diff options
| -rw-r--r-- | ui/events/gestures/gesture_recognizer_impl.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/ui/events/gestures/gesture_recognizer_impl.cc b/ui/events/gestures/gesture_recognizer_impl.cc index 950bec9..acd9643 100644 --- a/ui/events/gestures/gesture_recognizer_impl.cc +++ b/ui/events/gestures/gesture_recognizer_impl.cc @@ -83,10 +83,13 @@ GestureConsumer* GestureRecognizerImpl::GetTouchLockedTarget( GestureConsumer* GestureRecognizerImpl::GetTargetForGestureEvent( const GestureEvent& event) { - GestureConsumer* target = NULL; int touch_id = event.details().oldest_touch_id(); - target = touch_id_target_for_gestures_[touch_id]; - return target; + if (!touch_id_target_for_gestures_.count(touch_id)) { + NOTREACHED() << "Touch ID does not map to a valid GestureConsumer."; + return nullptr; + } + + return touch_id_target_for_gestures_.at(touch_id); } GestureConsumer* GestureRecognizerImpl::GetTargetForLocation( |