Change ShowConfirmBubble() to take model by scoped_ptr.

chrome/browser/ui/views/confirm_bubble_views.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 CHROME_BROWSER_UI_VIEWS_CONFIRM_BUBBLE_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_CONFIRM_BUBBLE_VIEWS_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/views/controls/link_listener.h"
 #include "ui/views/window/dialog_delegate.h"
 
 class ConfirmBubbleModel;
 
 // A dialog (with the standard Title/(x)/[OK]/[Cancel] UI elements), as well as
 // a message Label and optional Link. The dialog ultimately appears like this:
 //   +------------------------+
 //   | Title              (x) |
 //   | Label                  |
 //   | Link     [OK] [Cancel] |
 //   +------------------------+
 //
 // TODO(msw): Remove this class or merge it with DialogDelegateView.
 class ConfirmBubbleViews : public views::DialogDelegateView,
                            public views::LinkListener {
  public:
-  explicit ConfirmBubbleViews(ConfirmBubbleModel* model);
+  explicit ConfirmBubbleViews(scoped_ptr<ConfirmBubbleModel> model);
 
  protected:
   ~ConfirmBubbleViews() override;
 
   // views::DialogDelegate implementation.
   base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
   bool IsDialogButtonEnabled(ui::DialogButton button) const override;
   views::View* CreateExtraView() override;
   bool Cancel() override;
   bool Accept() override;
 
   // views::WidgetDelegate implementation.
   ui::ModalType GetModalType() const override;
   base::string16 GetWindowTitle() const override;
 
   // views::LinkListener implementation.
   void LinkClicked(views::Link* source, int event_flags) override;
 
  private:
   // The model to customize this bubble view.
   scoped_ptr<ConfirmBubbleModel> model_;
 
   views::Link* link_;
 
   DISALLOW_COPY_AND_ASSIGN(ConfirmBubbleViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_CONFIRM_BUBBLE_VIEWS_H_