Change the "close Chrome with downloads in progress" dialog to resemble kenmoore's mock

chrome/browser/ui/views/download/download_in_progress_dialog_view.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_DOWNLOAD_DOWNLOAD_IN_PROGRESS_DIALOG_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_IN_PROGRESS_DIALOG_VIEW_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/views/window/dialog_delegate.h"
 
 class Browser;
 
 namespace views {
-class Label;
+class MessageBoxView;
 }
 
-class DownloadInProgressDialogView : public views::DialogDelegateView {
+class DownloadInProgressDialogView : public views::DialogDelegate {
  public:
   static void Show(Browser* browser, gfx::NativeWindow parent_window);
 
  private:
   explicit DownloadInProgressDialogView(Browser* browser);
   virtual ~DownloadInProgressDialogView();
 
-  // views::View:
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
-
-  // views::DialogDelegateView:
+  // views::DialogDelegate:
+  virtual int GetDefaultDialogButton() const OVERRIDE;
   virtual string16 GetDialogButtonLabel(ui::DialogButton button) const OVERRIDE;
-  virtual int GetDefaultDialogButton() const OVERRIDE;
   virtual bool Cancel() OVERRIDE;
   virtual bool Accept() OVERRIDE;
+
+  // views::WidgetDelegate:
   virtual ui::ModalType GetModalType() const OVERRIDE;
   virtual string16 GetWindowTitle() const OVERRIDE;
+  virtual void DeleteDelegate() OVERRIDE;
+  virtual views::Widget* GetWidget() OVERRIDE;
+  virtual const views::Widget* GetWidget() const OVERRIDE;
   virtual views::View* GetContentsView() OVERRIDE;
 
   Browser* browser_;
-  views::Label* warning_;
-  views::Label* explanation_;
+  views::MessageBoxView* message_box_view_;
 
+  string16 title_text_;
   string16 ok_button_text_;
   string16 cancel_button_text_;
 
   gfx::Size dialog_dimensions_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadInProgressDialogView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_IN_PROGRESS_DIALOG_VIEW_H_