views: Make View::set_border() take a scoped_ptr<>.

ash/wm/caption_buttons/maximize_bubble_controller_bubble.h

 // Copyright 2013 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_WM_CAPTION_BUTTONS_MAXIMIZE_BUBBLE_CONTROLLER_BUBBLE_H_
 #define ASH_WM_CAPTION_BUTTONS_MAXIMIZE_BUBBLE_CONTROLLER_BUBBLE_H_
 
 #include "ash/wm/workspace/snap_types.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/mouse_watcher.h"
@@ skipping 71 matching lines @@
 
   // Our owning class.
   MaximizeBubbleController* owner_;
 
   // The widget which contains our menu and the bubble border.
   views::Widget* bubble_widget_;
 
   // The content accessor of the menu.
   BubbleContentsView* contents_view_;
 
-  // The bubble border.
+  // The bubble border (weak reference).
   MaximizeBubbleBorder* bubble_border_;
 
   // The rectangle before the animation starts.
   gfx::Rect initial_position_;
 
   // The mouse watcher which takes care of out of window hover events.
   scoped_ptr<views::MouseWatcher> mouse_watcher_;
 
   // The fade delay - if 0 it will show / hide immediately.
   const int appearance_delay_ms_;
 
   DISALLOW_COPY_AND_ASSIGN(MaximizeBubbleControllerBubble);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_CAPTION_BUTTONS_MAXIMIZE_BUBBLE_CONTROLLER_BUBBLE_H_