/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
$this->link = $this->menuLinkManager->resetLink($this->link->getPluginId());
drupal_set_message($this->t('The menu link was reset to its default settings.'));
$form_state->setRedirectUrl($this->getCancelUrl());
}
