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

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

 /*
  * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * 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.
@@ skipping 1263 matching lines @@
     {
         this._dispatchWhenDocumentAvailable(this._agent.pushNodeByPathToFrontend.bind(this._agent, path), callback);
     },
 
     /**
      * @param {!Set<number>} backendNodeIds
      * @param {function(?Map<number, ?WebInspector.DOMNode>)} callback
      */
     pushNodesByBackendIdsToFrontend: function(backendNodeIds, callback)
     {
-        var backendNodeIdsArray = Array.from(backendNodeIds.values());
+        var backendNodeIdsArray = backendNodeIds.valuesArray();
         /**
          * @param {?Array<!DOMAgent.NodeId>} nodeIds
          * @this {!WebInspector.DOMModel}
          */
         function mycallback(nodeIds)
         {
             if (!nodeIds) {
                 callback(null);
                 return;
             }
@@ skipping 982 matching lines @@
 }
 
 /**
  * @param {!WebInspector.Target} target
  * @return {?WebInspector.DOMModel}
  */
 WebInspector.DOMModel.fromTarget = function(target)
 {
     return /** @type {?WebInspector.DOMModel} */ (target.model(WebInspector.DOMModel));
 }