DevTools: add CSS.FontsUpdated event to signify that WebFont has loaded.

third_party/WebKit/Source/devtools/front_end/sdk/CSSModel.js

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 44 matching lines @@
 
     /** @type {!Map<string, !WebInspector.SourceMap>} */
     this._sourceMapByURL = new Map();
     /** @type {!Multimap<string, !WebInspector.CSSStyleSheetHeader>} */
     this._sourceMapURLToHeaders = new Multimap();
     WebInspector.moduleSetting("cssSourceMapsEnabled").addChangeListener(this._toggleSourceMapSupport, this);
 }
 
 WebInspector.CSSModel.Events = {
     LayoutEditorChange: "LayoutEditorChange",
+    FontsUpdated: "FontsUpdated",
     MediaQueryResultChanged: "MediaQueryResultChanged",
     ModelWasEnabled: "ModelWasEnabled",
     PseudoStateForced: "PseudoStateForced",
     StyleSheetAdded: "StyleSheetAdded",
     StyleSheetChanged: "StyleSheetChanged",
     StyleSheetRemoved: "StyleSheetRemoved",
     SourceMapAttached: "SourceMapAttached",
     SourceMapDetached: "SourceMapDetached",
     SourceMapChanged: "SourceMapChanged"
 }
@@ skipping 676 matching lines @@
         this._agent.createStyleSheet(frameId, innerCallback.bind(this))
             .catchException(null)
             .then(userCallback)
     },
 
     mediaQueryResultChanged: function()
     {
         this.dispatchEventToListeners(WebInspector.CSSModel.Events.MediaQueryResultChanged);
     },
 
+    fontsUpdated: function()
+    {
+        this.dispatchEventToListeners(WebInspector.CSSModel.Events.FontsUpdated);
+    },
+
     /**
      * @param {!CSSAgent.StyleSheetId} id
      * @return {?WebInspector.CSSStyleSheetHeader}
      */
     styleSheetHeaderForId: function(id)
     {
         return this._styleSheetIdToHeader.get(id) || null;
     },
 
     /**
@@ skipping 322 matching lines @@
     /**
      * @override
      */
     mediaQueryResultChanged: function()
     {
         this._cssModel.mediaQueryResultChanged();
     },
 
     /**
      * @override
+     */
+    fontsUpdated: function()
+    {
+        this._cssModel.fontsUpdated();
+    },
+
+    /**
+     * @override
      * @param {!CSSAgent.StyleSheetId} styleSheetId
      */
     styleSheetChanged: function(styleSheetId)
     {
         this._cssModel._fireStyleSheetChanged(styleSheetId);
     },
 
     /**
      * @override
      * @param {!CSSAgent.CSSStyleSheetHeader} header
@@ skipping 95 matching lines @@
 /**
  * @constructor
  * @param {?WebInspector.CSSStyleDeclaration} inlineStyle
  * @param {?WebInspector.CSSStyleDeclaration} attributesStyle
  */
 WebInspector.CSSModel.InlineStyleResult = function(inlineStyle, attributesStyle)
 {
     this.inlineStyle = inlineStyle;
     this.attributesStyle = attributesStyle;
 }