Skips disabled menu items when selection is changed

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_
 
 #include "build/build_config.h"
 
 #include <list>
@@ skipping 417 matching lines @@
   gfx::Rect CalculateBubbleMenuBounds(MenuItemView* item,
                                       bool prefer_leading,
                                       bool* is_leading);
 
   // Returns the depth of the menu.
   static int MenuDepth(MenuItemView* item);
 
   // Selects the next/previous menu item.
   void IncrementSelection(int delta);
 
+  // Returns the first selectable child menu item of |parent|. If there are no
+  // selectable menu items NULL is returned.
+  MenuItemView* FindFirstSelectableMenuItem(MenuItemView* parent);
+
   // Returns the next selectable child menu item of |parent| starting at |index|
-  // and incrementing index by |delta|. If there are no more selected menu items
-  // NULL is returned.
+  // and incrementing index by |delta|. If there are no more selectable menu
+  // items NULL is returned.
   MenuItemView* FindNextSelectableMenuItem(MenuItemView* parent,
                                            int index,
                                            int delta);
 
   // If the selected item has a submenu and it isn't currently open, the
   // the selection is changed such that the menu opens immediately.
   void OpenSubmenuChangeSelectionIfCan();
 
   // If possible, closes the submenu.
   void CloseSubmenu();
@@ skipping 185 matching lines @@
   bool item_selected_by_touch_;
 
   scoped_ptr<MenuMessageLoop> message_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(MenuController);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_H_