[third_party] add polymer 1.2.3

polymer_1.2.3/bower_components/webcomponentsjs/HTMLImports.js

Index: polymer_1.2.3/bower_components/webcomponentsjs/HTMLImports.js
diff --git a/polymer_1.0.4/bower_components/webcomponentsjs/HTMLImports.js b/polymer_1.2.3/bower_components/webcomponentsjs/HTMLImports.js
similarity index 91%
copy from polymer_1.0.4/bower_components/webcomponentsjs/HTMLImports.js
copy to polymer_1.2.3/bower_components/webcomponentsjs/HTMLImports.js
index e9f03ecf81873552c6d8ad81c86950c317999743..53859cc83e6572ebf63eabf1f0134cf8f8a23711 100644
--- a/polymer_1.0.4/bower_components/webcomponentsjs/HTMLImports.js
+++ b/polymer_1.2.3/bower_components/webcomponentsjs/HTMLImports.js
@@ -7,7 +7,7 @@
  * 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 0.7.5
+// @version 0.7.20
 if (typeof WeakMap === "undefined") {
   (function() {
     var defineProperty = Object.defineProperty;
@@ -45,6 +45,9 @@ if (typeof WeakMap === "undefined") {
 }
 
 (function(global) {
+  if (global.JsMutationObserver) {
+    return;
+  }
   var registrationsTable = new WeakMap();
   var setImmediate;
   if (/Trident|Edge/.test(navigator.userAgent)) {
@@ -340,8 +343,83 @@ if (typeof WeakMap === "undefined") {
     }
   };
   global.JsMutationObserver = JsMutationObserver;
-  if (!global.MutationObserver) global.MutationObserver = JsMutationObserver;
-})(this);
+  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: {}
@@ -418,6 +496,7 @@ window.HTMLImports = window.HTMLImports || {
     if (importCount) {
       for (var i = 0, imp; i < importCount && (imp = imports[i]); i++) {
         if (isImportLoaded(imp)) {
+          newImports.push(this);
           parsedCount++;
           checkDone();
         } else {
@@ -544,10 +623,14 @@ window.HTMLImports.addModule(function(scope) {
       request.open("GET", url, xhr.async);
       request.addEventListener("readystatechange", function(e) {
         if (request.readyState === 4) {
-          var locationHeader = request.getResponseHeader("Location");
           var redirectedUrl = null;
-          if (locationHeader) {
-            var redirectedUrl = locationHeader.substr(0, 1) === "/" ? location.origin + locationHeader : locationHeader;
+          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);
         }
@@ -697,7 +780,7 @@ window.HTMLImports.addModule(function(scope) {
   var IMPORT_SELECTOR = "link[rel=" + IMPORT_LINK_TYPE + "]";
   var importParser = {
     documentSelectors: IMPORT_SELECTOR,
-    importsSelectors: [ IMPORT_SELECTOR, "link[rel=stylesheet]", "style", "script:not([type])", 'script[type="application/javascript"]', 'script[type="text/javascript"]' ].join(","),
+    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",
@@ -748,6 +831,7 @@ window.HTMLImports.addModule(function(scope) {
       }
     },
     parseImport: function(elt) {
+      elt.import = elt.__doc;
       if (window.HTMLImports.__importsParsingHook) {
         window.HTMLImports.__importsParsingHook(elt);
       }
@@ -810,6 +894,8 @@ window.HTMLImports.addModule(function(scope) {
     trackElement: function(elt, callback) {
       var self = this;
       var done = function(e) {
+        elt.removeEventListener("load", done);
+        elt.removeEventListener("error", done);
         if (callback) {
           callback(e);
         }
@@ -847,7 +933,9 @@ window.HTMLImports.addModule(function(scope) {
       script.src = scriptElt.src ? scriptElt.src : generateScriptDataUrl(scriptElt);
       scope.currentScript = scriptElt;
       this.trackElement(script, function(e) {
-        script.parentNode.removeChild(script);
+        if (script.parentNode) {
+          script.parentNode.removeChild(script);
+        }
         scope.currentScript = null;
       });
       this.addElementToDocument(script);
@@ -863,7 +951,7 @@ window.HTMLImports.addModule(function(scope) {
         for (var i = 0, l = nodes.length, p = 0, n; i < l && (n = nodes[i]); i++) {
           if (!this.isParsed(n)) {
             if (this.hasResource(n)) {
-              return nodeIsImport(n) ? this.nextToParseInDoc(n.import, n) : n;
+              return nodeIsImport(n) ? this.nextToParseInDoc(n.__doc, n) : n;
             } else {
               return;
             }
@@ -886,7 +974,7 @@ window.HTMLImports.addModule(function(scope) {
       return this.dynamicElements.indexOf(elt) >= 0;
     },
     hasResource: function(node) {
-      if (nodeIsImport(node) && node.import === undefined) {
+      if (nodeIsImport(node) && node.__doc === undefined) {
         return false;
       }
       return true;
@@ -960,7 +1048,7 @@ window.HTMLImports.addModule(function(scope) {
           }
           this.documents[url] = doc;
         }
-        elt.import = doc;
+        elt.__doc = doc;
       }
       parser.parseNext();
     },
@@ -1056,22 +1144,6 @@ window.HTMLImports.addModule(function(scope) {
   if (scope.useNative) {
     return;
   }
-  if (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);
-      e.preventDefault = function() {
-        Object.defineProperty(this, "defaultPrevented", {
-          get: function() {
-            return true;
-          }
-        });
-      };
-      return e;
-    };
-    window.CustomEvent.prototype = window.Event.prototype;
-  }
   initializeModules();
   var rootDocument = scope.rootDocument;
   function bootstrap() {