public function disableOnboarding() {
    // Save the value in the user_data.
    $this->setData(TRUE);
    $redirect = \Drupal::request()->get('destination') ?: '/stream';
    // Set a message that they can be turned on again.
    drupal_set_message($this->t('You will not see tips like this anymore.'));
    // Return to Profile.
    return new RedirectResponse($redirect);
  }