Move wm/core to wm namespace.

ui/wm/core/window_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_WM_CORE_WINDOW_UTIL_H_
 #define UI_WM_CORE_WINDOW_UTIL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/wm/core/wm_core_export.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ui {
 class Layer;
 class LayerOwner;
 class LayerTreeOwner;
 }
 
-namespace views {
-namespace corewm {
+namespace wm {
 
 WM_CORE_EXPORT void ActivateWindow(aura::Window* window);
 WM_CORE_EXPORT void DeactivateWindow(aura::Window* window);
 WM_CORE_EXPORT bool IsActiveWindow(aura::Window* window);
 WM_CORE_EXPORT bool CanActivateWindow(aura::Window* window);
 
 // Retrieves the activatable window for |window|. The ActivationClient makes
 // this determination.
 WM_CORE_EXPORT aura::Window* GetActivatableWindow(aura::Window* window);
 
@@ skipping 21 matching lines @@
 WM_CORE_EXPORT void AddTransientChild(aura::Window* parent,
                                       aura::Window* child);
 WM_CORE_EXPORT void RemoveTransientChild(aura::Window* parent,
                                          aura::Window* child);
 
 // Returns true if |window| has |ancestor| as a transient ancestor. A transient
 // ancestor is found by following the transient parent chain of the window.
 WM_CORE_EXPORT bool HasTransientAncestor(const aura::Window* window,
                                          const aura::Window* ancestor);
 
-}  // namespace corewm
-}  // namespace views
+}  // namespace wm
 
 #endif  // UI_WM_CORE_WINDOW_UTIL_H_