      return activeElement;
+    });
+    function wrapMethod(name) {
+      var original = document[name];
+      Document.prototype[name] = function() {
+        return wrap(original.apply(unsafeUnwrap(this), arguments));
+      };
+    }
+    [ "createComment", "createDocumentFragment", "createElement", "createElementNS", "createEvent", "createEventNS", "createRange", "createTextNode" ].forEach(wrapMethod);
+    var originalAdoptNode = document.adoptNode;
+    function adoptNodeNoRemove(node, doc) {
+      originalAdoptNode.call(unsafeUnwrap(doc), unwrap(node));
+      adoptSubtree(node, doc);
+    }
+    function adoptSubtree(node, doc) {
+      if (node.shadowRoot) doc.adoptNode(node.shadowRoot);
+      if (node instanceof ShadowRoot) adoptOlderShadowRoots(node, doc);
+      for (var child = node.firstChild; child; child = child.nextSibling) {
+        adoptSubtree(child, doc);
+      }
+    }
+    function adoptOlderShadowRoots(shadowRoot, doc) {
+      var oldShadowRoot = shadowRoot.olderShadowRoot;
+      if (oldShadowRoot) doc.adoptNode(oldShadowRoot);
+    }
+    var originalGetSelection = document.getSelection;
+    mixin(Document.prototype, {
+      adoptNode: function(node) {
+        if (node.parentNode) node.parentNode.removeChild(node);
+        adoptNodeNoRemove(node, this);
+        return node;
+      },
+      elementFromPoint: function(x, y) {
+        return elementFromPoint(this, this, x, y);
+      },
+      importNode: function(node, deep) {
+        return cloneNode(node, deep, unsafeUnwrap(this));
+      },
+      getSelection: function() {
+        renderAllPending();
+        return new Selection(originalGetSelection.call(unwrap(this)));
+      },
+      getElementsByName: function(name) {
+        return SelectorsInterface.querySelectorAll.call(this, "[name=" + JSON.stringify(String(name)) + "]");
+      }
+    });
+    var originalCreateTreeWalker = document.createTreeWalker;
+    var TreeWalkerWrapper = scope.wrappers.TreeWalker;
+    Document.prototype.createTreeWalker = function(root, whatToShow, filter, expandEntityReferences) {
+      var newFilter = null;
+      if (filter) {
+        if (filter.acceptNode && typeof filter.acceptNode === "function") {
+          newFilter = {
+            acceptNode: function(node) {
+              return filter.acceptNode(wrap(node));
+            }
+          };
+        } else if (typeof filter === "function") {
+          newFilter = function(node) {
+            return filter(wrap(node));
+          };
+        }
+      }
+      return new TreeWalkerWrapper(originalCreateTreeWalker.call(unwrap(this), unwrap(root), whatToShow, newFilter, expandEntityReferences));
+    };
+    if (document.registerElement) {
+      var originalRegisterElement = document.registerElement;
+      Document.prototype.registerElement = function(tagName, object) {
+        var prototype, extendsOption;
+        if (object !== undefined) {
+          prototype = object.prototype;
+          extendsOption = object.extends;
+        }
+        if (!prototype) prototype = Object.create(HTMLElement.prototype);
+        if (scope.nativePrototypeTable.get(prototype)) {
+          throw new Error("NotSupportedError");
+        }
+        var proto = Object.getPrototypeOf(prototype);
+        var nativePrototype;
+        var prototypes = [];
+        while (proto) {
+          nativePrototype = scope.nativePrototypeTable.get(proto);
+          if (nativePrototype) break;
+          prototypes.push(proto);
+          proto = Object.getPrototypeOf(proto);
+        }
+        if (!nativePrototype) {
+          throw new Error("NotSupportedError");
+        }
+        var newPrototype = Object.create(nativePrototype);
+        for (var i = prototypes.length - 1; i >= 0; i--) {
+          newPrototype = Object.create(newPrototype);
+        }
+        [ "createdCallback", "attachedCallback", "detachedCallback", "attributeChangedCallback" ].forEach(function(name) {
+          var f = prototype[name];
+          if (!f) return;
+          newPrototype[name] = function() {
+            if (!(wrap(this) instanceof CustomElementConstructor)) {
+              rewrap(this);
+            }
+            f.apply(wrap(this), arguments);
+          };
+        });
+        var p = {
+          prototype: newPrototype
+        };
+        if (extendsOption) p.extends = extendsOption;
+        function CustomElementConstructor(node) {
+          if (!node) {
+            if (extendsOption) {
+              return document.createElement(extendsOption, tagName);
+            } else {
+              return document.createElement(tagName);
+            }
+          }
+          setWrapper(node, this);
+        }
+        CustomElementConstructor.prototype = prototype;
+        CustomElementConstructor.prototype.constructor = CustomElementConstructor;
+        scope.constructorTable.set(newPrototype, CustomElementConstructor);
+        scope.nativePrototypeTable.set(prototype, newPrototype);
+        var nativeConstructor = originalRegisterElement.call(unwrap(this), tagName, p);
+        return CustomElementConstructor;
+      };
+      forwardMethodsToWrapper([ window.HTMLDocument || window.Document ], [ "registerElement" ]);
+    }
+    forwardMethodsToWrapper([ window.HTMLBodyElement, window.HTMLDocument || window.Document, window.HTMLHeadElement, window.HTMLHtmlElement ], [ "appendChild", "compareDocumentPosition", "contains", "getElementsByClassName", "getElementsByTagName", "getElementsByTagNameNS", "insertBefore", "querySelector", "querySelectorAll", "removeChild", "replaceChild" ]);
+    forwardMethodsToWrapper([ window.HTMLBodyElement, window.HTMLHeadElement, window.HTMLHtmlElement ], matchesNames);
+    forwardMethodsToWrapper([ window.HTMLDocument || window.Document ], [ "adoptNode", "importNode", "contains", "createComment", "createDocumentFragment", "createElement", "createElementNS", "createEvent", "createEventNS", "createRange", "createTextNode", "createTreeWalker", "elementFromPoint", "getElementById", "getElementsByName", "getSelection" ]);
+    mixin(Document.prototype, GetElementsByInterface);
+    mixin(Document.prototype, ParentNodeInterface);
+    mixin(Document.prototype, SelectorsInterface);
+    mixin(Document.prototype, NonElementParentNodeInterface);
+    mixin(Document.prototype, {
+      get implementation() {
+        var implementation = implementationTable.get(this);
+        if (implementation) return implementation;
+        implementation = new DOMImplementation(unwrap(this).implementation);
+        implementationTable.set(this, implementation);
+        return implementation;
+      },
+      get defaultView() {
+        return wrap(unwrap(this).defaultView);
+      }
+    });
+    registerWrapper(window.Document, Document, document.implementation.createHTMLDocument(""));
+    if (window.HTMLDocument) registerWrapper(window.HTMLDocument, Document);
+    wrapEventTargetMethods([ window.HTMLBodyElement, window.HTMLDocument || window.Document, window.HTMLHeadElement ]);
+    function DOMImplementation(impl) {
+      setWrapper(impl, this);
+    }
+    var originalCreateDocument = document.implementation.createDocument;
+    DOMImplementation.prototype.createDocument = function() {
+      arguments[2] = unwrap(arguments[2]);
+      return wrap(originalCreateDocument.apply(unsafeUnwrap(this), arguments));
+    };
+    function wrapImplMethod(constructor, name) {
+      var original = document.implementation[name];
+      constructor.prototype[name] = function() {
+        return wrap(original.apply(unsafeUnwrap(this), arguments));
+      };
+    }
+    function forwardImplMethod(constructor, name) {
+      var original = document.implementation[name];
+      constructor.prototype[name] = function() {
+        return original.apply(unsafeUnwrap(this), arguments);
+      };
+    }
+    wrapImplMethod(DOMImplementation, "createDocumentType");
+    wrapImplMethod(DOMImplementation, "createHTMLDocument");
+    forwardImplMethod(DOMImplementation, "hasFeature");
+    registerWrapper(window.DOMImplementation, DOMImplementation);
+    forwardMethodsToWrapper([ window.DOMImplementation ], [ "createDocument", "createDocumentType", "createHTMLDocument", "hasFeature" ]);
+    scope.adoptNodeNoRemove = adoptNodeNoRemove;
+    scope.wrappers.DOMImplementation = DOMImplementation;
+    scope.wrappers.Document = Document;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var EventTarget = scope.wrappers.EventTarget;
+    var Selection = scope.wrappers.Selection;
+    var mixin = scope.mixin;
+    var registerWrapper = scope.registerWrapper;
+    var renderAllPending = scope.renderAllPending;
+    var unwrap = scope.unwrap;
+    var unwrapIfNeeded = scope.unwrapIfNeeded;
+    var wrap = scope.wrap;
+    var OriginalWindow = window.Window;
+    var originalGetComputedStyle = window.getComputedStyle;
+    var originalGetDefaultComputedStyle = window.getDefaultComputedStyle;
+    var originalGetSelection = window.getSelection;
+    function Window(impl) {
+      EventTarget.call(this, impl);
+    }
+    Window.prototype = Object.create(EventTarget.prototype);
+    OriginalWindow.prototype.getComputedStyle = function(el, pseudo) {
+      return wrap(this || window).getComputedStyle(unwrapIfNeeded(el), pseudo);
+    };
+    if (originalGetDefaultComputedStyle) {
+      OriginalWindow.prototype.getDefaultComputedStyle = function(el, pseudo) {
+        return wrap(this || window).getDefaultComputedStyle(unwrapIfNeeded(el), pseudo);
+      };
+    }
+    OriginalWindow.prototype.getSelection = function() {
+      return wrap(this || window).getSelection();
+    };
+    delete window.getComputedStyle;
+    delete window.getDefaultComputedStyle;
+    delete window.getSelection;
+    [ "addEventListener", "removeEventListener", "dispatchEvent" ].forEach(function(name) {
+      OriginalWindow.prototype[name] = function() {
+        var w = wrap(this || window);
+        return w[name].apply(w, arguments);
+      };
+      delete window[name];
+    });
+    mixin(Window.prototype, {
+      getComputedStyle: function(el, pseudo) {
+        renderAllPending();
+        return originalGetComputedStyle.call(unwrap(this), unwrapIfNeeded(el), pseudo);
+      },
+      getSelection: function() {
+        renderAllPending();
+        return new Selection(originalGetSelection.call(unwrap(this)));
+      },
+      get document() {
+        return wrap(unwrap(this).document);
+      }
+    });
+    if (originalGetDefaultComputedStyle) {
+      Window.prototype.getDefaultComputedStyle = function(el, pseudo) {
+        renderAllPending();
+        return originalGetDefaultComputedStyle.call(unwrap(this), unwrapIfNeeded(el), pseudo);
+      };
+    }
+    registerWrapper(OriginalWindow, Window, window);
+    scope.wrappers.Window = Window;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var unwrap = scope.unwrap;
+    var OriginalDataTransfer = window.DataTransfer || window.Clipboard;
+    var OriginalDataTransferSetDragImage = OriginalDataTransfer.prototype.setDragImage;
+    if (OriginalDataTransferSetDragImage) {
+      OriginalDataTransfer.prototype.setDragImage = function(image, x, y) {
+        OriginalDataTransferSetDragImage.call(this, unwrap(image), x, y);
+      };
+    }
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var registerWrapper = scope.registerWrapper;
+    var setWrapper = scope.setWrapper;
+    var unwrap = scope.unwrap;
+    var OriginalFormData = window.FormData;
+    if (!OriginalFormData) return;
+    function FormData(formElement) {
+      var impl;
+      if (formElement instanceof OriginalFormData) {
+        impl = formElement;
+      } else {
+        impl = new OriginalFormData(formElement && unwrap(formElement));
+      }
+      setWrapper(impl, this);
+    }
+    registerWrapper(OriginalFormData, FormData, new OriginalFormData());
+    scope.wrappers.FormData = FormData;
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var unwrapIfNeeded = scope.unwrapIfNeeded;
+    var originalSend = XMLHttpRequest.prototype.send;
+    XMLHttpRequest.prototype.send = function(obj) {
+      return originalSend.call(this, unwrapIfNeeded(obj));
+    };
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    "use strict";
+    var isWrapperFor = scope.isWrapperFor;
+    var elements = {
+      a: "HTMLAnchorElement",
+      area: "HTMLAreaElement",
+      audio: "HTMLAudioElement",
+      base: "HTMLBaseElement",
+      body: "HTMLBodyElement",
+      br: "HTMLBRElement",
+      button: "HTMLButtonElement",
+      canvas: "HTMLCanvasElement",
+      caption: "HTMLTableCaptionElement",
+      col: "HTMLTableColElement",
+      content: "HTMLContentElement",
+      data: "HTMLDataElement",
+      datalist: "HTMLDataListElement",
+      del: "HTMLModElement",
+      dir: "HTMLDirectoryElement",
+      div: "HTMLDivElement",
+      dl: "HTMLDListElement",
+      embed: "HTMLEmbedElement",
+      fieldset: "HTMLFieldSetElement",
+      font: "HTMLFontElement",
+      form: "HTMLFormElement",
+      frame: "HTMLFrameElement",
+      frameset: "HTMLFrameSetElement",
+      h1: "HTMLHeadingElement",
+      head: "HTMLHeadElement",
+      hr: "HTMLHRElement",
+      html: "HTMLHtmlElement",
+      iframe: "HTMLIFrameElement",
+      img: "HTMLImageElement",
+      input: "HTMLInputElement",
+      keygen: "HTMLKeygenElement",
+      label: "HTMLLabelElement",
+      legend: "HTMLLegendElement",
+      li: "HTMLLIElement",
+      link: "HTMLLinkElement",
+      map: "HTMLMapElement",
+      marquee: "HTMLMarqueeElement",
+      menu: "HTMLMenuElement",
+      menuitem: "HTMLMenuItemElement",
+      meta: "HTMLMetaElement",
+      meter: "HTMLMeterElement",
+      object: "HTMLObjectElement",
+      ol: "HTMLOListElement",
