NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED  170 chrome/browser/extensions/extension_test_notification_observer.cc       chrome::NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED);
NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED  171 chrome/browser/extensions/lazy_background_page_apitest.cc         chrome::NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED,
NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED 1795 chrome/browser/ui/gtk/location_bar_view_gtk.cc         chrome::NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED,
NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED 1596 chrome/browser/ui/views/location_bar/location_bar_view.cc             chrome::NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED,