Rename the aura_shell namespace to ash

ash/wm/always_on_top_controller.h

 // Copyright (c) 2011 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_WM_ALWAYS_ON_TOP_CONTROLLER_H_
 #define ASH_WM_ALWAYS_ON_TOP_CONTROLLER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/aura/window_observer.h"
 
 namespace aura {
 class Window;
 }
 
-namespace aura_shell {
+namespace ash {
 namespace internal {
 
 // AlwaysOnTopController puts window into proper containers based on its
 // 'AlwaysOnTop' property. That is, putting a window to |default_container_|
 // if its "AlwaysOnTop" property is false. Otherwise, put it in
 // |always_on_top_container_|.
 class AlwaysOnTopController : public aura::WindowObserver {
  public:
   AlwaysOnTopController();
   virtual ~AlwaysOnTopController();
@@ skipping 13 matching lines @@
                                        const char* name,
                                        void* old) OVERRIDE;
   virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE;
 
   aura::Window* default_container_;
   aura::Window* always_on_top_container_;
 
   DISALLOW_COPY_AND_ASSIGN(AlwaysOnTopController);
 };
 
-}  // namepsace aura_shell
 }  // namepsace internal
+}  // namepsace ash
 
 #endif  // ASH_WM_ALWAYS_ON_TOP_CONTROLLER_H_