ScrollUpdate 583 ui/events/gestures/gesture_sequence.cc if (ScrollUpdate(event, point, gestures.get(), FS_FIRST_SCROLL)) ScrollUpdate 611 ui/events/gestures/gesture_sequence.cc if (ScrollUpdate(event, point, gestures.get(), FS_NOT_FIRST_SCROLL)) ScrollUpdate 173 ui/events/gestures/gesture_sequence.h bool ScrollUpdate(const TouchEvent& event,