Rename the aura_shell namespace to ash

ash/app_list/app_list_view.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_APP_LIST_APP_LIST_VIEW_H_
 #define ASH_APP_LIST_APP_LIST_VIEW_H_
 #pragma once
 
 #include "ash/app_list/app_list_item_view_listener.h"
 #include "ash/ash_export.h"
 #include "ash/shell_delegate.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/views/widget/widget_delegate.h"
 
 namespace views {
 class View;
 }
 
-namespace aura_shell {
+namespace ash {
 
 class AppListModel;
 class AppListViewDelegate;
 
 // AppListView is the top-level view and controller of app list UI. It creates
 // and hosts a AppListModelView and passes AppListModel to it for display.
 class ASH_EXPORT AppListView : public views::WidgetDelegateView,
                                       public AppListItemViewListener {
  public:
   // Takes ownership of |model| and |delegate|.
@@ skipping 19 matching lines @@
   virtual void AppListItemActivated(AppListItemView* sender,
                                     int event_flags) OVERRIDE;
 
   scoped_ptr<AppListModel> model_;
 
   scoped_ptr<AppListViewDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListView);
 };
 
-}  // namespace aura_shell
+}  // namespace ash
 
 #endif  // ASH_APP_LIST_APP_LIST_VIEW_H_