[Devtools] Restructure network nodes for friendlier products/grouping

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 41 matching lines @@
     this._fetchResourceTree();
 
     target.registerPageDispatcher(new SDK.PageDispatcher(this));
 
     this._pendingReloadOptions = null;
     this._reloadSuspensionCount = 0;
     this._isInterstitialShowing = false;
   }
 
   /**
+   * @param {!SDK.NetworkRequest} request
+   * @return {?SDK.ResourceTreeFrame}
+   */
+  static frameForRequest(request) {
+    var resourceTreeModel = request.networkManager().target().model(SDK.ResourceTreeModel);
+    if (!resourceTreeModel)
+      return null;
+    return resourceTreeModel.frameForId(request.frameId);
+  }
+
+  /**
    * @return {!Array.<!SDK.ResourceTreeFrame>}
    */
   static frames() {
     var result = [];
     for (var resourceTreeModel of SDK.targetManager.models(SDK.ResourceTreeModel))
       result = result.concat(resourceTreeModel._frames.valuesArray());
     return result;
   }
 
   /**
@@ skipping 811 matching lines @@
     this._resourceTreeModel.dispatchEventToListeners(SDK.ResourceTreeModel.Events.InterstitialHidden);
   }
 
   /**
    * @override
    */
   navigationRequested() {
     // Frontend is not interested in when navigations are requested.
   }
 };