Move a bunch of windows stuff from ui/base/win to ui/gfx/win

ui/aura/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_AURA_ROOT_WINDOW_HOST_WIN_H_
 #define UI_AURA_ROOT_WINDOW_HOST_WIN_H_
 
 #include "base/compiler_specific.h"
 #include "ui/aura/root_window_host.h"
 #include "ui/base/ui_export.h"
-#include "ui/base/win/window_impl.h"
+#include "ui/gfx/win/window_impl.h"
 
 namespace aura {
 
-class RootWindowHostWin : public RootWindowHost, public ui::WindowImpl {
+class RootWindowHostWin : public RootWindowHost, public gfx::WindowImpl {
  public:
   RootWindowHostWin(const gfx::Rect& bounds);
   virtual ~RootWindowHostWin();
   // RootWindowHost:
   virtual void SetDelegate(RootWindowHostDelegate* delegate) OVERRIDE;
   virtual RootWindow* GetRootWindow() OVERRIDE;
   virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;
   virtual void ToggleFullScreen() OVERRIDE;
@@ skipping 65 matching lines @@
 // Set true to let RootWindowHostWin use a popup window
 // with no frame/title so that the window size and test's
 // expectations matches.
 AURA_EXPORT void SetUsePopupAsRootWindowForTest(bool use);
 
 }  // namespace
 
 }  // namespace aura
 
 #endif  // UI_AURA_ROOT_WINDOW_HOST_WIN_H_