Revert of [DevTools] Inject element into toolbox window, do not load modules there.

Source/devtools/front_end/toolbox_bootstrap/Toolbox.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
  */
 WebInspector.Toolbox = function()
 {
     if (!window.opener)
         return;
 
-    var delegate = /** @type {!WebInspector.ToolboxDelegate} */ (window.opener.WebInspector["app"]);
-
-    WebInspector.zoomManager = new WebInspector.ZoomManager(delegate.inspectorFrontendHost());
+    WebInspector.zoomManager = new WebInspector.ZoomManager(window.opener.InspectorFrontendHost);
+    WebInspector.overridesSupport = window.opener.WebInspector.overridesSupport;
+    WebInspector.settings = window.opener.WebInspector.settings;
+    WebInspector.experimentsSettings = window.opener.WebInspector.experimentsSettings;
+    WebInspector.targetManager = window.opener.WebInspector.targetManager;
+    WebInspector.workspace = window.opener.WebInspector.workspace;
+    WebInspector.cssWorkspaceBinding = window.opener.WebInspector.cssWorkspaceBinding;
+    WebInspector.Revealer = window.opener.WebInspector.Revealer;
+    WebInspector.ContextMenu = window.opener.WebInspector.ContextMenu;
     WebInspector.installPortStyles();
 
+    var delegate = /** @type {!WebInspector.ToolboxDelegate} */ (window.opener.WebInspector["app"]);
     var rootView = new WebInspector.RootView();
-    delegate.toolboxLoaded(rootView.element);
+    var inspectedPagePlaceholder = new WebInspector.InspectedPagePlaceholder();
+    this._responsiveDesignView = new WebInspector.ResponsiveDesignView(inspectedPagePlaceholder);
+    this._responsiveDesignView.show(rootView.element);
     rootView.attachToBody();
+    delegate.toolboxLoaded(this._responsiveDesignView, inspectedPagePlaceholder);
 }
 
 // FIXME: This stub is invoked from the backend and should be removed
 // once we migrate to the "pull" model for extensions retrieval.
 WebInspector.addExtensions = function() {}
 
 function windowLoaded()
 {
     window.removeEventListener("DOMContentLoaded", windowLoaded, false);
     new WebInspector.Toolbox();
 }
 
 if (document.readyState === "complete")
     new WebInspector.Toolbox();
 else
     window.addEventListener("DOMContentLoaded", windowLoaded, false);