[DevTools] Add toolbox web contents to show in undocked mode.

chrome/browser/ui/views/frame/browser_view.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 638 matching lines @@
   // The view that contains the selected WebContents.
   ContentsWebView* contents_web_view_;
 
   // The view that contains devtools window for the selected WebContents.
   views::WebView* devtools_web_view_;
 
   // The view managing the devtools and contents positions.
   // Handled by ContentsLayoutManager.
   views::View* contents_container_;
 
-  // Docked devtools window instance. NULL when current tab is not inspected
-  // or is inspected with undocked version of DevToolsWindow.
-  DevToolsWindow* devtools_window_;
-
   // Tracks and stores the last focused view which is not the
   // devtools_web_view_ or any of its children. Used to restore focus once
   // the devtools_web_view_ is hidden.
   scoped_ptr<views::ExternalFocusTracker> devtools_focus_tracker_;
 
   // The Status information bubble that appears at the bottom of the window.
   scoped_ptr<StatusBubbleViews> status_bubble_;
 
   // The permission bubble view is the toolkit-specific implementation of the
   // interface used by the manager to display permissions bubbles.
@@ skipping 50 matching lines @@
   scoped_ptr<ScrollEndEffectController> scroll_end_effect_controller_;
 
   scoped_ptr<WebContentsCloseHandler> web_contents_close_handler_;
 
   mutable base::WeakPtrFactory<BrowserView> activate_modal_dialog_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_