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

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

 /*
  * Copyright (C) 2013 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 508 matching lines @@
         {
             var errorMessage = WebInspector.IsolatedFileSystem.errorMessage(error);
             console.error(errorMessage + " when requesting entry '" + path + "'");
             callback([]);
         }
     },
 
     _saveExcludedFolders: function()
     {
         var settingValue = this._excludedFoldersSetting.get();
-        settingValue[this._path] = Array.from(this._excludedFolders.values());
+        settingValue[this._path] = this._excludedFolders.valuesArray();
         this._excludedFoldersSetting.set(settingValue);
     },
 
     /**
      * @param {string} path
      */
     addExcludedFolder: function(path)
     {
         this._excludedFolders.add(path);
         this._saveExcludedFolders();
@@ skipping 70 matching lines @@
     /**
      * @param {!WebInspector.Progress} progress
      */
     indexContent: function(progress)
     {
         progress.setTotalWork(1);
         var requestId = this._manager.registerProgress(progress);
         InspectorFrontendHost.indexPath(requestId, this._embedderPath);
     }
 }