Issue #3393949: 1.0-rc4 breaks sites because Url is unknown in gin_toolbar_preprocess_toolbar

use Drupal\Component\Utility\Html;

use Drupal\Core\Entity\EntityInterface;

use Drupal\Core\Routing\RouteMatchInterface;

use Drupal\Core\Url;

use Drupal\gin\GinNavigation;

use Drupal\gin\GinSettings;

use Drupal\gin\GinUserPicture;