void CustomButton::OnGestureEvent(ui::GestureEvent* event) {
  if (state_ == STATE_DISABLED) {
    Button::OnGestureEvent(event);
    return;
  }

  if (event->type() == ui::ET_GESTURE_TAP && IsTriggerableEvent(*event)) {
    SetState(STATE_HOVERED);
    hover_animation_->Reset(1.0);
    NotifyClick(*event);
    event->StopPropagation();
  } else if (event->type() == ui::ET_GESTURE_TAP_DOWN &&
             ShouldEnterPushedState(*event)) {
    SetState(STATE_PRESSED);
    if (request_focus_on_press_)
      RequestFocus();
    event->StopPropagation();
  } else if (event->type() == ui::ET_GESTURE_TAP_CANCEL ||
             event->type() == ui::ET_GESTURE_END) {
    SetState(STATE_NORMAL);
  }
  if (!event->handled())
    Button::OnGestureEvent(event);
 }

This label identifies security gaps where expected security features are missing or only partially implemented, reducing protection against unauthorized access or manipulation.