[DevTools] Extract part of DevTools into inspector app.

Source/devtools/front_end/main/AdvancedApp.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @extends {WebInspector.App}
  */
 WebInspector.AdvancedApp = function()
 {
@@ skipping 68 matching lines @@
      * @param {!WebInspector.Event} event
      */
     _openToolboxWindow: function(event)
     {
         if (/** @type {string} */ (event.data.to) !== WebInspector.DockController.State.Undocked)
             return;
 
         if (this._toolboxWindow)
             return;
 
-        var url = window.location.href.replace("devtools.html", "toolbox.html");
+        var url = window.location.href.replace("inspector.html", "toolbox.html");
         this._toolboxWindow = window.open(url, undefined);
     },
 
     /**
      * @param {!Document} toolboxDocument
      */
     toolboxLoaded: function(toolboxDocument)
     {
         WebInspector.initializeUIUtils(toolboxDocument.defaultView);
         WebInspector.installComponentRootStyles(/** @type {!Element} */ (toolboxDocument.body));
@@ skipping 193 matching lines @@
     handleAction: function()
     {
         if (!WebInspector.overridesSupport.responsiveDesignAvailable())
             return false;
         if (!(WebInspector.app instanceof WebInspector.AdvancedApp))
             return false;
         WebInspector.app._toggleEmulationEnabled();
         return true;
     }
 }