+      optgroup: "HTMLOptGroupElement",
+      option: "HTMLOptionElement",
+      output: "HTMLOutputElement",
+      p: "HTMLParagraphElement",
+      param: "HTMLParamElement",
+      pre: "HTMLPreElement",
+      progress: "HTMLProgressElement",
+      q: "HTMLQuoteElement",
+      script: "HTMLScriptElement",
+      select: "HTMLSelectElement",
+      shadow: "HTMLShadowElement",
+      source: "HTMLSourceElement",
+      span: "HTMLSpanElement",
+      style: "HTMLStyleElement",
+      table: "HTMLTableElement",
+      tbody: "HTMLTableSectionElement",
+      template: "HTMLTemplateElement",
+      textarea: "HTMLTextAreaElement",
+      thead: "HTMLTableSectionElement",
+      time: "HTMLTimeElement",
+      title: "HTMLTitleElement",
+      tr: "HTMLTableRowElement",
+      track: "HTMLTrackElement",
+      ul: "HTMLUListElement",
+      video: "HTMLVideoElement"
+    };
+    function overrideConstructor(tagName) {
+      var nativeConstructorName = elements[tagName];
+      var nativeConstructor = window[nativeConstructorName];
+      if (!nativeConstructor) return;
+      var element = document.createElement(tagName);
+      var wrapperConstructor = element.constructor;
+      window[nativeConstructorName] = wrapperConstructor;
+    }
+    Object.keys(elements).forEach(overrideConstructor);
+    Object.getOwnPropertyNames(scope.wrappers).forEach(function(name) {
+      window[name] = scope.wrappers[name];
+    });
+  })(window.ShadowDOMPolyfill);
+  (function(scope) {
+    var ShadowCSS = {
+      strictStyling: false,
+      registry: {},
+      shimStyling: function(root, name, extendsName) {
+        var scopeStyles = this.prepareRoot(root, name, extendsName);
+        var typeExtension = this.isTypeExtension(extendsName);
+        var scopeSelector = this.makeScopeSelector(name, typeExtension);
+        var cssText = stylesToCssText(scopeStyles, true);
+        cssText = this.scopeCssText(cssText, scopeSelector);
+        if (root) {
+          root.shimmedStyle = cssText;
+        }
+        this.addCssToDocument(cssText, name);
+      },
+      shimStyle: function(style, selector) {
+        return this.shimCssText(style.textContent, selector);
+      },
+      shimCssText: function(cssText, selector) {
+        cssText = this.insertDirectives(cssText);
+        return this.scopeCssText(cssText, selector);
+      },
+      makeScopeSelector: function(name, typeExtension) {
+        if (name) {
+          return typeExtension ? "[is=" + name + "]" : name;
+        }
+        return "";
+      },
+      isTypeExtension: function(extendsName) {
+        return extendsName && extendsName.indexOf("-") < 0;
+      },
+      prepareRoot: function(root, name, extendsName) {
+        var def = this.registerRoot(root, name, extendsName);
+        this.replaceTextInStyles(def.rootStyles, this.insertDirectives);
+        this.removeStyles(root, def.rootStyles);
+        if (this.strictStyling) {
+          this.applyScopeToContent(root, name);
+        }
+        return def.scopeStyles;
+      },
+      removeStyles: function(root, styles) {
+        for (var i = 0, l = styles.length, s; i < l && (s = styles[i]); i++) {
+          s.parentNode.removeChild(s);
+        }
+      },
+      registerRoot: function(root, name, extendsName) {
+        var def = this.registry[name] = {
+          root: root,
+          name: name,
+          extendsName: extendsName
+        };
+        var styles = this.findStyles(root);
+        def.rootStyles = styles;
+        def.scopeStyles = def.rootStyles;
+        var extendee = this.registry[def.extendsName];
+        if (extendee) {
+          def.scopeStyles = extendee.scopeStyles.concat(def.scopeStyles);
+        }
+        return def;
+      },
+      findStyles: function(root) {
+        if (!root) {
+          return [];
+        }
+        var styles = root.querySelectorAll("style");
+        return Array.prototype.filter.call(styles, function(s) {
+          return !s.hasAttribute(NO_SHIM_ATTRIBUTE);
+        });
+      },
+      applyScopeToContent: function(root, name) {
+        if (root) {
+          Array.prototype.forEach.call(root.querySelectorAll("*"), function(node) {
+            node.setAttribute(name, "");
+          });
+          Array.prototype.forEach.call(root.querySelectorAll("template"), function(template) {
+            this.applyScopeToContent(template.content, name);
+          }, this);
+        }
+      },
+      insertDirectives: function(cssText) {
+        cssText = this.insertPolyfillDirectivesInCssText(cssText);
+        return this.insertPolyfillRulesInCssText(cssText);
+      },
+      insertPolyfillDirectivesInCssText: function(cssText) {
+        cssText = cssText.replace(cssCommentNextSelectorRe, function(match, p1) {
+          return p1.slice(0, -2) + "{";
+        });
+        return cssText.replace(cssContentNextSelectorRe, function(match, p1) {
+          return p1 + " {";
+        });
+      },
+      insertPolyfillRulesInCssText: function(cssText) {
+        cssText = cssText.replace(cssCommentRuleRe, function(match, p1) {
+          return p1.slice(0, -1);
+        });
+        return cssText.replace(cssContentRuleRe, function(match, p1, p2, p3) {
+          var rule = match.replace(p1, "").replace(p2, "");
+          return p3 + rule;
+        });
+      },
+      scopeCssText: function(cssText, scopeSelector) {
+        var unscoped = this.extractUnscopedRulesFromCssText(cssText);
+        cssText = this.insertPolyfillHostInCssText(cssText);
+        cssText = this.convertColonHost(cssText);
+        cssText = this.convertColonHostContext(cssText);
+        cssText = this.convertShadowDOMSelectors(cssText);
+        if (scopeSelector) {
+          var self = this, cssText;
+          withCssRules(cssText, function(rules) {
+            cssText = self.scopeRules(rules, scopeSelector);
+          });
+        }
+        cssText = cssText + "\n" + unscoped;
+        return cssText.trim();
+      },
+      extractUnscopedRulesFromCssText: function(cssText) {
+        var r = "", m;
+        while (m = cssCommentUnscopedRuleRe.exec(cssText)) {
+          r += m[1].slice(0, -1) + "\n\n";
+        }
+        while (m = cssContentUnscopedRuleRe.exec(cssText)) {
+          r += m[0].replace(m[2], "").replace(m[1], m[3]) + "\n\n";
+        }
+        return r;
+      },
+      convertColonHost: function(cssText) {
+        return this.convertColonRule(cssText, cssColonHostRe, this.colonHostPartReplacer);
+      },
+      convertColonHostContext: function(cssText) {
+        return this.convertColonRule(cssText, cssColonHostContextRe, this.colonHostContextPartReplacer);
+      },
+      convertColonRule: function(cssText, regExp, partReplacer) {
+        return cssText.replace(regExp, function(m, p1, p2, p3) {
+          p1 = polyfillHostNoCombinator;
+          if (p2) {
+            var parts = p2.split(","), r = [];
+            for (var i = 0, l = parts.length, p; i < l && (p = parts[i]); i++) {
+              p = p.trim();
+              r.push(partReplacer(p1, p, p3));
+            }
+            return r.join(",");
+          } else {
+            return p1 + p3;
+          }
+        });
+      },
+      colonHostContextPartReplacer: function(host, part, suffix) {
+        if (part.match(polyfillHost)) {
+          return this.colonHostPartReplacer(host, part, suffix);
+        } else {
+          return host + part + suffix + ", " + part + " " + host + suffix;
+        }
+      },
+      colonHostPartReplacer: function(host, part, suffix) {
+        return host + part.replace(polyfillHost, "") + suffix;
+      },
+      convertShadowDOMSelectors: function(cssText) {
+        for (var i = 0; i < shadowDOMSelectorsRe.length; i++) {
+          cssText = cssText.replace(shadowDOMSelectorsRe[i], " ");
+        }
+        return cssText;
+      },
+      scopeRules: function(cssRules, scopeSelector) {
+        var cssText = "";
+        if (cssRules) {
+          Array.prototype.forEach.call(cssRules, function(rule) {
+            if (rule.selectorText && (rule.style && rule.style.cssText !== undefined)) {
+              cssText += this.scopeSelector(rule.selectorText, scopeSelector, this.strictStyling) + " {\n	";
+              cssText += this.propertiesFromRule(rule) + "\n}\n\n";
+            } else if (rule.type === CSSRule.MEDIA_RULE) {
+              cssText += "@media " + rule.media.mediaText + " {\n";
+              cssText += this.scopeRules(rule.cssRules, scopeSelector);
+              cssText += "\n}\n\n";
+            } else {
+              try {
+                if (rule.cssText) {
+                  cssText += rule.cssText + "\n\n";
+                }
+              } catch (x) {
+                if (rule.type === CSSRule.KEYFRAMES_RULE && rule.cssRules) {
+                  cssText += this.ieSafeCssTextFromKeyFrameRule(rule);
+                }
+              }
+            }
+          }, this);
+        }
+        return cssText;
+      },
+      ieSafeCssTextFromKeyFrameRule: function(rule) {
+        var cssText = "@keyframes " + rule.name + " {";
+        Array.prototype.forEach.call(rule.cssRules, function(rule) {
+          cssText += " " + rule.keyText + " {" + rule.style.cssText + "}";
+        });
+        cssText += " }";
+        return cssText;
+      },
+      scopeSelector: function(selector, scopeSelector, strict) {
+        var r = [], parts = selector.split(",");
+        parts.forEach(function(p) {
+          p = p.trim();
+          if (this.selectorNeedsScoping(p, scopeSelector)) {
+            p = strict && !p.match(polyfillHostNoCombinator) ? this.applyStrictSelectorScope(p, scopeSelector) : this.applySelectorScope(p, scopeSelector);
+          }
+          r.push(p);
+        }, this);
+        return r.join(", ");
+      },
+      selectorNeedsScoping: function(selector, scopeSelector) {
+        if (Array.isArray(scopeSelector)) {
+          return true;
+        }
+        var re = this.makeScopeMatcher(scopeSelector);
+        return !selector.match(re);
+      },
+      makeScopeMatcher: function(scopeSelector) {
+        scopeSelector = scopeSelector.replace(/\[/g, "\\[").replace(/\]/g, "\\]");
+        return new RegExp("^(" + scopeSelector + ")" + selectorReSuffix, "m");
+      },
+      applySelectorScope: function(selector, selectorScope) {
+        return Array.isArray(selectorScope) ? this.applySelectorScopeList(selector, selectorScope) : this.applySimpleSelectorScope(selector, selectorScope);
+      },
+      applySelectorScopeList: function(selector, scopeSelectorList) {
+        var r = [];
+        for (var i = 0, s; s = scopeSelectorList[i]; i++) {
+          r.push(this.applySimpleSelectorScope(selector, s));
+        }
+        return r.join(", ");
+      },
+      applySimpleSelectorScope: function(selector, scopeSelector) {
+        if (selector.match(polyfillHostRe)) {
+          selector = selector.replace(polyfillHostNoCombinator, scopeSelector);
+          return selector.replace(polyfillHostRe, scopeSelector + " ");
+        } else {
+          return scopeSelector + " " + selector;
+        }
+      },
+      applyStrictSelectorScope: function(selector, scopeSelector) {
+        scopeSelector = scopeSelector.replace(/\[is=([^\]]*)\]/g, "$1");
+        var splits = [ " ", ">", "+", "~" ], scoped = selector, attrName = "[" + scopeSelector + "]";
+        splits.forEach(function(sep) {
+          var parts = scoped.split(sep);
+          scoped = parts.map(function(p) {
+            var t = p.trim().replace(polyfillHostRe, "");
+            if (t && splits.indexOf(t) < 0 && t.indexOf(attrName) < 0) {
+              p = t.replace(/([^:]*)(:*)(.*)/, "$1" + attrName + "$2$3");
+            }
+            return p;
+          }).join(sep);
+        });
+        return scoped;
+      },
+      insertPolyfillHostInCssText: function(selector) {
+        return selector.replace(colonHostContextRe, polyfillHostContext).replace(colonHostRe, polyfillHost);
+      },
+      propertiesFromRule: function(rule) {
+        var cssText = rule.style.cssText;
+        if (rule.style.content && !rule.style.content.match(/['"]+|attr/)) {
+          cssText = cssText.replace(/content:[^;]*;/g, "content: '" + rule.style.content + "';");
+        }
+        var style = rule.style;
+        for (var i in style) {
+          if (style[i] === "initial") {
+            cssText += i + ": initial; ";
+          }
+        }
+        return cssText;
+      },
+      replaceTextInStyles: function(styles, action) {
+        if (styles && action) {
+          if (!(styles instanceof Array)) {
+            styles = [ styles ];
+          }
+          Array.prototype.forEach.call(styles, function(s) {
+            s.textContent = action.call(this, s.textContent);
+          }, this);
+        }
+      },
+      addCssToDocument: function(cssText, name) {
+        if (cssText.match("@import")) {
+          addOwnSheet(cssText, name);
+        } else {
+          addCssToDocument(cssText);
+        }
+      }
+    };
+    var selectorRe = /([^{]*)({[\s\S]*?})/gim, cssCommentRe = /\/\*[^*]*\*+([^\/*][^*]*\*+)*\//gim, cssCommentNextSelectorRe = /\/\*\s*@polyfill ([^*]*\*+([^\/*][^*]*\*+)*\/)([^{]*?){/gim, cssContentNextSelectorRe = /polyfill-next-selector[^}]*content\:[\s]*?['"](.*?)['"][;\s]*}([^{]*?){/gim, cssCommentRuleRe = /\/\*\s@polyfill-rule([^*]*\*+([^\/*][^*]*\*+)*)\//gim, cssContentRuleRe = /(polyfill-rule)[^}]*(content\:[\s]*['"](.*?)['"])[;\s]*[^}]*}/gim, cssCommentUnscopedRuleRe = /\/\*\s@polyfill-unscoped-rule([^*]*\*+([^\/*][^*]*\*+)*)\//gim, cssContentUnscopedRuleRe = /(polyfill-unscoped-rule)[^}]*(content\:[\s]*['"](.*?)['"])[;\s]*[^}]*}/gim, cssPseudoRe = /::(x-[^\s{,(]*)/gim, cssPartRe = /::part\(([^)]*)\)/gim, polyfillHost = "-shadowcsshost", polyfillHostContext = "-shadowcsscontext", parenSuffix = ")(?:\\((" + "(?:\\([^)(]*\\)|[^)(]*)+?" + ")\\))?([^,{]*)";
