Introduce BubbleDialogDelegateView, which extends DialogDelegateView

chrome/browser/ui/views/autofill/save_card_bubble_views.h

 // Copyright 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 CHROME_BROWSER_UI_VIEWS_AUTOFILL_SAVE_CARD_BUBBLE_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_AUTOFILL_SAVE_CARD_BUBBLE_VIEWS_H_
 
 #include "base/macros.h"
 #include "chrome/browser/ui/autofill/save_card_bubble_controller.h"
 #include "chrome/browser/ui/autofill/save_card_bubble_view.h"
@@ skipping 27 matching lines @@
   SaveCardBubbleViews(views::View* anchor_view,
                       content::WebContents* web_contents,
                       SaveCardBubbleController* controller);
 
   void Show(DisplayReason reason);
 
   // SaveCardBubbleView
   void Hide() override;
 
   // views::BubbleDelegateView
-  scoped_ptr<views::View> CreateFootnoteView() override;
+  views::View* CreateFootnoteView() override;
 
   // views::View
   gfx::Size GetPreferredSize() const override;
 
   // views::WidgetDelegate
   views::View* GetInitiallyFocusedView() override;
   base::string16 GetWindowTitle() const override;
   void WindowClosing() override;
 
   // views::ButtonListener
@@ skipping 23 matching lines @@
   views::LabelButton* cancel_button_;
 
   views::Link* learn_more_link_;
 
   DISALLOW_COPY_AND_ASSIGN(SaveCardBubbleViews);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_VIEWS_AUTOFILL_SAVE_CARD_BUBBLE_VIEWS_H_