[DevTools] Improve context and target naming.

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 386 matching lines @@
     function framePath(frame) {
       var currentFrame = frame;
       var parents = [];
       while (currentFrame) {
         parents.push(currentFrame);
         currentFrame = currentFrame.parentFrame;
       }
       return parents.reverse();
     }
 
+    if (a.target() !== b.target())
+      return SDK.ExecutionContext.comparator(a, b);
+
     var framesA = a.frameId ? framePath(this.frameForId(a.frameId)) : [];
     var framesB = b.frameId ? framePath(this.frameForId(b.frameId)) : [];
     var frameA;
     var frameB;
     for (var i = 0;; i++) {
       if (!framesA[i] || !framesB[i] || (framesA[i] !== framesB[i])) {
         frameA = framesA[i];
         frameB = framesB[i];
         break;
       }
@@ skipping 299 matching lines @@
       if (this._childFrames[i]._callForFrameResources(callback))
         return true;
     }
     return false;
   }
 
   /**
    * @return {string}
    */
   displayName() {
-    if (!this._parentFrame)
+    if (!this._parentFrame && !this._model.target().parentTarget())
       return Common.UIString('top');
     var subtitle = new Common.ParsedURL(this._url).displayName;
     if (subtitle) {
       if (!this._name)
         return subtitle;
       return this._name + ' (' + subtitle + ')';
     }
     return Common.UIString('<iframe>');
   }
 };
@@ skipping 146 matching lines @@
     this._resourceTreeModel.dispatchEventToListeners(SDK.ResourceTreeModel.Events.InterstitialHidden);
   }
 
   /**
    * @override
    */
   navigationRequested() {
     // Frontend is not interested in when navigations are requested.
   }
 };