+    var cssColonHostRe = new RegExp("(" + polyfillHost + parenSuffix, "gim"), cssColonHostContextRe = new RegExp("(" + polyfillHostContext + parenSuffix, "gim"), selectorReSuffix = "([>\\s~+[.,{:][\\s\\S]*)?$", colonHostRe = /\:host/gim, colonHostContextRe = /\:host-context/gim, polyfillHostNoCombinator = polyfillHost + "-no-combinator", polyfillHostRe = new RegExp(polyfillHost, "gim"), polyfillHostContextRe = new RegExp(polyfillHostContext, "gim"), shadowDOMSelectorsRe = [ />>>/g, /::shadow/g, /::content/g, /\/deep\//g, /\/shadow\//g, /\/shadow-deep\//g, /\^\^/g, /\^/g ];
+    function stylesToCssText(styles, preserveComments) {
+      var cssText = "";
+      Array.prototype.forEach.call(styles, function(s) {
+        cssText += s.textContent + "\n\n";
+      });
+      if (!preserveComments) {
+        cssText = cssText.replace(cssCommentRe, "");
+      }
+      return cssText;
+    }
+    function cssTextToStyle(cssText) {
+      var style = document.createElement("style");
+      style.textContent = cssText;
+      return style;
+    }
+    function cssToRules(cssText) {
+      var style = cssTextToStyle(cssText);
+      document.head.appendChild(style);
+      var rules = [];
+      if (style.sheet) {
+        try {
+          rules = style.sheet.cssRules;
+        } catch (e) {}
+      } else {
+        console.warn("sheet not found", style);
+      }
+      style.parentNode.removeChild(style);
+      return rules;
+    }
+    var frame = document.createElement("iframe");
+    frame.style.display = "none";
+    function initFrame() {
+      frame.initialized = true;
+      document.body.appendChild(frame);
+      var doc = frame.contentDocument;
+      var base = doc.createElement("base");
+      base.href = document.baseURI;
+      doc.head.appendChild(base);
+    }
+    function inFrame(fn) {
+      if (!frame.initialized) {
+        initFrame();
+      }
+      document.body.appendChild(frame);
+      fn(frame.contentDocument);
+      document.body.removeChild(frame);
+    }
+    var isChrome = navigator.userAgent.match("Chrome");
+    function withCssRules(cssText, callback) {
+      if (!callback) {
+        return;
+      }
+      var rules;
+      if (cssText.match("@import") && isChrome) {
+        var style = cssTextToStyle(cssText);
+        inFrame(function(doc) {
+          doc.head.appendChild(style.impl);
+          rules = Array.prototype.slice.call(style.sheet.cssRules, 0);
+          callback(rules);
+        });
+      } else {
+        rules = cssToRules(cssText);
+        callback(rules);
+      }
+    }
+    function rulesToCss(cssRules) {
+      for (var i = 0, css = []; i < cssRules.length; i++) {
+        css.push(cssRules[i].cssText);
+      }
+      return css.join("\n\n");
+    }
+    function addCssToDocument(cssText) {
+      if (cssText) {
+        getSheet().appendChild(document.createTextNode(cssText));
+      }
+    }
+    function addOwnSheet(cssText, name) {
+      var style = cssTextToStyle(cssText);
+      style.setAttribute(name, "");
+      style.setAttribute(SHIMMED_ATTRIBUTE, "");
+      document.head.appendChild(style);
+    }
+    var SHIM_ATTRIBUTE = "shim-shadowdom";
+    var SHIMMED_ATTRIBUTE = "shim-shadowdom-css";
+    var NO_SHIM_ATTRIBUTE = "no-shim";
+    var sheet;
+    function getSheet() {
+      if (!sheet) {
+        sheet = document.createElement("style");
+        sheet.setAttribute(SHIMMED_ATTRIBUTE, "");
+        sheet[SHIMMED_ATTRIBUTE] = true;
+      }
+      return sheet;
+    }
+    if (window.ShadowDOMPolyfill) {
+      addCssToDocument("style { display: none !important; }\n");
+      var doc = ShadowDOMPolyfill.wrap(document);
+      var head = doc.querySelector("head");
+      head.insertBefore(getSheet(), head.childNodes[0]);
+      document.addEventListener("DOMContentLoaded", function() {
+        var urlResolver = scope.urlResolver;
+        if (window.HTMLImports && !HTMLImports.useNative) {
+          var SHIM_SHEET_SELECTOR = "link[rel=stylesheet]" + "[" + SHIM_ATTRIBUTE + "]";
+          var SHIM_STYLE_SELECTOR = "style[" + SHIM_ATTRIBUTE + "]";
+          HTMLImports.importer.documentPreloadSelectors += "," + SHIM_SHEET_SELECTOR;
+          HTMLImports.importer.importsPreloadSelectors += "," + SHIM_SHEET_SELECTOR;
+          HTMLImports.parser.documentSelectors = [ HTMLImports.parser.documentSelectors, SHIM_SHEET_SELECTOR, SHIM_STYLE_SELECTOR ].join(",");
+          var originalParseGeneric = HTMLImports.parser.parseGeneric;
+          HTMLImports.parser.parseGeneric = function(elt) {
+            if (elt[SHIMMED_ATTRIBUTE]) {
+              return;
+            }
+            var style = elt.__importElement || elt;
+            if (!style.hasAttribute(SHIM_ATTRIBUTE)) {
+              originalParseGeneric.call(this, elt);
+              return;
+            }
+            if (elt.__resource) {
+              style = elt.ownerDocument.createElement("style");
+              style.textContent = elt.__resource;
+            }
+            HTMLImports.path.resolveUrlsInStyle(style, elt.href);
+            style.textContent = ShadowCSS.shimStyle(style);
+            style.removeAttribute(SHIM_ATTRIBUTE, "");
+            style.setAttribute(SHIMMED_ATTRIBUTE, "");
+            style[SHIMMED_ATTRIBUTE] = true;
+            if (style.parentNode !== head) {
+              if (elt.parentNode === head) {
+                head.replaceChild(style, elt);
+              } else {
+                this.addElementToDocument(style);
+              }
+            }
+            style.__importParsed = true;
+            this.markParsingComplete(elt);
+            this.parseNext();
+          };
+          var hasResource = HTMLImports.parser.hasResource;
+          HTMLImports.parser.hasResource = function(node) {
+            if (node.localName === "link" && node.rel === "stylesheet" && node.hasAttribute(SHIM_ATTRIBUTE)) {
+              return node.__resource;
+            } else {
+              return hasResource.call(this, node);
+            }
+          };
+        }
+      });
+    }
+    scope.ShadowCSS = ShadowCSS;
+  })(window.WebComponents);
+}
+
+(function(scope) {
+  if (window.ShadowDOMPolyfill) {
+    window.wrap = ShadowDOMPolyfill.wrapIfNeeded;
+    window.unwrap = ShadowDOMPolyfill.unwrapIfNeeded;
+  } else {
+    window.wrap = window.unwrap = function(n) {
+      return n;
+    };
+  }
+})(window.WebComponents);
+
+(function(scope) {
+  "use strict";
+  var hasWorkingUrl = false;
+  if (!scope.forceJURL) {
+    try {
+      var u = new URL("b", "http://a");
+      u.pathname = "c%20d";
+      hasWorkingUrl = u.href === "http://a/c%20d";
+    } catch (e) {}
+  }
+  if (hasWorkingUrl) return;
+  var relative = Object.create(null);
+  relative["ftp"] = 21;
+  relative["file"] = 0;
+  relative["gopher"] = 70;
+  relative["http"] = 80;
+  relative["https"] = 443;
+  relative["ws"] = 80;
+  relative["wss"] = 443;
+  var relativePathDotMapping = Object.create(null);
+  relativePathDotMapping["%2e"] = ".";
+  relativePathDotMapping[".%2e"] = "..";
+  relativePathDotMapping["%2e."] = "..";
+  relativePathDotMapping["%2e%2e"] = "..";
+  function isRelativeScheme(scheme) {
+    return relative[scheme] !== undefined;
+  }
+  function invalid() {
+    clear.call(this);
+    this._isInvalid = true;
+  }
+  function IDNAToASCII(h) {
+    if ("" == h) {
+      invalid.call(this);
+    }
+    return h.toLowerCase();
+  }
+  function percentEscape(c) {
+    var unicode = c.charCodeAt(0);
+    if (unicode > 32 && unicode < 127 && [ 34, 35, 60, 62, 63, 96 ].indexOf(unicode) == -1) {
+      return c;
+    }
+    return encodeURIComponent(c);
+  }
+  function percentEscapeQuery(c) {
+    var unicode = c.charCodeAt(0);
+    if (unicode > 32 && unicode < 127 && [ 34, 35, 60, 62, 96 ].indexOf(unicode) == -1) {
+      return c;
+    }
+    return encodeURIComponent(c);
+  }
+  var EOF = undefined, ALPHA = /[a-zA-Z]/, ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
+  function parse(input, stateOverride, base) {
+    function err(message) {
+      errors.push(message);
+    }
+    var state = stateOverride || "scheme start", cursor = 0, buffer = "", seenAt = false, seenBracket = false, errors = [];
+    loop: while ((input[cursor - 1] != EOF || cursor == 0) && !this._isInvalid) {
+      var c = input[cursor];
+      switch (state) {
+       case "scheme start":
+        if (c && ALPHA.test(c)) {
+          buffer += c.toLowerCase();
+          state = "scheme";
+        } else if (!stateOverride) {
+          buffer = "";
+          state = "no scheme";
+          continue;
+        } else {
+          err("Invalid scheme.");
+          break loop;
+        }
+        break;
+
+       case "scheme":
+        if (c && ALPHANUMERIC.test(c)) {
+          buffer += c.toLowerCase();
+        } else if (":" == c) {
+          this._scheme = buffer;
+          buffer = "";
+          if (stateOverride) {
+            break loop;
+          }
+          if (isRelativeScheme(this._scheme)) {
+            this._isRelative = true;
+          }
+          if ("file" == this._scheme) {
+            state = "relative";
+          } else if (this._isRelative && base && base._scheme == this._scheme) {
+            state = "relative or authority";
+          } else if (this._isRelative) {
+            state = "authority first slash";
+          } else {
+            state = "scheme data";
+          }
+        } else if (!stateOverride) {
+          buffer = "";
+          cursor = 0;
+          state = "no scheme";
+          continue;
+        } else if (EOF == c) {
+          break loop;
+        } else {
+          err("Code point not allowed in scheme: " + c);
+          break loop;
+        }
+        break;
+
+       case "scheme data":
+        if ("?" == c) {
+          this._query = "?";
+          state = "query";
+        } else if ("#" == c) {
+          this._fragment = "#";
+          state = "fragment";
+        } else {
+          if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+            this._schemeData += percentEscape(c);
+          }
+        }
+        break;
+
+       case "no scheme":
+        if (!base || !isRelativeScheme(base._scheme)) {
+          err("Missing scheme.");
+          invalid.call(this);
+        } else {
+          state = "relative";
+          continue;
+        }
+        break;
+
+       case "relative or authority":
+        if ("/" == c && "/" == input[cursor + 1]) {
+          state = "authority ignore slashes";
+        } else {
+          err("Expected /, got: " + c);
+          state = "relative";
+          continue;
+        }
+        break;
+
+       case "relative":
+        this._isRelative = true;
+        if ("file" != this._scheme) this._scheme = base._scheme;
+        if (EOF == c) {
+          this._host = base._host;
+          this._port = base._port;
+          this._path = base._path.slice();
+          this._query = base._query;
+          this._username = base._username;
+          this._password = base._password;
+          break loop;
+        } else if ("/" == c || "\\" == c) {
+          if ("\\" == c) err("\\ is an invalid code point.");
+          state = "relative slash";
+        } else if ("?" == c) {
+          this._host = base._host;
+          this._port = base._port;
+          this._path = base._path.slice();
+          this._query = "?";
+          this._username = base._username;
+          this._password = base._password;
+          state = "query";
+        } else if ("#" == c) {
+          this._host = base._host;
+          this._port = base._port;
+          this._path = base._path.slice();
+          this._query = base._query;
+          this._fragment = "#";
+          this._username = base._username;
+          this._password = base._password;
+          state = "fragment";
+        } else {
+          var nextC = input[cursor + 1];
+          var nextNextC = input[cursor + 2];
+          if ("file" != this._scheme || !ALPHA.test(c) || nextC != ":" && nextC != "|" || EOF != nextNextC && "/" != nextNextC && "\\" != nextNextC && "?" != nextNextC && "#" != nextNextC) {
+            this._host = base._host;
+            this._port = base._port;
+            this._username = base._username;
+            this._password = base._password;
+            this._path = base._path.slice();
+            this._path.pop();
+          }
+          state = "relative path";
+          continue;
+        }
+        break;
+
+       case "relative slash":
+        if ("/" == c || "\\" == c) {
+          if ("\\" == c) {
+            err("\\ is an invalid code point.");
+          }
+          if ("file" == this._scheme) {
+            state = "file host";
+          } else {
+            state = "authority ignore slashes";
+          }
+        } else {
+          if ("file" != this._scheme) {
+            this._host = base._host;
+            this._port = base._port;
+            this._username = base._username;
+            this._password = base._password;
+          }
+          state = "relative path";
+          continue;
+        }
+        break;
+
+       case "authority first slash":
+        if ("/" == c) {
+          state = "authority second slash";
+        } else {
+          err("Expected '/', got: " + c);
+          state = "authority ignore slashes";
+          continue;
+        }
+        break;
+
+       case "authority second slash":
+        state = "authority ignore slashes";
+        if ("/" != c) {
+          err("Expected '/', got: " + c);
+          continue;
+        }
+        break;
+
+       case "authority ignore slashes":
+        if ("/" != c && "\\" != c) {
+          state = "authority";
+          continue;
