Update charted to 0.4.8 and roll

packages/web_components/lib/webcomponents.js

Index: packages/web_components/lib/webcomponents.js
diff --git a/packages/web_components/lib/webcomponents.js b/packages/web_components/lib/webcomponents.js
old mode 100644
new mode 100755
index 8e9feb24c2ae1323c05ac9b2175988e786bdff94..d30e911294c4fb917c883b56f7700c79449033d9
--- a/packages/web_components/lib/webcomponents.js
+++ b/packages/web_components/lib/webcomponents.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 0.7.21
+// @version 0.7.23
 (function() {
   window.WebComponents = window.WebComponents || {
     flags: {}
@@ -211,6 +211,9 @@ if (WebComponents.flags.shadow) {
     }
     function getDescriptor(source, name) {
       try {
+        if (source === window && name === "showModalDialog") {
+          return dummyDescriptor;
+        }
         return Object.getOwnPropertyDescriptor(source, name);
       } catch (ex) {
         return dummyDescriptor;
@@ -4656,7 +4659,7 @@ if (WebComponents.flags.shadow) {
         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.scopeSelector(rule.selectorText, scopeSelector, this.strictStyling) + " {\n\t";
               cssText += this.propertiesFromRule(rule) + "\n}\n\n";
             } else if (rule.type === CSSRule.MEDIA_RULE) {
               cssText += "@media " + rule.media.mediaText + " {\n";
@@ -4775,7 +4778,7 @@ if (WebComponents.flags.shadow) {
       }
     };
     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]*)?$", colonHostRe = /\:host/gim, colonHostContextRe = /\:host-context/gim, polyfillHostNoCombinator = polyfillHost + "-no-combinator", polyfillHostRe = new RegExp(polyfillHost, "gim"), polyfillHostContextRe = new RegExp(polyfillHostContext, "gim"), shadowDOMSelectorsRe = [ />>>/g, /::shadow/g, /::content/g, /\/deep\//g, /\/shadow\//g, /\/shadow-deep\//g, /\^\^/g, /\^/g ];
+    var cssColonHostRe = new RegExp("(" + polyfillHost + parenSuffix, "gim"), cssColonHostContextRe = new RegExp("(" + polyfillHostContext + parenSuffix, "gim"), selectorReSuffix = "([>\\s~+[.,{:][\\s\\S]*)?$", 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) {
@@ -5055,7 +5058,7 @@ if (WebComponents.flags.shadow) {
           this._fragment = "#";
           state = "fragment";
         } else {
-          if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+          if (EOF != c && "\t" != c && "\n" != c && "\r" != c) {
             this._schemeData += percentEscape(c);
           }
         }
@@ -5186,7 +5189,7 @@ if (WebComponents.flags.shadow) {
           seenAt = true;
           for (var i = 0; i < buffer.length; i++) {
             var cp = buffer[i];
-            if ("	" == cp || "\n" == cp || "\r" == cp) {
+            if ("\t" == cp || "\n" == cp || "\r" == cp) {
               err("Invalid whitespace in authority.");
               continue;
             }
@@ -5220,7 +5223,7 @@ if (WebComponents.flags.shadow) {
             state = "relative path start";
           }
           continue;
-        } else if ("	" == c || "\n" == c || "\r" == c) {
+        } else if ("\t" == c || "\n" == c || "\r" == c) {
           err("Invalid whitespace in file host.");
         } else {
           buffer += c;
@@ -5244,7 +5247,7 @@ if (WebComponents.flags.shadow) {
             break loop;
           }
           continue;
-        } else if ("	" != c && "\n" != c && "\r" != c) {
+        } else if ("\t" != c && "\n" != c && "\r" != c) {
           if ("[" == c) {
             seenBracket = true;
           } else if ("]" == c) {
@@ -5272,7 +5275,7 @@ if (WebComponents.flags.shadow) {
           }
           state = "relative path start";
           continue;
-        } else if ("	" == c || "\n" == c || "\r" == c) {
+        } else if ("\t" == c || "\n" == c || "\r" == c) {
           err("Invalid code point in port: " + c);
         } else {
           invalid.call(this);
@@ -5317,7 +5320,7 @@ if (WebComponents.flags.shadow) {
             this._fragment = "#";
             state = "fragment";
           }
-        } else if ("	" != c && "\n" != c && "\r" != c) {
+        } else if ("\t" != c && "\n" != c && "\r" != c) {
           buffer += percentEscape(c);
         }
         break;
@@ -5326,13 +5329,13 @@ if (WebComponents.flags.shadow) {
         if (!stateOverride && "#" == c) {
           this._fragment = "#";
           state = "fragment";
-        } else if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+        } else if (EOF != c && "\t" != c && "\n" != c && "\r" != c) {
           this._query += percentEscapeQuery(c);
         }
         break;
 
        case "fragment":
-        if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+        if (EOF != c && "\t" != c && "\n" != c && "\r" != c) {
           this._fragment += c;
         }
         break;
@@ -5768,7 +5771,7 @@ if (WebComponents.flags.shadow) {
 
 (function(scope) {
   "use strict";
-  if (!window.performance) {
+  if (!(window.performance && window.performance.now)) {
     var start = Date.now();
     window.performance = {
       now: function() {
@@ -6930,6 +6933,9 @@ window.CustomElements.addModule(function(scope) {
       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);
@@ -7102,21 +7108,6 @@ window.CustomElements.addModule(function(scope) {
   }
   wrapDomMethodToForceUpgrade(Node.prototype, "cloneNode");
   wrapDomMethodToForceUpgrade(document, "importNode");
-  if (isIE) {
-    (function() {
-      var importNode = document.importNode;
-      document.importNode = function() {
-        var n = importNode.apply(document, arguments);
-        if (n.nodeType == n.DOCUMENT_FRAGMENT_NODE) {
-          var f = document.createDocumentFragment();
-          f.appendChild(n);
-          return f;
-        } else {
-          return n;
-        }
-      };
-    })();
-  }
   document.registerElement = register;
   document.createElement = createElement;
   document.createElementNS = createElementNS;