diff --git a/core/modules/locale/lib/Drupal/locale/Form/TranslateFormBase.php b/core/modules/locale/lib/Drupal/locale/Form/TranslateFormBase.php
index 7ee89e2..5b2abbd 100644
--- a/core/modules/locale/lib/Drupal/locale/Form/TranslateFormBase.php
+++ b/core/modules/locale/lib/Drupal/locale/Form/TranslateFormBase.php
@@ -7,8 +7,11 @@
 
 namespace Drupal\locale\Form;
 
+use Drupal\Core\Controller\ControllerInterface;
 use Drupal\Core\Form\FormInterface;
 use Drupal\Core\Language\Language;
+use Drupal\locale\StringStorageInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
 
 /**
@@ -16,7 +19,33 @@
  *
  * Provides methods for searching and filtering strings.
  */
-abstract class TranslateFormBase implements FormInterface {
+abstract class TranslateFormBase implements ControllerInterface, FormInterface {
+
+  /**
+   * The locale storage.
+   *
+   * @var \Drupal\locale\StringStorageInterface
+   */
+  protected $localeStorage;
+
+  /**
+   * Constructs a new TranslationFormBase object.
+   *
+   * @param \Drupal\locale\StringStorageInterface $locale_storage
+   *   The locale storage.
+   */
+  public function __construct(StringStorageInterface $locale_storage) {
+    $this->localeStorage = $locale_storage;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('locale.storage')
+    );
+  }
 
   /**
    * Builds a string search query and returns an array of string objects.
@@ -57,7 +86,7 @@ protected function translateFilterLoadStrings(Request $request) {
       }
     }
 
-    return \Drupal::service('locale.storage')->getTranslations($conditions, $options);
+    return $this->localeStorage->getTranslations($conditions, $options);
   }
 
   /**