+        } else {
+          err("Expected authority, got: " + c);
+        }
+        break;
+
+       case "authority":
+        if ("@" == c) {
+          if (seenAt) {
+            err("@ already seen.");
+            buffer += "%40";
+          }
+          seenAt = true;
+          for (var i = 0; i < buffer.length; i++) {
+            var cp = buffer[i];
+            if ("	" == cp || "\n" == cp || "\r" == cp) {
+              err("Invalid whitespace in authority.");
+              continue;
+            }
+            if (":" == cp && null === this._password) {
+              this._password = "";
+              continue;
+            }
+            var tempC = percentEscape(cp);
+            null !== this._password ? this._password += tempC : this._username += tempC;
+          }
+          buffer = "";
+        } else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) {
+          cursor -= buffer.length;
+          buffer = "";
+          state = "host";
+          continue;
+        } else {
+          buffer += c;
+        }
+        break;
+
+       case "file host":
+        if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) {
+          if (buffer.length == 2 && ALPHA.test(buffer[0]) && (buffer[1] == ":" || buffer[1] == "|")) {
+            state = "relative path";
+          } else if (buffer.length == 0) {
+            state = "relative path start";
+          } else {
+            this._host = IDNAToASCII.call(this, buffer);
+            buffer = "";
+            state = "relative path start";
+          }
+          continue;
+        } else if ("	" == c || "\n" == c || "\r" == c) {
+          err("Invalid whitespace in file host.");
+        } else {
+          buffer += c;
+        }
+        break;
+
+       case "host":
+       case "hostname":
+        if (":" == c && !seenBracket) {
+          this._host = IDNAToASCII.call(this, buffer);
+          buffer = "";
+          state = "port";
+          if ("hostname" == stateOverride) {
+            break loop;
+          }
+        } else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) {
+          this._host = IDNAToASCII.call(this, buffer);
+          buffer = "";
+          state = "relative path start";
+          if (stateOverride) {
+            break loop;
+          }
+          continue;
+        } else if ("	" != c && "\n" != c && "\r" != c) {
+          if ("[" == c) {
+            seenBracket = true;
+          } else if ("]" == c) {
+            seenBracket = false;
+          }
+          buffer += c;
+        } else {
+          err("Invalid code point in host/hostname: " + c);
+        }
+        break;
+
+       case "port":
+        if (/[0-9]/.test(c)) {
+          buffer += c;
+        } else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c || stateOverride) {
+          if ("" != buffer) {
+            var temp = parseInt(buffer, 10);
+            if (temp != relative[this._scheme]) {
+              this._port = temp + "";
+            }
+            buffer = "";
+          }
+          if (stateOverride) {
+            break loop;
+          }
+          state = "relative path start";
+          continue;
+        } else if ("	" == c || "\n" == c || "\r" == c) {
+          err("Invalid code point in port: " + c);
+        } else {
+          invalid.call(this);
+        }
+        break;
+
+       case "relative path start":
+        if ("\\" == c) err("'\\' not allowed in path.");
+        state = "relative path";
+        if ("/" != c && "\\" != c) {
+          continue;
+        }
+        break;
+
+       case "relative path":
+        if (EOF == c || "/" == c || "\\" == c || !stateOverride && ("?" == c || "#" == c)) {
+          if ("\\" == c) {
+            err("\\ not allowed in relative path.");
+          }
+          var tmp;
+          if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
+            buffer = tmp;
+          }
+          if (".." == buffer) {
+            this._path.pop();
+            if ("/" != c && "\\" != c) {
+              this._path.push("");
+            }
+          } else if ("." == buffer && "/" != c && "\\" != c) {
+            this._path.push("");
+          } else if ("." != buffer) {
+            if ("file" == this._scheme && this._path.length == 0 && buffer.length == 2 && ALPHA.test(buffer[0]) && buffer[1] == "|") {
+              buffer = buffer[0] + ":";
+            }
+            this._path.push(buffer);
+          }
+          buffer = "";
+          if ("?" == c) {
+            this._query = "?";
+            state = "query";
+          } else if ("#" == c) {
+            this._fragment = "#";
+            state = "fragment";
+          }
+        } else if ("	" != c && "\n" != c && "\r" != c) {
+          buffer += percentEscape(c);
+        }
+        break;
+
+       case "query":
+        if (!stateOverride && "#" == c) {
+          this._fragment = "#";
+          state = "fragment";
+        } else if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+          this._query += percentEscapeQuery(c);
+        }
+        break;
+
+       case "fragment":
+        if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+          this._fragment += c;
+        }
+        break;
+      }
+      cursor++;
+    }
+  }
+  function clear() {
+    this._scheme = "";
+    this._schemeData = "";
+    this._username = "";
+    this._password = null;
+    this._host = "";
+    this._port = "";
+    this._path = [];
+    this._query = "";
+    this._fragment = "";
+    this._isInvalid = false;
+    this._isRelative = false;
+  }
+  function jURL(url, base) {
+    if (base !== undefined && !(base instanceof jURL)) base = new jURL(String(base));
+    this._url = url;
+    clear.call(this);
+    var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, "");
+    parse.call(this, input, null, base);
+  }
+  jURL.prototype = {
+    toString: function() {
+      return this.href;
+    },
+    get href() {
+      if (this._isInvalid) return this._url;
+      var authority = "";
+      if ("" != this._username || null != this._password) {
+        authority = this._username + (null != this._password ? ":" + this._password : "") + "@";
+      }
+      return this.protocol + (this._isRelative ? "//" + authority + this.host : "") + this.pathname + this._query + this._fragment;
+    },
+    set href(href) {
+      clear.call(this);
+      parse.call(this, href);
+    },
+    get protocol() {
+      return this._scheme + ":";
+    },
+    set protocol(protocol) {
+      if (this._isInvalid) return;
+      parse.call(this, protocol + ":", "scheme start");
+    },
+    get host() {
+      return this._isInvalid ? "" : this._port ? this._host + ":" + this._port : this._host;
+    },
+    set host(host) {
+      if (this._isInvalid || !this._isRelative) return;
+      parse.call(this, host, "host");
+    },
+    get hostname() {
+      return this._host;
+    },
+    set hostname(hostname) {
+      if (this._isInvalid || !this._isRelative) return;
+      parse.call(this, hostname, "hostname");
+    },
+    get port() {
+      return this._port;
+    },
+    set port(port) {
+      if (this._isInvalid || !this._isRelative) return;
+      parse.call(this, port, "port");
+    },
+    get pathname() {
+      return this._isInvalid ? "" : this._isRelative ? "/" + this._path.join("/") : this._schemeData;
+    },
+    set pathname(pathname) {
+      if (this._isInvalid || !this._isRelative) return;
+      this._path = [];
+      parse.call(this, pathname, "relative path start");
+    },
+    get search() {
+      return this._isInvalid || !this._query || "?" == this._query ? "" : this._query;
+    },
+    set search(search) {
+      if (this._isInvalid || !this._isRelative) return;
+      this._query = "?";
+      if ("?" == search[0]) search = search.slice(1);
+      parse.call(this, search, "query");
+    },
+    get hash() {
+      return this._isInvalid || !this._fragment || "#" == this._fragment ? "" : this._fragment;
+    },
+    set hash(hash) {
+      if (this._isInvalid) return;
+      this._fragment = "#";
+      if ("#" == hash[0]) hash = hash.slice(1);
+      parse.call(this, hash, "fragment");
+    },
+    get origin() {
+      var host;
+      if (this._isInvalid || !this._scheme) {
+        return "";
+      }
+      switch (this._scheme) {
+       case "data":
+       case "file":
+       case "javascript":
+       case "mailto":
+        return "null";
+      }
+      host = this.host;
+      if (!host) {
+        return "";
+      }
+      return this._scheme + "://" + host;
+    }
+  };
+  var OriginalURL = scope.URL;
+  if (OriginalURL) {
+    jURL.createObjectURL = function(blob) {
+      return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
+    };
+    jURL.revokeObjectURL = function(url) {
+      OriginalURL.revokeObjectURL(url);
+    };
+  }
+  scope.URL = jURL;
+})(self);
+
+(function(global) {
+  if (global.JsMutationObserver) {
+    return;
+  }
+  var registrationsTable = new WeakMap();
+  var setImmediate;
+  if (/Trident|Edge/.test(navigator.userAgent)) {
+    setImmediate = setTimeout;
+  } else if (window.setImmediate) {
+    setImmediate = window.setImmediate;
+  } else {
+    var setImmediateQueue = [];
+    var sentinel = String(Math.random());
+    window.addEventListener("message", function(e) {
+      if (e.data === sentinel) {
+        var queue = setImmediateQueue;
+        setImmediateQueue = [];
+        queue.forEach(function(func) {
+          func();
+        });
+      }
+    });
+    setImmediate = function(func) {
+      setImmediateQueue.push(func);
+      window.postMessage(sentinel, "*");
+    };
+  }
+  var isScheduled = false;
+  var scheduledObservers = [];
+  function scheduleCallback(observer) {
+    scheduledObservers.push(observer);
+    if (!isScheduled) {
+      isScheduled = true;
+      setImmediate(dispatchCallbacks);
+    }
+  }
+  function wrapIfNeeded(node) {
+    return window.ShadowDOMPolyfill && window.ShadowDOMPolyfill.wrapIfNeeded(node) || node;
+  }
+  function dispatchCallbacks() {
+    isScheduled = false;
+    var observers = scheduledObservers;
+    scheduledObservers = [];
+    observers.sort(function(o1, o2) {
+      return o1.uid_ - o2.uid_;
+    });
+    var anyNonEmpty = false;
+    observers.forEach(function(observer) {
+      var queue = observer.takeRecords();
+      removeTransientObserversFor(observer);
+      if (queue.length) {
+        observer.callback_(queue, observer);
+        anyNonEmpty = true;
+      }
+    });
+    if (anyNonEmpty) dispatchCallbacks();
+  }
+  function removeTransientObserversFor(observer) {
+    observer.nodes_.forEach(function(node) {
+      var registrations = registrationsTable.get(node);
+      if (!registrations) return;
+      registrations.forEach(function(registration) {
+        if (registration.observer === observer) registration.removeTransientObservers();
+      });
+    });
+  }
+  function forEachAncestorAndObserverEnqueueRecord(target, callback) {
+    for (var node = target; node; node = node.parentNode) {
+      var registrations = registrationsTable.get(node);
+      if (registrations) {
+        for (var j = 0; j < registrations.length; j++) {
+          var registration = registrations[j];
+          var options = registration.options;
+          if (node !== target && !options.subtree) continue;
+          var record = callback(options);
+          if (record) registration.enqueue(record);
+        }
+      }
+    }
+  }
+  var uidCounter = 0;
+  function JsMutationObserver(callback) {
+    this.callback_ = callback;
+    this.nodes_ = [];
+    this.records_ = [];
+    this.uid_ = ++uidCounter;
+  }
+  JsMutationObserver.prototype = {
+    observe: function(target, options) {
+      target = wrapIfNeeded(target);
+      if (!options.childList && !options.attributes && !options.characterData || options.attributeOldValue && !options.attributes || options.attributeFilter && options.attributeFilter.length && !options.attributes || options.characterDataOldValue && !options.characterData) {
+        throw new SyntaxError();
+      }
+      var registrations = registrationsTable.get(target);
+      if (!registrations) registrationsTable.set(target, registrations = []);
+      var registration;
+      for (var i = 0; i < registrations.length; i++) {
+        if (registrations[i].observer === this) {
+          registration = registrations[i];
+          registration.removeListeners();
+          registration.options = options;
+          break;
+        }
+      }
+      if (!registration) {
+        registration = new Registration(this, target, options);
+        registrations.push(registration);
+        this.nodes_.push(target);
+      }
+      registration.addListeners();
+    },
+    disconnect: function() {
+      this.nodes_.forEach(function(node) {
+        var registrations = registrationsTable.get(node);
+        for (var i = 0; i < registrations.length; i++) {
+          var registration = registrations[i];
+          if (registration.observer === this) {
+            registration.removeListeners();
+            registrations.splice(i, 1);
+            break;
+          }
+        }
+      }, this);
+      this.records_ = [];
+    },
+    takeRecords: function() {
+      var copyOfRecords = this.records_;
+      this.records_ = [];
+      return copyOfRecords;
+    }
+  };
+  function MutationRecord(type, target) {
+    this.type = type;
+    this.target = target;
+    this.addedNodes = [];
+    this.removedNodes = [];
+    this.previousSibling = null;
+    this.nextSibling = null;
+    this.attributeName = null;
+    this.attributeNamespace = null;
+    this.oldValue = null;
+  }
+  function copyMutationRecord(original) {
+    var record = new MutationRecord(original.type, original.target);
