Retires scoped_ptr for BoundsAnimator of message_list_view.

ui/message_center/views/message_list_view.h

 // Copyright (c) 2015 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 UI_MESSAGE_CENTER_VIEWS_MESSAGE_LIST_VIEW_H_
 #define UI_MESSAGE_CENTER_VIEWS_MESSAGE_LIST_VIEW_H_
 
 #include <list>
 #include <set>
 
 #include "ui/compositor/paint_context.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/message_center/notification.h"
+#include "ui/views/animation/bounds_animator.h"
 #include "ui/views/animation/bounds_animator_observer.h"
 #include "ui/views/view.h"
 
 namespace gfx {
 class Canvas;
 }
 
 namespace ui {
 class Layer;
 }
 
-namespace views {
-class BoundsAnimator;
-}
-
 namespace message_center {
 
 class MessageCenterView;
 class MessageView;
 
 // Displays a list of messages for rich notifications. Functions as an array of
 // MessageViews and animates them on transitions. It also supports
 // repositioning.
 class MessageListView : public views::View,
                         public views::BoundsAnimatorObserver {
@@ skipping 46 matching lines @@
   // The top position of the reposition target rectangle.
   int reposition_top_;
   int fixed_height_;
   bool has_deferred_task_;
   bool clear_all_started_;
   bool top_down_;
   std::set<views::View*> adding_views_;
   std::set<views::View*> deleting_views_;
   std::set<views::View*> deleted_when_done_;
   std::list<views::View*> clearing_all_views_;
-  scoped_ptr<views::BoundsAnimator> animator_;
+  views::BoundsAnimator animator_;
   base::WeakPtrFactory<MessageListView> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageListView);
 };
 
 }  // namespace message_center
 #endif  // UI_MESSAGE_CENTER_VIEWS_MESSAGE_LIST_VIEW_H_