Move ash/system/web_notification message_center to ui/

ash/system/tray/tray_bubble_wrapper.h

 // Copyright (c) 2012 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_SYSTEM_TRAY_TRAY_BUBBLE_WRAPPER_H_
 #define ASH_SYSTEM_TRAY_TRAY_BUBBLE_WRAPPER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/views/widget/widget_observer.h"
 
-namespace message_center {
+namespace views {
 class TrayBubbleView;
 }
 
 namespace ash {
 namespace internal {
 
 class TrayBackgroundView;
 class TrayEventFilter;
 
 // Creates and manages the Widget and EventFilter components of a bubble.
 
 class TrayBubbleWrapper : public views::WidgetObserver {
  public:
   TrayBubbleWrapper(TrayBackgroundView* tray,
-                    message_center::TrayBubbleView* bubble_view);
+                    views::TrayBubbleView* bubble_view);
   virtual ~TrayBubbleWrapper();
 
   // views::WidgetObserver overrides:
   virtual void OnWidgetClosing(views::Widget* widget) OVERRIDE;
 
   TrayBackgroundView* tray() { return tray_; }
-  message_center::TrayBubbleView* bubble_view() { return bubble_view_; }
+  views::TrayBubbleView* bubble_view() { return bubble_view_; }
   views::Widget* bubble_widget() { return bubble_widget_; }
 
  private:
   TrayBackgroundView* tray_;
-  message_center::TrayBubbleView* bubble_view_;  // unowned
+  views::TrayBubbleView* bubble_view_;  // unowned
   views::Widget* bubble_widget_;
   scoped_ptr<TrayEventFilter> tray_event_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayBubbleWrapper);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_TRAY_BUBBLE_WRAPPER_H_