Fix a crash when closing an incognito window

chrome/browser/views/frame/browser_view.h

 // Copyright (c) 2006-2009 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_VIEWS_FRAME_BROWSER_VIEW_H_
 #define CHROME_BROWSER_VIEWS_FRAME_BROWSER_VIEW_H_
 
 #include <set>
 
 #include "base/gfx/native_widget_types.h"
@@ skipping 373 matching lines @@
   // The TabStrip.
   TabStrip* tabstrip_;
 
   // The Toolbar containing the navigation buttons, menus and the address bar.
   ToolbarView* toolbar_;
 
   // The Bookmark Bar View for this window. Lazily created.
   scoped_ptr<BookmarkBarView> bookmark_bar_view_;
 
   // The download shelf view (view at the bottom of the page).
-  DownloadShelfView* download_shelf_;
+  scoped_ptr<DownloadShelfView> download_shelf_;
 
   // The InfoBarContainer that contains InfoBars for the current tab.
   InfoBarContainer* infobar_container_;
 
   // The distance the FindBar is from the top of the window, in pixels.
   int find_bar_y_;
 
   // The view that contains the selected TabContents.
   TabContentsContainer* contents_container_;
 
@@ skipping 46 matching lines @@
   // A bottom bar for showing extensions.
   ExtensionShelf* extension_shelf_;
 
   typedef std::set<BrowserBubble*> BubbleSet;
   BubbleSet browser_bubbles_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserView);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_FRAME_BROWSER_VIEW_H_