* nsmenu.m (ns_update_menubar): Call fillWithWidgetValue:setDelegate.

* nsmenu.m (ns_update_menubar): Call fillWithWidgetValue:setDelegate.
(x_activate_menubar): Update the whole menu.
(trackingNotification:): Call ns_check_menu_open if tracking ends.
(menuWillOpen:): Increment trackingMenu.  For OSX <= 10.6, exit if
current event is not NSSystemDefined.
Call ns_check_menu_open only if trackingMenu is 2.
(menuDidClose:): New method, decrease trackingMenu.
(fillWithWidgetValue:setDelegate:): New method.
(fillWithWidgetValue:): Call the above.

* nsterm.h (EmacsMenu): Add fillWithWidgetValue:setDelegate:

* nsterm.m (menu_pending_title, ns_get_pending_menu_title): Remove.
(ns_check_menu_open): Handle menu == nil.  Remove assignment to
menu_pending_title.