IsSecondTouchDownCloseEnoughForTwoFingerTap 1457 ui/events/gestures/gesture_sequence.cc if (IsSecondTouchDownCloseEnoughForTwoFingerTap()) { IsSecondTouchDownCloseEnoughForTwoFingerTap 100 ui/events/gestures/gesture_sequence.h bool IsSecondTouchDownCloseEnoughForTwoFingerTap();