[Devtools] Added frame grouping to network panel

third_party/WebKit/Source/devtools/front_end/sdk/ResourceTreeModel.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 564 matching lines @@
   }
 
   /**
    * @return {!Array.<!SDK.ResourceTreeFrame>}
    */
   get childFrames() {
     return this._childFrames;
   }
 
   /**
+   * @return {?Array<!Protocol.Runtime.CallFrame>}
+   */
+  creationStackTrace() {
+    return this._creationStackTrace;
+  }
+
+  /**
    * @return {boolean}
    */
   isMainFrame() {
     return !this._parentFrame;
   }
 
   /**
    * @param {!Protocol.Page.Frame} framePayload
    */
   _navigate(framePayload) {
@@ skipping 270 matching lines @@
     this._resourceTreeModel.dispatchEventToListeners(SDK.ResourceTreeModel.Events.InterstitialHidden);
   }
 
   /**
    * @override
    */
   navigationRequested() {
     // Frontend is not interested in when navigations are requested.
   }
 };