Revert 182281 - Broke Chome Frame tests.

ui/views/widget/desktop_aura/desktop_root_window_host_win.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 UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_WIN_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_WIN_H_
 
 #include "ui/aura/root_window_host.h"
 #include "ui/views/views_export.h"
 #include "ui/views/widget/desktop_aura/desktop_root_window_host.h"
@@ skipping 182 matching lines @@
                             LPARAM l_param,
                             LRESULT* result) OVERRIDE;
   virtual void PostHandleMSG(UINT message,
                              WPARAM w_param,
                              LPARAM l_param) OVERRIDE;
 
   Widget* GetWidget();
   const Widget* GetWidget() const;
   HWND GetHWND() const;
 
-  const DesktopNativeWidgetAura* desktop_native_widget_aura() const {
-    return desktop_native_widget_aura_;
-  }
-
  private:
   // We are owned by the RootWindow, but we have to have a back pointer to it.
   aura::RootWindow* root_window_;
 
   scoped_ptr<HWNDMessageHandler> message_handler_;
   scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
   scoped_ptr<DesktopDispatcherClient> dispatcher_client_;
   scoped_ptr<aura::client::FocusClient> focus_client_;
   // Depends on focus_manager_.
   scoped_ptr<DesktopActivationClient> activation_client_;
@@ skipping 15 matching lines @@
   scoped_ptr<DesktopCursorClient> cursor_client_;
 
   scoped_ptr<DesktopDragDropClientWin> drag_drop_client_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopRootWindowHostWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_WIN_H_