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

ui/gfx/win/hwnd_util.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_HWND_UTIL_H_
-#define UI_BASE_WIN_HWND_UTIL_H_
+#ifndef UI_GFX_WIN_HWND_UTIL_H_
+#define UI_GFX_WIN_HWND_UTIL_H_
 
 #include <windows.h>
 
 #include "base/strings/string16.h"
-#include "ui/base/ui_export.h"
+#include "ui/gfx/gfx_export.h"
 
 namespace gfx {
 class Point;
 class Size;
-}
-
-namespace ui {
 
 // A version of the GetClassNameW API that returns the class name in an
 // string16. An empty result indicates a failure to get the class name.
 UI_EXPORT string16 GetClassName(HWND hwnd);
 
 // Useful for subclassing a HWND.  Returns the previous window procedure.
 UI_EXPORT WNDPROC SetWindowProc(HWND hwnd, WNDPROC wndproc);
 
 // Pointer-friendly wrappers around Get/SetWindowLong(..., GWLP_USERDATA, ...)
 // Returns the previously set value.
@@ skipping 16 matching lines @@
 
 // Shows |window|'s system menu (at a specified |point| in screen coordinates).
 UI_EXPORT void ShowSystemMenu(HWND window);
 UI_EXPORT void ShowSystemMenuAtPoint(HWND window, const gfx::Point& point);
 
 // Returns the window you can use to parent a top level window.
 // Note that in some cases we create child windows not parented to its final
 // container so in those cases you should pass true in |get_real_hwnd|.
 UI_EXPORT HWND GetWindowToParentTo(bool get_real_hwnd);
 
-}  // namespace ui
+}  // namespace gfx
 
-#endif  // UI_BASE_WIN_HWND_UTIL_H_
+#endif  // UI_GFX_WIN_HWND_UTIL_H_