Fix a crash canceling a completed, auto-opened download

chrome/browser/views/download_item_view.h

 // Copyright (c) 2006-2008 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.
 //
 // A ChromeView that implements one download on the Download shelf.
 // Each DownloadItemView contains an application icon, a text label
 // indicating the download's file name, a text label indicating the
 // download's status (such as the number of bytes downloaded so far)
 // and a button for canceling an in progress download, or opening
 // the completed download.
@@ skipping 20 matching lines @@
 #include "views/controls/button/button.h"
 #include "views/view.h"
 
 namespace views {
 class Label;
 class NativeButton;
 }
 class BaseDownloadItemModel;
 class DownloadShelfView;
 class SkBitmap;
+class DownloadShelfContextMenuWin;
 
 class DownloadItemView : public views::ButtonListener,
                          public views::View,
                          public DownloadItem::Observer,
                          public AnimationDelegate {
  public:
   DownloadItemView(DownloadItem* download,
                    DownloadShelfView* parent,
                    BaseDownloadItemModel* model);
   virtual ~DownloadItemView();
@@ skipping 186 matching lines @@
   // Whether we are currently disabled as part of opening the downloaded file.
   bool disabled_while_opening_;
 
   // The time at which this view was created.
   base::Time creation_time_;
 
   // Method factory used to delay reenabling of the item when opening the
   // downloaded file.
   ScopedRunnableMethodFactory<DownloadItemView> reenable_method_factory_;
 
+  // The currently running download context menu.
+  DownloadShelfContextMenuWin* active_menu_;
+
   DISALLOW_COPY_AND_ASSIGN(DownloadItemView);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_DOWNLOAD_ITEM_VIEW_H__