[DevTools] Remove Object.values and Object.isEmpty from utilities.js

third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js

 /*
  * Copyright (C) 2011 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 459 matching lines @@
      */
     _makeResource: function(contentProvider)
     {
         return {
             url: contentProvider.contentURL(),
             type: contentProvider.contentType().name()
         };
     },
 
     /**
-     * @return {!Array.<!WebInspector.ContentProvider>}
+     * @return {!Array<!WebInspector.ContentProvider>}
      */
     _onGetPageResources: function()
     {
-        var resources = {};
+        /** @type {!Map<string, !WebInspector.ContentProvider>} */
+        var resources = new Map();
 
         /**
          * @this {WebInspector.ExtensionServer}
          */
         function pushResourceData(contentProvider)
         {
-            if (!resources[contentProvider.contentURL()])
-                resources[contentProvider.contentURL()] = this._makeResource(contentProvider);
+            if (!resources.has(contentProvider.contentURL()))
+                resources.set(contentProvider.contentURL(), this._makeResource(contentProvider));
         }
         var uiSourceCodes = WebInspector.workspace.uiSourceCodesForProjectType(WebInspector.projectTypes.Network);
         uiSourceCodes = uiSourceCodes.concat(WebInspector.workspace.uiSourceCodesForProjectType(WebInspector.projectTypes.ContentScripts));
         uiSourceCodes.forEach(pushResourceData.bind(this));
         for (var target of WebInspector.targetManager.targets())
             target.resourceTreeModel.forAllResources(pushResourceData.bind(this));
-        return Object.values(resources);
+        return resources.valuesArray();
     },
 
     /**
      * @param {!WebInspector.ContentProvider} contentProvider
      * @param {!Object} message
      * @param {!MessagePort} port
      */
     _getResourceContent: function(contentProvider, message, port)
     {
         /**
@@ skipping 571 matching lines @@
 /**
  * @typedef {{code: string, description: string, details: !Array.<*>}}
  */
 WebInspector.ExtensionStatus.Record;
 
 WebInspector.extensionAPI = {};
 defineCommonExtensionSymbols(WebInspector.extensionAPI);
 
 /** @type {!WebInspector.ExtensionServer} */
 WebInspector.extensionServer;