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

ui/gfx/win/window_impl.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_BASE_WIN_WINDOW_IMPL_H_
-#define UI_BASE_WIN_WINDOW_IMPL_H_
+#ifndef UI_GFX_WIN_WINDOW_IMPL_H_
+#define UI_GFX_WIN_WINDOW_IMPL_H_
 
 #include <atlbase.h>
 #include <atlapp.h>
 #include <atlmisc.h>
 #include <atlcrack.h>
 
 #include <string>
 
 #include "base/logging.h"
-#include "ui/base/ui_export.h"
+#include "ui/gfx/gfx_export.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect.h"
 
-namespace ui {
+namespace gfx {
 
 // An interface implemented by classes that use message maps.
 // ProcessWindowMessage is implemented by the BEGIN_MESSAGE_MAP_EX macro.
 class MessageMapInterface {
  public:
   // Processes one message from the window's message queue.
   virtual BOOL ProcessWindowMessage(HWND window,
                                     UINT message,
                                     WPARAM w_param,
                                     LPARAM l_param,
@@ skipping 80 matching lines @@
 
   // For debugging.
   // TODO(sky): nuke this when get crash data.
   bool got_create_;
   bool got_valid_hwnd_;
   bool* destroyed_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowImpl);
 };
 
-}  // namespace ui
+}  // namespace gfx
 
-#endif  // UI_BASE_WIN_WINDOW_IMPL_H_
+#endif  // UI_GFX_WIN_WINDOW_IMPL_H_