USER_GESTURE_NOT_ENABLED  198 chrome/browser/extensions/api/tabs/tabs_event_router.cc   event->user_gesture = EventRouter::USER_GESTURE_NOT_ENABLED;
USER_GESTURE_NOT_ENABLED  307 chrome/browser/extensions/api/tabs/tabs_event_router.cc       : EventRouter::USER_GESTURE_NOT_ENABLED;
USER_GESTURE_NOT_ENABLED  468 chrome/browser/extensions/api/tabs/tabs_event_router.cc   event->user_gesture = EventRouter::USER_GESTURE_NOT_ENABLED;