Mouse hover out of context menu should un-select menu item....

chrome/views/controls/menu/chrome_menu.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.
 
 #ifndef CHROME_VIEWS_CONTROLS_MENU_CHROME_MENU_H_
 #define CHROME_VIEWS_CONTROLS_MENU_CHROME_MENU_H_
 
 #include <list>
+#include <vector>
 
 #include "base/gfx/point.h"
 #include "base/gfx/rect.h"
 #include "base/message_loop.h"
 #include "base/task.h"
 #include "chrome/common/drag_drop_types.h"
 #include "chrome/common/gfx/chrome_font.h"
 #include "chrome/views/controls/menu/controller.h"
 #include "chrome/views/view.h"
 #include "skia/include/SkBitmap.h"
@@ skipping 906 matching lines @@
   int press_x_;
   int press_y_;
 
   // We get a slew of drag updated messages as the mouse is over us. To avoid
   // continually processing whether we can drop, we cache the coordinates.
   bool valid_drop_coordinates_;
   int drop_x_;
   int drop_y_;
   int last_drop_operation_;
 
-  // If true, the mouse is over some menu.
-  bool any_menu_contains_mouse_;
-
   // If true, we're in the middle of invoking ShowAt on a submenu.
   bool showing_submenu_;
 
   // Task for scrolling the menu. If non-null indicates a scroll is currently
   // underway.
   scoped_ptr<MenuScrollTask> scroll_task_;
 
   DISALLOW_EVIL_CONSTRUCTORS(MenuController);
 };
 
 }  // namespace views
 
 #endif  // CHROME_VIEWS_CONTROLS_MENU_CHROME_MENU_H_