+    record.addedNodes = original.addedNodes.slice();
+    record.removedNodes = original.removedNodes.slice();
+    record.previousSibling = original.previousSibling;
+    record.nextSibling = original.nextSibling;
+    record.attributeName = original.attributeName;
+    record.attributeNamespace = original.attributeNamespace;
+    record.oldValue = original.oldValue;
+    return record;
+  }
+  var currentRecord, recordWithOldValue;
+  function getRecord(type, target) {
+    return currentRecord = new MutationRecord(type, target);
+  }
+  function getRecordWithOldValue(oldValue) {
+    if (recordWithOldValue) return recordWithOldValue;
+    recordWithOldValue = copyMutationRecord(currentRecord);
+    recordWithOldValue.oldValue = oldValue;
+    return recordWithOldValue;
+  }
+  function clearRecords() {
+    currentRecord = recordWithOldValue = undefined;
+  }
+  function recordRepresentsCurrentMutation(record) {
+    return record === recordWithOldValue || record === currentRecord;
+  }
+  function selectRecord(lastRecord, newRecord) {
+    if (lastRecord === newRecord) return lastRecord;
+    if (recordWithOldValue && recordRepresentsCurrentMutation(lastRecord)) return recordWithOldValue;
+    return null;
+  }
+  function Registration(observer, target, options) {
+    this.observer = observer;
+    this.target = target;
+    this.options = options;
+    this.transientObservedNodes = [];
+  }
+  Registration.prototype = {
+    enqueue: function(record) {
+      var records = this.observer.records_;
+      var length = records.length;
+      if (records.length > 0) {
+        var lastRecord = records[length - 1];
+        var recordToReplaceLast = selectRecord(lastRecord, record);
+        if (recordToReplaceLast) {
+          records[length - 1] = recordToReplaceLast;
+          return;
+        }
+      } else {
+        scheduleCallback(this.observer);
+      }
+      records[length] = record;
+    },
+    addListeners: function() {
+      this.addListeners_(this.target);
+    },
+    addListeners_: function(node) {
+      var options = this.options;
+      if (options.attributes) node.addEventListener("DOMAttrModified", this, true);
+      if (options.characterData) node.addEventListener("DOMCharacterDataModified", this, true);
+      if (options.childList) node.addEventListener("DOMNodeInserted", this, true);
+      if (options.childList || options.subtree) node.addEventListener("DOMNodeRemoved", this, true);
+    },
+    removeListeners: function() {
+      this.removeListeners_(this.target);
+    },
+    removeListeners_: function(node) {
+      var options = this.options;
+      if (options.attributes) node.removeEventListener("DOMAttrModified", this, true);
+      if (options.characterData) node.removeEventListener("DOMCharacterDataModified", this, true);
+      if (options.childList) node.removeEventListener("DOMNodeInserted", this, true);
+      if (options.childList || options.subtree) node.removeEventListener("DOMNodeRemoved", this, true);
+    },
+    addTransientObserver: function(node) {
+      if (node === this.target) return;
+      this.addListeners_(node);
+      this.transientObservedNodes.push(node);
+      var registrations = registrationsTable.get(node);
+      if (!registrations) registrationsTable.set(node, registrations = []);
+      registrations.push(this);
+    },
+    removeTransientObservers: function() {
+      var transientObservedNodes = this.transientObservedNodes;
+      this.transientObservedNodes = [];
+      transientObservedNodes.forEach(function(node) {
+        this.removeListeners_(node);
+        var registrations = registrationsTable.get(node);
+        for (var i = 0; i < registrations.length; i++) {
+          if (registrations[i] === this) {
+            registrations.splice(i, 1);
+            break;
+          }
+        }
+      }, this);
+    },
+    handleEvent: function(e) {
+      e.stopImmediatePropagation();
+      switch (e.type) {
+       case "DOMAttrModified":
+        var name = e.attrName;
+        var namespace = e.relatedNode.namespaceURI;
+        var target = e.target;
+        var record = new getRecord("attributes", target);
+        record.attributeName = name;
+        record.attributeNamespace = namespace;
+        var oldValue = e.attrChange === MutationEvent.ADDITION ? null : e.prevValue;
+        forEachAncestorAndObserverEnqueueRecord(target, function(options) {
+          if (!options.attributes) return;
+          if (options.attributeFilter && options.attributeFilter.length && options.attributeFilter.indexOf(name) === -1 && options.attributeFilter.indexOf(namespace) === -1) {
+            return;
+          }
+          if (options.attributeOldValue) return getRecordWithOldValue(oldValue);
+          return record;
+        });
+        break;
+
+       case "DOMCharacterDataModified":
+        var target = e.target;
+        var record = getRecord("characterData", target);
+        var oldValue = e.prevValue;
+        forEachAncestorAndObserverEnqueueRecord(target, function(options) {
+          if (!options.characterData) return;
+          if (options.characterDataOldValue) return getRecordWithOldValue(oldValue);
+          return record;
+        });
+        break;
+
+       case "DOMNodeRemoved":
+        this.addTransientObserver(e.target);
+
+       case "DOMNodeInserted":
+        var changedNode = e.target;
+        var addedNodes, removedNodes;
+        if (e.type === "DOMNodeInserted") {
+          addedNodes = [ changedNode ];
+          removedNodes = [];
+        } else {
+          addedNodes = [];
+          removedNodes = [ changedNode ];
+        }
+        var previousSibling = changedNode.previousSibling;
+        var nextSibling = changedNode.nextSibling;
+        var record = getRecord("childList", e.target.parentNode);
+        record.addedNodes = addedNodes;
+        record.removedNodes = removedNodes;
+        record.previousSibling = previousSibling;
+        record.nextSibling = nextSibling;
+        forEachAncestorAndObserverEnqueueRecord(e.relatedNode, function(options) {
+          if (!options.childList) return;
+          return record;
+        });
+      }
+      clearRecords();
+    }
+  };
+  global.JsMutationObserver = JsMutationObserver;
+  if (!global.MutationObserver) {
+    global.MutationObserver = JsMutationObserver;
+    JsMutationObserver._isPolyfilled = true;
+  }
+})(self);
+
+(function(scope) {
+  "use strict";
+  if (!window.performance) {
+    var start = Date.now();
+    window.performance = {
+      now: function() {
+        return Date.now() - start;
+      }
+    };
+  }
+  if (!window.requestAnimationFrame) {
+    window.requestAnimationFrame = function() {
+      var nativeRaf = window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
+      return nativeRaf ? function(callback) {
+        return nativeRaf(function() {
+          callback(performance.now());
+        });
+      } : function(callback) {
+        return window.setTimeout(callback, 1e3 / 60);
+      };
+    }();
+  }
+  if (!window.cancelAnimationFrame) {
+    window.cancelAnimationFrame = function() {
+      return window.webkitCancelAnimationFrame || window.mozCancelAnimationFrame || function(id) {
+        clearTimeout(id);
+      };
+    }();
+  }
+  var workingDefaultPrevented = function() {
+    var e = document.createEvent("Event");
+    e.initEvent("foo", true, true);
+    e.preventDefault();
+    return e.defaultPrevented;
+  }();
+  if (!workingDefaultPrevented) {
+    var origPreventDefault = Event.prototype.preventDefault;
+    Event.prototype.preventDefault = function() {
+      if (!this.cancelable) {
+        return;
+      }
+      origPreventDefault.call(this);
+      Object.defineProperty(this, "defaultPrevented", {
+        get: function() {
+          return true;
+        },
+        configurable: true
+      });
+    };
+  }
+  var isIE = /Trident/.test(navigator.userAgent);
+  if (!window.CustomEvent || isIE && typeof window.CustomEvent !== "function") {
+    window.CustomEvent = function(inType, params) {
+      params = params || {};
+      var e = document.createEvent("CustomEvent");
+      e.initCustomEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable), params.detail);
+      return e;
+    };
+    window.CustomEvent.prototype = window.Event.prototype;
+  }
+  if (!window.Event || isIE && typeof window.Event !== "function") {
+    var origEvent = window.Event;
+    window.Event = function(inType, params) {
+      params = params || {};
+      var e = document.createEvent("Event");
+      e.initEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable));
+      return e;
+    };
+    window.Event.prototype = origEvent.prototype;
+  }
+})(window.WebComponents);
+
+window.HTMLImports = window.HTMLImports || {
+  flags: {}
+};
+
+(function(scope) {
+  var IMPORT_LINK_TYPE = "import";
+  var useNative = Boolean(IMPORT_LINK_TYPE in document.createElement("link"));
+  var hasShadowDOMPolyfill = Boolean(window.ShadowDOMPolyfill);
+  var wrap = function(node) {
+    return hasShadowDOMPolyfill ? window.ShadowDOMPolyfill.wrapIfNeeded(node) : node;
+  };
+  var rootDocument = wrap(document);
+  var currentScriptDescriptor = {
+    get: function() {
+      var script = window.HTMLImports.currentScript || document.currentScript || (document.readyState !== "complete" ? document.scripts[document.scripts.length - 1] : null);
+      return wrap(script);
+    },
+    configurable: true
+  };
+  Object.defineProperty(document, "_currentScript", currentScriptDescriptor);
+  Object.defineProperty(rootDocument, "_currentScript", currentScriptDescriptor);
+  var isIE = /Trident/.test(navigator.userAgent);
+  function whenReady(callback, doc) {
+    doc = doc || rootDocument;
+    whenDocumentReady(function() {
+      watchImportsLoad(callback, doc);
+    }, doc);
+  }
+  var requiredReadyState = isIE ? "complete" : "interactive";
+  var READY_EVENT = "readystatechange";
+  function isDocumentReady(doc) {
+    return doc.readyState === "complete" || doc.readyState === requiredReadyState;
+  }
+  function whenDocumentReady(callback, doc) {
+    if (!isDocumentReady(doc)) {
+      var checkReady = function() {
+        if (doc.readyState === "complete" || doc.readyState === requiredReadyState) {
+          doc.removeEventListener(READY_EVENT, checkReady);
+          whenDocumentReady(callback, doc);
+        }
+      };
+      doc.addEventListener(READY_EVENT, checkReady);
+    } else if (callback) {
+      callback();
+    }
+  }
+  function markTargetLoaded(event) {
+    event.target.__loaded = true;
+  }
+  function watchImportsLoad(callback, doc) {
+    var imports = doc.querySelectorAll("link[rel=import]");
+    var parsedCount = 0, importCount = imports.length, newImports = [], errorImports = [];
+    function checkDone() {
+      if (parsedCount == importCount && callback) {
+        callback({
+          allImports: imports,
+          loadedImports: newImports,
+          errorImports: errorImports
+        });
+      }
+    }
+    function loadedImport(e) {
+      markTargetLoaded(e);
+      newImports.push(this);
+      parsedCount++;
+      checkDone();
+    }
+    function errorLoadingImport(e) {
+      errorImports.push(this);
+      parsedCount++;
+      checkDone();
+    }
+    if (importCount) {
+      for (var i = 0, imp; i < importCount && (imp = imports[i]); i++) {
+        if (isImportLoaded(imp)) {
+          newImports.push(this);
+          parsedCount++;
+          checkDone();
+        } else {
+          imp.addEventListener("load", loadedImport);
+          imp.addEventListener("error", errorLoadingImport);
+        }
+      }
+    } else {
+      checkDone();
+    }
+  }
+  function isImportLoaded(link) {
+    return useNative ? link.__loaded || link.import && link.import.readyState !== "loading" : link.__importParsed;
+  }
+  if (useNative) {
+    new MutationObserver(function(mxns) {
+      for (var i = 0, l = mxns.length, m; i < l && (m = mxns[i]); i++) {
+        if (m.addedNodes) {
+          handleImports(m.addedNodes);
+        }
+      }
+    }).observe(document.head, {
+      childList: true
+    });
+    function handleImports(nodes) {
+      for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+        if (isImport(n)) {
+          handleImport(n);
+        }
+      }
+    }
+    function isImport(element) {
+      return element.localName === "link" && element.rel === "import";
+    }
+    function handleImport(element) {
+      var loaded = element.import;
+      if (loaded) {
+        markTargetLoaded({
+          target: element
+        });
+      } else {
+        element.addEventListener("load", markTargetLoaded);
+        element.addEventListener("error", markTargetLoaded);
+      }
+    }
+    (function() {
+      if (document.readyState === "loading") {
+        var imports = document.querySelectorAll("link[rel=import]");
+        for (var i = 0, l = imports.length, imp; i < l && (imp = imports[i]); i++) {
+          handleImport(imp);
+        }
+      }
+    })();
+  }
+  whenReady(function(detail) {
+    window.HTMLImports.ready = true;
+    window.HTMLImports.readyTime = new Date().getTime();
+    var evt = rootDocument.createEvent("CustomEvent");
+    evt.initCustomEvent("HTMLImportsLoaded", true, true, detail);
+    rootDocument.dispatchEvent(evt);
+  });
+  scope.IMPORT_LINK_TYPE = IMPORT_LINK_TYPE;
+  scope.useNative = useNative;
+  scope.rootDocument = rootDocument;
+  scope.whenReady = whenReady;
+  scope.isIE = isIE;
+})(window.HTMLImports);
+
+(function(scope) {
+  var modules = [];
+  var addModule = function(module) {
+    modules.push(module);
+  };
+  var initializeModules = function() {
+    modules.forEach(function(module) {
+      module(scope);
+    });
+  };
+  scope.addModule = addModule;
