CustomButton::CustomButton(ButtonListener* listener)
    : Button(listener),
      state_(STATE_NORMAL),
      animate_on_state_change_(true),
      is_throbbing_(false),
      triggerable_event_flags_(ui::EF_LEFT_MOUSE_BUTTON),
      request_focus_on_press_(true),
      notify_action_(NOTIFY_ON_RELEASE) {
  hover_animation_.reset(new gfx::ThrobAnimation(this));
  hover_animation_->SetSlideDuration(kHoverFadeDurationMs);
}

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