Rename the aura_shell namespace to ash

ash/app_list/app_list_view.cc

 // 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.
 
 #include "ash/app_list/app_list_view.h"
 
 #include "ash/app_list/app_list_groups_view.h"
 #include "ash/app_list/app_list_item_view.h"
 #include "ash/app_list/app_list_model.h"
 #include "ash/app_list/app_list_view_delegate.h"
 #include "ash/shell.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/widget/widget.h"
 
-namespace aura_shell {
+namespace ash {
 
 AppListView::AppListView(
     AppListModel* model,
     AppListViewDelegate* delegate,
     const gfx::Rect& bounds,
-    const aura_shell::ShellDelegate::SetWidgetCallback& callback)
+    const ash::ShellDelegate::SetWidgetCallback& callback)
     : model_(model),
       delegate_(delegate) {
   Init(bounds, callback);
 }
 
 AppListView::~AppListView() {
 }
 
 void AppListView::Close() {
   if (GetWidget()->IsVisible())
@@ skipping 38 matching lines @@
   return true;
 }
 
 void AppListView::AppListItemActivated(AppListItemView* sender,
                                        int event_flags) {
   if (delegate_.get())
     delegate_->OnAppListItemActivated(sender->model(), event_flags);
   Close();
 }
 
-}  // namespace aura_shell
+}  // namespace ash