Rename the aura_shell namespace to ash

ash/launcher/tabbed_launcher_button.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_LAUNCHER_TABBED_LAUNCHER_BUTTON_H_
 #define ASH_LAUNCHER_TABBED_LAUNCHER_BUTTON_H_
 #pragma once
 
 #include "ash/launcher/launcher_types.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
 #include "ui/base/animation/animation_delegate.h"
 #include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/glow_hover_controller.h"
 
 namespace ui {
 class MultiAnimation;
 }
 
-namespace aura_shell {
+namespace ash {
 namespace internal {
 
 class LauncherButtonHost;
 
 // Button used for items on the launcher corresponding to tabbed windows.
 class TabbedLauncherButton : public views::ImageButton {
  public:
   TabbedLauncherButton(views::ButtonListener* listener,
                        LauncherButtonHost* host);
   virtual ~TabbedLauncherButton();
@@ skipping 63 matching lines @@
   static ImageSet* bg_image_1_;
   static ImageSet* bg_image_2_;
   static ImageSet* bg_image_3_;
 
   views::GlowHoverController hover_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(TabbedLauncherButton);
 };
 
 }  // namespace internal
-}  // namespace aura_shell
+}  // namespace ash
 
 #endif  // ASH_LAUNCHER_TABBED_LAUNCHER_BUTTON_H_