DevTools: Preserve tab selection in NetworkItemView

Source/devtools/front_end/network/NetworkItemView.js

 /*
  * Copyright (C) 2010 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 73 matching lines @@
     },
 
     /**
      * @param {string=} tabId
      */
     _selectTab: function(tabId)
     {
         if (!tabId)
             tabId = WebInspector.settings.resourceViewTab.get();
 
-        if (!this.selectTab(tabId)) {
-            this._isInFallbackSelection = true;
+        if (!this.selectTab(tabId))
             this.selectTab("headers");
-            delete this._isInFallbackSelection;
-        }
     },
 
     _tabSelected: function(event)
     {
         if (!event.data.isUserGesture)
             return;
 
         WebInspector.settings.resourceViewTab.set(event.data.tabId);
 
         WebInspector.notifications.dispatchEventToListeners(WebInspector.UserMetrics.UserAction, {
@@ skipping 70 matching lines @@
         this.request.requestContent(callback.bind(this));
     },
 
     contentLoaded: function()
     {
         // Should be implemented by subclasses.
     },
 
     __proto__: WebInspector.RequestView.prototype
 }