+  scope.initializeModules = initializeModules;
+})(window.HTMLImports);
+
+window.HTMLImports.addModule(function(scope) {
+  var CSS_URL_REGEXP = /(url\()([^)]*)(\))/g;
+  var CSS_IMPORT_REGEXP = /(@import[\s]+(?!url\())([^;]*)(;)/g;
+  var path = {
+    resolveUrlsInStyle: function(style, linkUrl) {
+      var doc = style.ownerDocument;
+      var resolver = doc.createElement("a");
+      style.textContent = this.resolveUrlsInCssText(style.textContent, linkUrl, resolver);
+      return style;
+    },
+    resolveUrlsInCssText: function(cssText, linkUrl, urlObj) {
+      var r = this.replaceUrls(cssText, urlObj, linkUrl, CSS_URL_REGEXP);
+      r = this.replaceUrls(r, urlObj, linkUrl, CSS_IMPORT_REGEXP);
+      return r;
+    },
+    replaceUrls: function(text, urlObj, linkUrl, regexp) {
+      return text.replace(regexp, function(m, pre, url, post) {
+        var urlPath = url.replace(/["']/g, "");
+        if (linkUrl) {
+          urlPath = new URL(urlPath, linkUrl).href;
+        }
+        urlObj.href = urlPath;
+        urlPath = urlObj.href;
+        return pre + "'" + urlPath + "'" + post;
+      });
+    }
+  };
+  scope.path = path;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var xhr = {
+    async: true,
+    ok: function(request) {
+      return request.status >= 200 && request.status < 300 || request.status === 304 || request.status === 0;
+    },
+    load: function(url, next, nextContext) {
+      var request = new XMLHttpRequest();
+      if (scope.flags.debug || scope.flags.bust) {
+        url += "?" + Math.random();
+      }
+      request.open("GET", url, xhr.async);
+      request.addEventListener("readystatechange", function(e) {
+        if (request.readyState === 4) {
+          var redirectedUrl = null;
+          try {
+            var locationHeader = request.getResponseHeader("Location");
+            if (locationHeader) {
+              redirectedUrl = locationHeader.substr(0, 1) === "/" ? location.origin + locationHeader : locationHeader;
+            }
+          } catch (e) {
+            console.error(e.message);
+          }
+          next.call(nextContext, !xhr.ok(request) && request, request.response || request.responseText, redirectedUrl);
+        }
+      });
+      request.send();
+      return request;
+    },
+    loadDocument: function(url, next, nextContext) {
+      this.load(url, next, nextContext).responseType = "document";
+    }
+  };
+  scope.xhr = xhr;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var xhr = scope.xhr;
+  var flags = scope.flags;
+  var Loader = function(onLoad, onComplete) {
+    this.cache = {};
+    this.onload = onLoad;
+    this.oncomplete = onComplete;
+    this.inflight = 0;
+    this.pending = {};
+  };
+  Loader.prototype = {
+    addNodes: function(nodes) {
+      this.inflight += nodes.length;
+      for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+        this.require(n);
+      }
+      this.checkDone();
+    },
+    addNode: function(node) {
+      this.inflight++;
+      this.require(node);
+      this.checkDone();
+    },
+    require: function(elt) {
+      var url = elt.src || elt.href;
+      elt.__nodeUrl = url;
+      if (!this.dedupe(url, elt)) {
+        this.fetch(url, elt);
+      }
+    },
+    dedupe: function(url, elt) {
+      if (this.pending[url]) {
+        this.pending[url].push(elt);
+        return true;
+      }
+      var resource;
+      if (this.cache[url]) {
+        this.onload(url, elt, this.cache[url]);
+        this.tail();
+        return true;
+      }
+      this.pending[url] = [ elt ];
+      return false;
+    },
+    fetch: function(url, elt) {
+      flags.load && console.log("fetch", url, elt);
+      if (!url) {
+        setTimeout(function() {
+          this.receive(url, elt, {
+            error: "href must be specified"
+          }, null);
+        }.bind(this), 0);
+      } else if (url.match(/^data:/)) {
+        var pieces = url.split(",");
+        var header = pieces[0];
+        var body = pieces[1];
+        if (header.indexOf(";base64") > -1) {
+          body = atob(body);
+        } else {
+          body = decodeURIComponent(body);
+        }
+        setTimeout(function() {
+          this.receive(url, elt, null, body);
+        }.bind(this), 0);
+      } else {
+        var receiveXhr = function(err, resource, redirectedUrl) {
+          this.receive(url, elt, err, resource, redirectedUrl);
+        }.bind(this);
+        xhr.load(url, receiveXhr);
+      }
+    },
+    receive: function(url, elt, err, resource, redirectedUrl) {
+      this.cache[url] = resource;
+      var $p = this.pending[url];
+      for (var i = 0, l = $p.length, p; i < l && (p = $p[i]); i++) {
+        this.onload(url, p, resource, err, redirectedUrl);
+        this.tail();
+      }
+      this.pending[url] = null;
+    },
+    tail: function() {
+      --this.inflight;
+      this.checkDone();
+    },
+    checkDone: function() {
+      if (!this.inflight) {
+        this.oncomplete();
+      }
+    }
+  };
+  scope.Loader = Loader;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var Observer = function(addCallback) {
+    this.addCallback = addCallback;
+    this.mo = new MutationObserver(this.handler.bind(this));
+  };
+  Observer.prototype = {
+    handler: function(mutations) {
+      for (var i = 0, l = mutations.length, m; i < l && (m = mutations[i]); i++) {
+        if (m.type === "childList" && m.addedNodes.length) {
+          this.addedNodes(m.addedNodes);
+        }
+      }
+    },
+    addedNodes: function(nodes) {
+      if (this.addCallback) {
+        this.addCallback(nodes);
+      }
+      for (var i = 0, l = nodes.length, n, loading; i < l && (n = nodes[i]); i++) {
+        if (n.children && n.children.length) {
+          this.addedNodes(n.children);
+        }
+      }
+    },
+    observe: function(root) {
+      this.mo.observe(root, {
+        childList: true,
+        subtree: true
+      });
+    }
+  };
+  scope.Observer = Observer;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var path = scope.path;
+  var rootDocument = scope.rootDocument;
+  var flags = scope.flags;
+  var isIE = scope.isIE;
+  var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
+  var IMPORT_SELECTOR = "link[rel=" + IMPORT_LINK_TYPE + "]";
+  var importParser = {
+    documentSelectors: IMPORT_SELECTOR,
+    importsSelectors: [ IMPORT_SELECTOR, "link[rel=stylesheet]:not([type])", "style:not([type])", "script:not([type])", 'script[type="application/javascript"]', 'script[type="text/javascript"]' ].join(","),
+    map: {
+      link: "parseLink",
+      script: "parseScript",
+      style: "parseStyle"
+    },
+    dynamicElements: [],
+    parseNext: function() {
+      var next = this.nextToParse();
+      if (next) {
+        this.parse(next);
+      }
+    },
+    parse: function(elt) {
+      if (this.isParsed(elt)) {
+        flags.parse && console.log("[%s] is already parsed", elt.localName);
+        return;
+      }
+      var fn = this[this.map[elt.localName]];
+      if (fn) {
+        this.markParsing(elt);
+        fn.call(this, elt);
+      }
+    },
+    parseDynamic: function(elt, quiet) {
+      this.dynamicElements.push(elt);
+      if (!quiet) {
+        this.parseNext();
+      }
+    },
+    markParsing: function(elt) {
+      flags.parse && console.log("parsing", elt);
+      this.parsingElement = elt;
+    },
+    markParsingComplete: function(elt) {
+      elt.__importParsed = true;
+      this.markDynamicParsingComplete(elt);
+      if (elt.__importElement) {
+        elt.__importElement.__importParsed = true;
+        this.markDynamicParsingComplete(elt.__importElement);
+      }
+      this.parsingElement = null;
+      flags.parse && console.log("completed", elt);
+    },
+    markDynamicParsingComplete: function(elt) {
+      var i = this.dynamicElements.indexOf(elt);
+      if (i >= 0) {
+        this.dynamicElements.splice(i, 1);
+      }
+    },
+    parseImport: function(elt) {
+      elt.import = elt.__doc;
+      if (window.HTMLImports.__importsParsingHook) {
+        window.HTMLImports.__importsParsingHook(elt);
+      }
+      if (elt.import) {
+        elt.import.__importParsed = true;
+      }
+      this.markParsingComplete(elt);
+      if (elt.__resource && !elt.__error) {
+        elt.dispatchEvent(new CustomEvent("load", {
+          bubbles: false
+        }));
+      } else {
+        elt.dispatchEvent(new CustomEvent("error", {
+          bubbles: false
+        }));
+      }
+      if (elt.__pending) {
+        var fn;
+        while (elt.__pending.length) {
+          fn = elt.__pending.shift();
+          if (fn) {
+            fn({
+              target: elt
+            });
+          }
+        }
+      }
+      this.parseNext();
+    },
+    parseLink: function(linkElt) {
+      if (nodeIsImport(linkElt)) {
+        this.parseImport(linkElt);
+      } else {
+        linkElt.href = linkElt.href;
+        this.parseGeneric(linkElt);
+      }
+    },
+    parseStyle: function(elt) {
+      var src = elt;
+      elt = cloneStyle(elt);
+      src.__appliedElement = elt;
+      elt.__importElement = src;
+      this.parseGeneric(elt);
+    },
+    parseGeneric: function(elt) {
+      this.trackElement(elt);
+      this.addElementToDocument(elt);
+    },
+    rootImportForElement: function(elt) {
+      var n = elt;
+      while (n.ownerDocument.__importLink) {
+        n = n.ownerDocument.__importLink;
+      }
+      return n;
+    },
+    addElementToDocument: function(elt) {
+      var port = this.rootImportForElement(elt.__importElement || elt);
+      port.parentNode.insertBefore(elt, port);
+    },
+    trackElement: function(elt, callback) {
+      var self = this;
+      var done = function(e) {
+        elt.removeEventListener("load", done);
+        elt.removeEventListener("error", done);
+        if (callback) {
+          callback(e);
+        }
+        self.markParsingComplete(elt);
+        self.parseNext();
+      };
+      elt.addEventListener("load", done);
+      elt.addEventListener("error", done);
+      if (isIE && elt.localName === "style") {
+        var fakeLoad = false;
+        if (elt.textContent.indexOf("@import") == -1) {
+          fakeLoad = true;
+        } else if (elt.sheet) {
+          fakeLoad = true;
+          var csr = elt.sheet.cssRules;
+          var len = csr ? csr.length : 0;
+          for (var i = 0, r; i < len && (r = csr[i]); i++) {
+            if (r.type === CSSRule.IMPORT_RULE) {
+              fakeLoad = fakeLoad && Boolean(r.styleSheet);
+            }
+          }
+        }
+        if (fakeLoad) {
+          setTimeout(function() {
+            elt.dispatchEvent(new CustomEvent("load", {
+              bubbles: false
+            }));
+          });
+        }
+      }
+    },
+    parseScript: function(scriptElt) {
+      var script = document.createElement("script");
+      script.__importElement = scriptElt;
+      script.src = scriptElt.src ? scriptElt.src : generateScriptDataUrl(scriptElt);
+      scope.currentScript = scriptElt;
+      this.trackElement(script, function(e) {
+        if (script.parentNode) {
+          script.parentNode.removeChild(script);
+        }
+        scope.currentScript = null;
+      });
+      this.addElementToDocument(script);
+    },
+    nextToParse: function() {
+      this._mayParse = [];
+      return !this.parsingElement && (this.nextToParseInDoc(rootDocument) || this.nextToParseDynamic());
+    },
+    nextToParseInDoc: function(doc, link) {
+      if (doc && this._mayParse.indexOf(doc) < 0) {
+        this._mayParse.push(doc);
+        var nodes = doc.querySelectorAll(this.parseSelectorsForNode(doc));
+        for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+          if (!this.isParsed(n)) {
+            if (this.hasResource(n)) {
+              return nodeIsImport(n) ? this.nextToParseInDoc(n.__doc, n) : n;
+            } else {
+              return;
+            }
+          }
+        }
+      }
+      return link;
+    },
+    nextToParseDynamic: function() {
+      return this.dynamicElements[0];
+    },
+    parseSelectorsForNode: function(node) {
+      var doc = node.ownerDocument || node;
+      return doc === rootDocument ? this.documentSelectors : this.importsSelectors;
+    },
+    isParsed: function(node) {
+      return node.__importParsed;
+    },
+    needsDynamicParsing: function(elt) {
+      return this.dynamicElements.indexOf(elt) >= 0;
+    },
+    hasResource: function(node) {
+      if (nodeIsImport(node) && node.__doc === undefined) {
+        return false;
+      }
+      return true;
+    }
+  };
+  function nodeIsImport(elt) {
+    return elt.localName === "link" && elt.rel === IMPORT_LINK_TYPE;
+  }
+  function generateScriptDataUrl(script) {
+    var scriptContent = generateScriptContent(script);
+    return "data:text/javascript;charset=utf-8," + encodeURIComponent(scriptContent);
+  }
+  function generateScriptContent(script) {
+    return script.textContent + generateSourceMapHint(script);
+  }
+  function generateSourceMapHint(script) {
+    var owner = script.ownerDocument;
+    owner.__importedScripts = owner.__importedScripts || 0;
+    var moniker = script.ownerDocument.baseURI;
+    var num = owner.__importedScripts ? "-" + owner.__importedScripts : "";
+    owner.__importedScripts++;
+    return "\n//# sourceURL=" + moniker + num + ".js\n";
+  }
+  function cloneStyle(style) {
+    var clone = style.ownerDocument.createElement("style");
+    clone.textContent = style.textContent;
+    path.resolveUrlsInStyle(clone);
+    return clone;
+  }
+  scope.parser = importParser;
+  scope.IMPORT_SELECTOR = IMPORT_SELECTOR;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var flags = scope.flags;
+  var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
