Issue #2875101 by saphemmy, tmaiochi, Munavijayalakshmi: Replaced deprecated functions

namespace Drupal\google_image_sitemap\Form;

use Drupal\Component\Datetime\TimeInterface;

use Drupal\Core\Form\FormBase;

use Drupal\Core\Form\FormStateInterface;

use Drupal\Component\Utility\UrlHelper;

use Drupal\Core\Url;

use Symfony\Component\DependencyInjection\ContainerInterface;

/**

 * Provides a form to create new sitemap.

 */

class GoogleImageSitemapCreateForm extends FormBase {

  /**

   * Provides form to create a new sitemap time.

   * @property TimeInterface $time

   */

  /**

   * @var TimeInterface $time

   */

  protected $time;

  /**

   * @param TimeInterface $time

   */

  public function __construct(TimeInterface $time){

    $this->time = $time;

  }

  /**

   * {@inheritdoc}

   */

  public static function create(ContainerInterface $container)

  {

    return new static(

      $container->get('datetime.time')

    );

  }

  /**

   * {@inheritdoc}

   */

    $sitemap_id = \Drupal::routeMatch()->getRawParameter('sitemap_id');

    // Set created key if new.

    if (empty($sitemap_id)) {

      $sitemap['created'] = \Drupal::time()->getRequestTime();

      $sitemap['created'] = $this->time->getRequestTime();

    }

    $sitemap['node_type'] = $sitemap_obj->node_type;

    $sitemap['license'] = $sitemap_obj->license;

    $sitemap['last_updated'] = \Drupal::time()->getRequestTime();

    $sitemap['last_updated'] = $this->time->getRequestTime();

    $sitemap_obj->sid = $form_state->getStorage();

    \Drupal::database()->merge('google_image_sitemap')->fields($sitemap)->condition('sid', $sitemap_id)->execute();

    // Redirect to main page of sitemap.