Fixes crash in closing menus. There are two issues here:

ui/views/controls/menu/menu_controller.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 UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_H_
 #define UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 507 matching lines @@
   scoped_ptr<MenuScrollTask> scroll_task_;
 
   MenuButton* menu_button_;
 
   // If non-null mouse drag events are forwarded to this view. See
   // UpdateActiveMouseView for details.
   View* active_mouse_view_;
 
   internal::MenuControllerDelegate* delegate_;
 
+  // How deep we are in nested message loops. This should be at most 2 (when
+  // showing a context menu from a menu).
+  int message_loop_depth_;
+
   DISALLOW_COPY_AND_ASSIGN(MenuController);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_H_