+  var IMPORT_SELECTOR = scope.IMPORT_SELECTOR;
+  var rootDocument = scope.rootDocument;
+  var Loader = scope.Loader;
+  var Observer = scope.Observer;
+  var parser = scope.parser;
+  var importer = {
+    documents: {},
+    documentPreloadSelectors: IMPORT_SELECTOR,
+    importsPreloadSelectors: [ IMPORT_SELECTOR ].join(","),
+    loadNode: function(node) {
+      importLoader.addNode(node);
+    },
+    loadSubtree: function(parent) {
+      var nodes = this.marshalNodes(parent);
+      importLoader.addNodes(nodes);
+    },
+    marshalNodes: function(parent) {
+      return parent.querySelectorAll(this.loadSelectorsForNode(parent));
+    },
+    loadSelectorsForNode: function(node) {
+      var doc = node.ownerDocument || node;
+      return doc === rootDocument ? this.documentPreloadSelectors : this.importsPreloadSelectors;
+    },
+    loaded: function(url, elt, resource, err, redirectedUrl) {
+      flags.load && console.log("loaded", url, elt);
+      elt.__resource = resource;
+      elt.__error = err;
+      if (isImportLink(elt)) {
+        var doc = this.documents[url];
+        if (doc === undefined) {
+          doc = err ? null : makeDocument(resource, redirectedUrl || url);
+          if (doc) {
+            doc.__importLink = elt;
+            this.bootDocument(doc);
+          }
+          this.documents[url] = doc;
+        }
+        elt.__doc = doc;
+      }
+      parser.parseNext();
+    },
+    bootDocument: function(doc) {
+      this.loadSubtree(doc);
+      this.observer.observe(doc);
+      parser.parseNext();
+    },
+    loadedAll: function() {
+      parser.parseNext();
+    }
+  };
+  var importLoader = new Loader(importer.loaded.bind(importer), importer.loadedAll.bind(importer));
+  importer.observer = new Observer();
+  function isImportLink(elt) {
+    return isLinkRel(elt, IMPORT_LINK_TYPE);
+  }
+  function isLinkRel(elt, rel) {
+    return elt.localName === "link" && elt.getAttribute("rel") === rel;
+  }
+  function hasBaseURIAccessor(doc) {
+    return !!Object.getOwnPropertyDescriptor(doc, "baseURI");
+  }
+  function makeDocument(resource, url) {
+    var doc = document.implementation.createHTMLDocument(IMPORT_LINK_TYPE);
+    doc._URL = url;
+    var base = doc.createElement("base");
+    base.setAttribute("href", url);
+    if (!doc.baseURI && !hasBaseURIAccessor(doc)) {
+      Object.defineProperty(doc, "baseURI", {
+        value: url
+      });
+    }
+    var meta = doc.createElement("meta");
+    meta.setAttribute("charset", "utf-8");
+    doc.head.appendChild(meta);
+    doc.head.appendChild(base);
+    doc.body.innerHTML = resource;
+    if (window.HTMLTemplateElement && HTMLTemplateElement.bootstrap) {
+      HTMLTemplateElement.bootstrap(doc);
+    }
+    return doc;
+  }
+  if (!document.baseURI) {
+    var baseURIDescriptor = {
+      get: function() {
+        var base = document.querySelector("base");
+        return base ? base.href : window.location.href;
+      },
+      configurable: true
+    };
+    Object.defineProperty(document, "baseURI", baseURIDescriptor);
+    Object.defineProperty(rootDocument, "baseURI", baseURIDescriptor);
+  }
+  scope.importer = importer;
+  scope.importLoader = importLoader;
+});
+
+window.HTMLImports.addModule(function(scope) {
+  var parser = scope.parser;
+  var importer = scope.importer;
+  var dynamic = {
+    added: function(nodes) {
+      var owner, parsed, loading;
+      for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+        if (!owner) {
+          owner = n.ownerDocument;
+          parsed = parser.isParsed(owner);
+        }
+        loading = this.shouldLoadNode(n);
+        if (loading) {
+          importer.loadNode(n);
+        }
+        if (this.shouldParseNode(n) && parsed) {
+          parser.parseDynamic(n, loading);
+        }
+      }
+    },
+    shouldLoadNode: function(node) {
+      return node.nodeType === 1 && matches.call(node, importer.loadSelectorsForNode(node));
+    },
+    shouldParseNode: function(node) {
+      return node.nodeType === 1 && matches.call(node, parser.parseSelectorsForNode(node));
+    }
+  };
+  importer.observer.addCallback = dynamic.added.bind(dynamic);
+  var matches = HTMLElement.prototype.matches || HTMLElement.prototype.matchesSelector || HTMLElement.prototype.webkitMatchesSelector || HTMLElement.prototype.mozMatchesSelector || HTMLElement.prototype.msMatchesSelector;
+});
+
+(function(scope) {
+  var initializeModules = scope.initializeModules;
+  var isIE = scope.isIE;
+  if (scope.useNative) {
+    return;
+  }
+  initializeModules();
+  var rootDocument = scope.rootDocument;
+  function bootstrap() {
+    window.HTMLImports.importer.bootDocument(rootDocument);
+  }
+  if (document.readyState === "complete" || document.readyState === "interactive" && !window.attachEvent) {
+    bootstrap();
+  } else {
+    document.addEventListener("DOMContentLoaded", bootstrap);
+  }
+})(window.HTMLImports);
+
+window.CustomElements = window.CustomElements || {
+  flags: {}
+};
+
+(function(scope) {
+  var flags = scope.flags;
+  var modules = [];
+  var addModule = function(module) {
+    modules.push(module);
+  };
+  var initializeModules = function() {
+    modules.forEach(function(module) {
+      module(scope);
+    });
+  };
+  scope.addModule = addModule;
+  scope.initializeModules = initializeModules;
+  scope.hasNative = Boolean(document.registerElement);
+  scope.isIE = /Trident/.test(navigator.userAgent);
+  scope.useNative = !flags.register && scope.hasNative && !window.ShadowDOMPolyfill && (!window.HTMLImports || window.HTMLImports.useNative);
+})(window.CustomElements);
+
+window.CustomElements.addModule(function(scope) {
+  var IMPORT_LINK_TYPE = window.HTMLImports ? window.HTMLImports.IMPORT_LINK_TYPE : "none";
+  function forSubtree(node, cb) {
+    findAllElements(node, function(e) {
+      if (cb(e)) {
+        return true;
+      }
+      forRoots(e, cb);
+    });
+    forRoots(node, cb);
+  }
+  function findAllElements(node, find, data) {
+    var e = node.firstElementChild;
+    if (!e) {
+      e = node.firstChild;
+      while (e && e.nodeType !== Node.ELEMENT_NODE) {
+        e = e.nextSibling;
+      }
+    }
+    while (e) {
+      if (find(e, data) !== true) {
+        findAllElements(e, find, data);
+      }
+      e = e.nextElementSibling;
+    }
+    return null;
+  }
+  function forRoots(node, cb) {
+    var root = node.shadowRoot;
+    while (root) {
+      forSubtree(root, cb);
+      root = root.olderShadowRoot;
+    }
+  }
+  function forDocumentTree(doc, cb) {
+    _forDocumentTree(doc, cb, []);
+  }
+  function _forDocumentTree(doc, cb, processingDocuments) {
+    doc = window.wrap(doc);
+    if (processingDocuments.indexOf(doc) >= 0) {
+      return;
+    }
+    processingDocuments.push(doc);
+    var imports = doc.querySelectorAll("link[rel=" + IMPORT_LINK_TYPE + "]");
+    for (var i = 0, l = imports.length, n; i < l && (n = imports[i]); i++) {
+      if (n.import) {
+        _forDocumentTree(n.import, cb, processingDocuments);
+      }
+    }
+    cb(doc);
+  }
+  scope.forDocumentTree = forDocumentTree;
+  scope.forSubtree = forSubtree;
+});
+
+window.CustomElements.addModule(function(scope) {
+  var flags = scope.flags;
+  var forSubtree = scope.forSubtree;
+  var forDocumentTree = scope.forDocumentTree;
+  function addedNode(node, isAttached) {
+    return added(node, isAttached) || addedSubtree(node, isAttached);
+  }
+  function added(node, isAttached) {
+    if (scope.upgrade(node, isAttached)) {
+      return true;
+    }
+    if (isAttached) {
+      attached(node);
+    }
+  }
+  function addedSubtree(node, isAttached) {
+    forSubtree(node, function(e) {
+      if (added(e, isAttached)) {
+        return true;
+      }
+    });
+  }
+  var hasThrottledAttached = window.MutationObserver._isPolyfilled && flags["throttle-attached"];
+  scope.hasPolyfillMutations = hasThrottledAttached;
+  scope.hasThrottledAttached = hasThrottledAttached;
+  var isPendingMutations = false;
+  var pendingMutations = [];
+  function deferMutation(fn) {
+    pendingMutations.push(fn);
+    if (!isPendingMutations) {
+      isPendingMutations = true;
+      setTimeout(takeMutations);
+    }
+  }
+  function takeMutations() {
+    isPendingMutations = false;
+    var $p = pendingMutations;
+    for (var i = 0, l = $p.length, p; i < l && (p = $p[i]); i++) {
+      p();
+    }
+    pendingMutations = [];
+  }
+  function attached(element) {
+    if (hasThrottledAttached) {
+      deferMutation(function() {
+        _attached(element);
+      });
+    } else {
+      _attached(element);
+    }
+  }
+  function _attached(element) {
+    if (element.__upgraded__ && !element.__attached) {
+      element.__attached = true;
+      if (element.attachedCallback) {
+        element.attachedCallback();
+      }
+    }
+  }
+  function detachedNode(node) {
+    detached(node);
+    forSubtree(node, function(e) {
+      detached(e);
+    });
+  }
+  function detached(element) {
+    if (hasThrottledAttached) {
+      deferMutation(function() {
+        _detached(element);
+      });
+    } else {
+      _detached(element);
+    }
+  }
+  function _detached(element) {
+    if (element.__upgraded__ && element.__attached) {
+      element.__attached = false;
+      if (element.detachedCallback) {
+        element.detachedCallback();
+      }
+    }
+  }
+  function inDocument(element) {
+    var p = element;
+    var doc = window.wrap(document);
+    while (p) {
+      if (p == doc) {
+        return true;
+      }
+      p = p.parentNode || p.nodeType === Node.DOCUMENT_FRAGMENT_NODE && p.host;
+    }
+  }
+  function watchShadow(node) {
+    if (node.shadowRoot && !node.shadowRoot.__watched) {
+      flags.dom && console.log("watching shadow-root for: ", node.localName);
+      var root = node.shadowRoot;
+      while (root) {
+        observe(root);
+        root = root.olderShadowRoot;
+      }
+    }
+  }
+  function handler(root, mutations) {
+    if (flags.dom) {
+      var mx = mutations[0];
+      if (mx && mx.type === "childList" && mx.addedNodes) {
+        if (mx.addedNodes) {
+          var d = mx.addedNodes[0];
+          while (d && d !== document && !d.host) {
+            d = d.parentNode;
+          }
+          var u = d && (d.URL || d._URL || d.host && d.host.localName) || "";
+          u = u.split("/?").shift().split("/").pop();
+        }
+      }
+      console.group("mutations (%d) [%s]", mutations.length, u || "");
+    }
+    var isAttached = inDocument(root);
+    mutations.forEach(function(mx) {
+      if (mx.type === "childList") {
+        forEach(mx.addedNodes, function(n) {
+          if (!n.localName) {
+            return;
+          }
+          addedNode(n, isAttached);
+        });
+        forEach(mx.removedNodes, function(n) {
+          if (!n.localName) {
+            return;
+          }
+          detachedNode(n);
+        });
+      }
+    });
+    flags.dom && console.groupEnd();
+  }
+  function takeRecords(node) {
+    node = window.wrap(node);
+    if (!node) {
+      node = window.wrap(document);
+    }
+    while (node.parentNode) {
+      node = node.parentNode;
+    }
+    var observer = node.__observer;
+    if (observer) {
+      handler(node, observer.takeRecords());
+      takeMutations();
+    }
+  }
+  var forEach = Array.prototype.forEach.call.bind(Array.prototype.forEach);
+  function observe(inRoot) {
+    if (inRoot.__observer) {
+      return;
+    }
+    var observer = new MutationObserver(handler.bind(this, inRoot));
+    observer.observe(inRoot, {
+      childList: true,
+      subtree: true
+    });
+    inRoot.__observer = observer;
+  }
+  function upgradeDocument(doc) {
+    doc = window.wrap(doc);
+    flags.dom && console.group("upgradeDocument: ", doc.baseURI.split("/").pop());
+    var isMainDocument = doc === window.wrap(document);
+    addedNode(doc, isMainDocument);
+    observe(doc);
+    flags.dom && console.groupEnd();
+  }
+  function upgradeDocumentTree(doc) {
+    forDocumentTree(doc, upgradeDocument);
+  }
+  var originalCreateShadowRoot = Element.prototype.createShadowRoot;
+  if (originalCreateShadowRoot) {
+    Element.prototype.createShadowRoot = function() {
+      var root = originalCreateShadowRoot.call(this);
+      window.CustomElements.watchShadow(this);
+      return root;
+    };
+  }
+  scope.watchShadow = watchShadow;
+  scope.upgradeDocumentTree = upgradeDocumentTree;
+  scope.upgradeDocument = upgradeDocument;
+  scope.upgradeSubtree = addedSubtree;
+  scope.upgradeAll = addedNode;
+  scope.attached = attached;
+  scope.takeRecords = takeRecords;
+});
+
+window.CustomElements.addModule(function(scope) {
+  var flags = scope.flags;
+  function upgrade(node, isAttached) {
+    if (node.localName === "template") {
+      if (window.HTMLTemplateElement && HTMLTemplateElement.decorate) {
+        HTMLTemplateElement.decorate(node);
+      }
+    }
+    if (!node.__upgraded__ && node.nodeType === Node.ELEMENT_NODE) {
+      var is = node.getAttribute("is");
+      var definition = scope.getRegisteredDefinition(node.localName) || scope.getRegisteredDefinition(is);
+      if (definition) {
+        if (is && definition.tag == node.localName || !is && !definition.extends) {
+          return upgradeWithDefinition(node, definition, isAttached);
+        }
+      }
+    }
+  }
+  function upgradeWithDefinition(element, definition, isAttached) {
+    flags.upgrade && console.group("upgrade:", element.localName);
+    if (definition.is) {
+      element.setAttribute("is", definition.is);
+    }
+    implementPrototype(element, definition);
+    element.__upgraded__ = true;
+    created(element);
+    if (isAttached) {
+      scope.attached(element);
+    }
+    scope.upgradeSubtree(element, isAttached);
