Issue #2651986 by maxocub, balagan, Tom Robert, Kristen Pol, tstoeckler: Local...

Issue #2651986 by maxocub, balagan, Tom Robert, Kristen Pol, tstoeckler: Local task link "Translate" is not translated

core/modules/content_translation/src/Plugin/Derivative/ContentTranslationLocalTasks.php

@@ -11,11 +11,14 @@
 use Drupal\Component\Plugin\Derivative\DeriverBase;
 use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\Core\StringTranslation\TranslationInterface;
 
 /**
  * Provides dynamic local tasks for content translation.
  */
 class ContentTranslationLocalTasks extends DeriverBase implements ContainerDeriverInterface {
+  use StringTranslationTrait;
 
   /**
    * The base plugin ID
@@ -38,10 +41,13 @@ class ContentTranslationLocalTasks extends DeriverBase implements ContainerDeriv
    *   The base plugin ID.
    * @param \Drupal\content_translation\ContentTranslationManagerInterface $content_translation_manager
    *   The content translation manager.
+   * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
+   *   The translation manager.
    */
-  public function __construct($base_plugin_id, ContentTranslationManagerInterface $content_translation_manager) {
+  public function __construct($base_plugin_id, ContentTranslationManagerInterface $content_translation_manager, TranslationInterface $string_translation) {
     $this->basePluginId = $base_plugin_id;
     $this->contentTranslationManager = $content_translation_manager;
+    $this->stringTranslation = $string_translation;
   }
 
   /**
@@ -50,7 +56,8 @@ public function __construct($base_plugin_id, ContentTranslationManagerInterface
   public static function create(ContainerInterface $container, $base_plugin_id) {
     return new static(
       $base_plugin_id,
-      $container->get('content_translation.manager')
+      $container->get('content_translation.manager'),
+      $container->get('string_translation')
     );
   }
 
@@ -66,7 +73,7 @@ public function getDerivativeDefinitions($base_plugin_definition) {
       $base_route_name = "entity.$entity_type_id.canonical";
       $this->derivatives[$translation_route_name] = array(
         'entity_type' => $entity_type_id,
-        'title' => 'Translate',
+        'title' => $this->t('Translate'),
         'route_name' => $translation_route_name,
         'base_route' => $base_route_name,
       ) + $base_plugin_definition;

core/modules/content_translation/tests/src/Unit/Menu/ContentTranslationLocalTasksTest.php

@@ -37,6 +37,7 @@ protected function setUp() {
         'node' => $entity_type,
       )));
     \Drupal::getContainer()->set('content_translation.manager', $content_translation_manager);
+    \Drupal::getContainer()->set('string_translation', $this->getStringTranslationStub());
   }
 
   /**