Skips disabled menu items when selection is changed

ui/views/controls/menu/menu_controller.h

Index: ui/views/controls/menu/menu_controller.h
diff --git a/ui/views/controls/menu/menu_controller.h b/ui/views/controls/menu/menu_controller.h
index 76060b0164535417564b6d0e727b01a3dded88dd..1459023180afc3de5427b30e2f17dcc2072a980a 100644
--- a/ui/views/controls/menu/menu_controller.h
+++ b/ui/views/controls/menu/menu_controller.h
@@ -435,9 +435,13 @@ class VIEWS_EXPORT MenuController : public WidgetObserver {
   // 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);