+    flags.upgrade && console.groupEnd();
+    return element;
+  }
+  function implementPrototype(element, definition) {
+    if (Object.__proto__) {
+      element.__proto__ = definition.prototype;
+    } else {
+      customMixin(element, definition.prototype, definition.native);
+      element.__proto__ = definition.prototype;
+    }
+  }
+  function customMixin(inTarget, inSrc, inNative) {
+    var used = {};
+    var p = inSrc;
+    while (p !== inNative && p !== HTMLElement.prototype) {
+      var keys = Object.getOwnPropertyNames(p);
+      for (var i = 0, k; k = keys[i]; i++) {
+        if (!used[k]) {
+          Object.defineProperty(inTarget, k, Object.getOwnPropertyDescriptor(p, k));
+          used[k] = 1;
+        }
+      }
+      p = Object.getPrototypeOf(p);
+    }
+  }
+  function created(element) {
+    if (element.createdCallback) {
+      element.createdCallback();
+    }
+  }
+  scope.upgrade = upgrade;
+  scope.upgradeWithDefinition = upgradeWithDefinition;
+  scope.implementPrototype = implementPrototype;
+});
+
+window.CustomElements.addModule(function(scope) {
+  var isIE = scope.isIE;
+  var upgradeDocumentTree = scope.upgradeDocumentTree;
+  var upgradeAll = scope.upgradeAll;
+  var upgradeWithDefinition = scope.upgradeWithDefinition;
+  var implementPrototype = scope.implementPrototype;
+  var useNative = scope.useNative;
+  function register(name, options) {
+    var definition = options || {};
+    if (!name) {
+      throw new Error("document.registerElement: first argument `name` must not be empty");
+    }
+    if (name.indexOf("-") < 0) {
+      throw new Error("document.registerElement: first argument ('name') must contain a dash ('-'). Argument provided was '" + String(name) + "'.");
+    }
+    if (isReservedTag(name)) {
+      throw new Error("Failed to execute 'registerElement' on 'Document': Registration failed for type '" + String(name) + "'. The type name is invalid.");
+    }
+    if (getRegisteredDefinition(name)) {
+      throw new Error("DuplicateDefinitionError: a type with name '" + String(name) + "' is already registered");
+    }
+    if (!definition.prototype) {
+      definition.prototype = Object.create(HTMLElement.prototype);
+    }
+    definition.__name = name.toLowerCase();
+    if (definition.extends) {
+      definition.extends = definition.extends.toLowerCase();
+    }
+    definition.lifecycle = definition.lifecycle || {};
+    definition.ancestry = ancestry(definition.extends);
+    resolveTagName(definition);
+    resolvePrototypeChain(definition);
+    overrideAttributeApi(definition.prototype);
+    registerDefinition(definition.__name, definition);
+    definition.ctor = generateConstructor(definition);
+    definition.ctor.prototype = definition.prototype;
+    definition.prototype.constructor = definition.ctor;
+    if (scope.ready) {
+      upgradeDocumentTree(document);
+    }
+    return definition.ctor;
+  }
+  function overrideAttributeApi(prototype) {
+    if (prototype.setAttribute._polyfilled) {
+      return;
+    }
+    var setAttribute = prototype.setAttribute;
+    prototype.setAttribute = function(name, value) {
+      changeAttribute.call(this, name, value, setAttribute);
+    };
+    var removeAttribute = prototype.removeAttribute;
+    prototype.removeAttribute = function(name) {
+      changeAttribute.call(this, name, null, removeAttribute);
+    };
+    prototype.setAttribute._polyfilled = true;
+  }
+  function changeAttribute(name, value, operation) {
+    name = name.toLowerCase();
+    var oldValue = this.getAttribute(name);
+    operation.apply(this, arguments);
+    var newValue = this.getAttribute(name);
+    if (this.attributeChangedCallback && newValue !== oldValue) {
+      this.attributeChangedCallback(name, oldValue, newValue);
+    }
+  }
+  function isReservedTag(name) {
+    for (var i = 0; i < reservedTagList.length; i++) {
+      if (name === reservedTagList[i]) {
+        return true;
+      }
+    }
+  }
+  var reservedTagList = [ "annotation-xml", "color-profile", "font-face", "font-face-src", "font-face-uri", "font-face-format", "font-face-name", "missing-glyph" ];
+  function ancestry(extnds) {
+    var extendee = getRegisteredDefinition(extnds);
+    if (extendee) {
+      return ancestry(extendee.extends).concat([ extendee ]);
+    }
+    return [];
+  }
+  function resolveTagName(definition) {
+    var baseTag = definition.extends;
+    for (var i = 0, a; a = definition.ancestry[i]; i++) {
+      baseTag = a.is && a.tag;
+    }
+    definition.tag = baseTag || definition.__name;
+    if (baseTag) {
+      definition.is = definition.__name;
+    }
+  }
+  function resolvePrototypeChain(definition) {
+    if (!Object.__proto__) {
+      var nativePrototype = HTMLElement.prototype;
+      if (definition.is) {
+        var inst = document.createElement(definition.tag);
+        nativePrototype = Object.getPrototypeOf(inst);
+      }
+      var proto = definition.prototype, ancestor;
+      var foundPrototype = false;
+      while (proto) {
+        if (proto == nativePrototype) {
+          foundPrototype = true;
+        }
+        ancestor = Object.getPrototypeOf(proto);
+        if (ancestor) {
+          proto.__proto__ = ancestor;
+        }
+        proto = ancestor;
+      }
+      if (!foundPrototype) {
+        console.warn(definition.tag + " prototype not found in prototype chain for " + definition.is);
+      }
+      definition.native = nativePrototype;
+    }
+  }
+  function instantiate(definition) {
+    return upgradeWithDefinition(domCreateElement(definition.tag), definition);
+  }
+  var registry = {};
+  function getRegisteredDefinition(name) {
+    if (name) {
+      return registry[name.toLowerCase()];
+    }
+  }
+  function registerDefinition(name, definition) {
+    registry[name] = definition;
+  }
+  function generateConstructor(definition) {
+    return function() {
+      return instantiate(definition);
+    };
+  }
+  var HTML_NAMESPACE = "http://www.w3.org/1999/xhtml";
+  function createElementNS(namespace, tag, typeExtension) {
+    if (namespace === HTML_NAMESPACE) {
+      return createElement(tag, typeExtension);
+    } else {
+      return domCreateElementNS(namespace, tag);
+    }
+  }
+  function createElement(tag, typeExtension) {
+    if (tag) {
+      tag = tag.toLowerCase();
+    }
+    if (typeExtension) {
+      typeExtension = typeExtension.toLowerCase();
+    }
+    var definition = getRegisteredDefinition(typeExtension || tag);
+    if (definition) {
+      if (tag == definition.tag && typeExtension == definition.is) {
+        return new definition.ctor();
+      }
+      if (!typeExtension && !definition.is) {
+        return new definition.ctor();
+      }
+    }
+    var element;
+    if (typeExtension) {
+      element = createElement(tag);
+      element.setAttribute("is", typeExtension);
+      return element;
+    }
+    element = domCreateElement(tag);
+    if (tag.indexOf("-") >= 0) {
+      implementPrototype(element, HTMLElement);
+    }
+    return element;
+  }
+  var domCreateElement = document.createElement.bind(document);
+  var domCreateElementNS = document.createElementNS.bind(document);
+  var isInstance;
+  if (!Object.__proto__ && !useNative) {
+    isInstance = function(obj, ctor) {
+      if (obj instanceof ctor) {
+        return true;
+      }
+      var p = obj;
+      while (p) {
+        if (p === ctor.prototype) {
+          return true;
+        }
+        p = p.__proto__;
+      }
+      return false;
+    };
+  } else {
+    isInstance = function(obj, base) {
+      return obj instanceof base;
+    };
+  }
+  function wrapDomMethodToForceUpgrade(obj, methodName) {
+    var orig = obj[methodName];
+    obj[methodName] = function() {
+      var n = orig.apply(this, arguments);
+      upgradeAll(n);
+      return n;
+    };
+  }
+  wrapDomMethodToForceUpgrade(Node.prototype, "cloneNode");
+  wrapDomMethodToForceUpgrade(document, "importNode");
+  document.registerElement = register;
+  document.createElement = createElement;
+  document.createElementNS = createElementNS;
+  scope.registry = registry;
+  scope.instanceof = isInstance;
+  scope.reservedTagList = reservedTagList;
+  scope.getRegisteredDefinition = getRegisteredDefinition;
+  document.register = document.registerElement;
+});
+
+(function(scope) {
+  var useNative = scope.useNative;
+  var initializeModules = scope.initializeModules;
+  var isIE = scope.isIE;
+  if (useNative) {
+    var nop = function() {};
+    scope.watchShadow = nop;
+    scope.upgrade = nop;
+    scope.upgradeAll = nop;
+    scope.upgradeDocumentTree = nop;
+    scope.upgradeSubtree = nop;
+    scope.takeRecords = nop;
+    scope.instanceof = function(obj, base) {
+      return obj instanceof base;
+    };
+  } else {
+    initializeModules();
+  }
+  var upgradeDocumentTree = scope.upgradeDocumentTree;
+  var upgradeDocument = scope.upgradeDocument;
+  if (!window.wrap) {
+    if (window.ShadowDOMPolyfill) {
+      window.wrap = window.ShadowDOMPolyfill.wrapIfNeeded;
+      window.unwrap = window.ShadowDOMPolyfill.unwrapIfNeeded;
+    } else {
+      window.wrap = window.unwrap = function(node) {
+        return node;
+      };
+    }
+  }
+  if (window.HTMLImports) {
+    window.HTMLImports.__importsParsingHook = function(elt) {
+      if (elt.import) {
+        upgradeDocument(wrap(elt.import));
+      }
+    };
+  }
+  function bootstrap() {
+    upgradeDocumentTree(window.wrap(document));
+    window.CustomElements.ready = true;
+    var requestAnimationFrame = window.requestAnimationFrame || function(f) {
+      setTimeout(f, 16);
+    };
+    requestAnimationFrame(function() {
+      setTimeout(function() {
+        window.CustomElements.readyTime = Date.now();
+        if (window.HTMLImports) {
+          window.CustomElements.elapsed = window.CustomElements.readyTime - window.HTMLImports.readyTime;
+        }
+        document.dispatchEvent(new CustomEvent("WebComponentsReady", {
+          bubbles: true
+        }));
+      });
+    });
+  }
+  if (document.readyState === "complete" || scope.flags.eager) {
+    bootstrap();
+  } else if (document.readyState === "interactive" && !window.attachEvent && (!window.HTMLImports || window.HTMLImports.ready)) {
+    bootstrap();
+  } else {
+    var loadEvent = window.HTMLImports && !window.HTMLImports.ready ? "HTMLImportsLoaded" : "DOMContentLoaded";
+    window.addEventListener(loadEvent, bootstrap);
+  }
+})(window.CustomElements);
+
+(function(scope) {
+  if (!Function.prototype.bind) {
+    Function.prototype.bind = function(scope) {
+      var self = this;
+      var args = Array.prototype.slice.call(arguments, 1);
+      return function() {
+        var args2 = args.slice();
+        args2.push.apply(args2, arguments);
+        return self.apply(scope, args2);
+      };
+    };
+  }
+})(window.WebComponents);
+
+(function(scope) {
+  var style = document.createElement("style");
+  style.textContent = "" + "body {" + "transition: opacity ease-in 0.2s;" + " } \n" + "body[unresolved] {" + "opacity: 0; display: block; overflow: hidden; position: relative;" + " } \n";
+  var head = document.querySelector("head");
+  head.insertBefore(style, head.firstChild);
+})(window.WebComponents);
+
+(function(scope) {
+  window.Platform = scope;
+})(window.WebComponents);
\ No newline at end of file
diff --git a/dashboard-ui/bower_components/webcomponentsjs/webcomponents.min.js b/dashboard-ui/bower_components/webcomponentsjs/webcomponents.min.js
new file mode 100644
index 0000000000..a426238aaf
--- /dev/null
+++ b/dashboard-ui/bower_components/webcomponentsjs/webcomponents.min.js
@@ -0,0 +1,14 @@
+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+// @version 0.7.22
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diff --git a/dashboard-ui/scripts/site.js b/dashboard-ui/scripts/site.js
index a3095f4d31..2ff26b78f8 100644
--- a/dashboard-ui/scripts/site.js
+++ b/dashboard-ui/scripts/site.js
@@ -1355,12 +1355,6 @@ var AppInfo = {};
         define("formDialogStyle", ['css!' + embyWebComponentsBowerPath + "/formdialog"], returnFirstDependency);
         define("indicators", [embyWebComponentsBowerPath + "/indicators/indicators"], returnFirstDependency);
 
-        if (!('registerElement' in document)) {
-            define("registerElement", [bowerPath + '/document-register-element/build/document-register-element']);
-        } else {
-            define("registerElement", []);
-        }
-
         if (Dashboard.isRunningInCordova()) {
             define('registrationservices', ['cordova/registrationservices'], returnFirstDependency);
 
@@ -1421,13 +1415,6 @@ var AppInfo = {};
             return dialoghelper;
         });
 
-        if (!('registerElement' in document)) {
-            //define("registerElement", ['bower_components/webcomponentsjs/CustomElements.min']);
-            define("registerElement", ['webcomponentsjs']);
-        } else {
-            define("registerElement", []);
-        }
-
         // alias
         define("historyManager", [], function () {
             return Emby.Page;
@@ -1626,6 +1613,16 @@ var AppInfo = {};
 
         var embyWebComponentsBowerPath = bowerPath + '/emby-webcomponents';
 
+        if (!('registerElement' in document)) {
+            if (browser.msie) {
+                define("registerElement", [bowerPath + '/webcomponentsjs/webcomponents-lite.min.js']);
+            } else {
+                define("registerElement", [bowerPath + '/document-register-element/build/document-register-element']);
+            }
+        } else {
+            define("registerElement", []);
+        }
+
         if (Dashboard.isRunningInCordova() && browser.safari) {
             define("imageFetcher", ['cordova/ios/imagestore'], returnFirstDependency);
         } else {