OnSingleTapUp 303 ui/events/gesture_detection/gesture_detector.cc handled = listener_->OnSingleTapUp(ev); OnSingleTapUp 40 ui/events/gesture_detection/gesture_detector.h virtual bool OnSingleTapUp(const MotionEvent& e) = 0; OnSingleTapUp 66 ui/events/gesture_detection/gesture_detector.h virtual bool OnSingleTapUp(const MotionEvent& e) OVERRIDE;