Shuffles and renames ash/common/wm classes

ash/common/wm/root_window_finder.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 ASH_COMMON_WM_ROOT_WINDOW_FINDER_H_
 #define ASH_COMMON_WM_ROOT_WINDOW_FINDER_H_
 
 #include "ash/ash_export.h"
 
 namespace gfx {
 class Point;
 class Rect;
 }  // namespace gfx
 
 namespace ash {
-namespace wm {
 
 class WmWindow;
 
+namespace wm {
+
 // Returns the RootWindow at |point| in the virtual screen coordinates.
 // Returns NULL if the root window does not exist at the given
 // point.
 ASH_EXPORT WmWindow* GetRootWindowAt(const gfx::Point& point);
 
 // Returns the RootWindow that shares the most area with |rect| in
 // the virtual scren coordinates.
 ASH_EXPORT WmWindow* GetRootWindowMatching(const gfx::Rect& rect);
 
 }  // namespace wm
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_ROOT_WINDOW_FINDER_H_