Move wm/core to wm namespace.

ui/wm/core/transient_window_controller.h

 // Copyright 2014 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_TRANSIENT_WINDOW_CONTROLLER_H_
 #define UI_WM_CORE_TRANSIENT_WINDOW_CONTROLLER_H_
 
 #include "ui/aura/client/transient_window_client.h"
 #include "ui/wm/core/wm_core_export.h"
 
-namespace views {
-namespace corewm {
+namespace wm {
 
 // TransientWindowClient implementation. Uses TransientWindowManager to handle
 // tracking transient per window.
 class WM_CORE_EXPORT TransientWindowController
     : public aura::client::TransientWindowClient {
  public:
   TransientWindowController();
   virtual ~TransientWindowController();
 
   // TransientWindowClient:
   virtual void AddTransientChild(aura::Window* parent,
                                  aura::Window* child) OVERRIDE;
   virtual void RemoveTransientChild(aura::Window* parent,
                                     aura::Window* child) OVERRIDE;
   virtual aura::Window* GetTransientParent(aura::Window* window) OVERRIDE;
   virtual const aura::Window* GetTransientParent(
       const aura::Window* window) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TransientWindowController);
 };
 
-}  // namespace corewm
-}  // namespace views
+}  // namespace wm
 
 #endif  // UI_WM_CORE_TRANSIENT_WINDOW_CONTROLLER_H_