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

third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js

 /*
  * Copyright (C) 2012 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 439 matching lines @@
     project: function(projectId)
     {
         return this._projects.get(projectId) || null;
     },
 
     /**
      * @return {!Array.<!WebInspector.Project>}
      */
     projects: function()
     {
-        return Array.from(this._projects.values());
+        return this._projects.valuesArray();
     },
 
     /**
      * @param {string} type
      * @return {!Array.<!WebInspector.Project>}
      */
     projectsForType: function(type)
     {
         function filterByType(project)
         {
@@ skipping 29 matching lines @@
         return this._hasResourceContentTrackingExtensions;
     },
 
     __proto__: WebInspector.Object.prototype
 }
 
 /**
  * @type {!WebInspector.Workspace}
  */
 WebInspector.workspace;