diff --git a/core/lib/Drupal/Core/Breadcrumb/BreadcrumbBuilderBase.php b/core/lib/Drupal/Core/Breadcrumb/BreadcrumbBuilderBase.php
index 63fe199..cd41d51 100644
--- a/core/lib/Drupal/Core/Breadcrumb/BreadcrumbBuilderBase.php
+++ b/core/lib/Drupal/Core/Breadcrumb/BreadcrumbBuilderBase.php
@@ -7,6 +7,8 @@
 
 namespace Drupal\Core\Breadcrumb;
 
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+
 /**
  * Defines a common base class for breadcrumb builders adding a link generator.
  *
@@ -14,6 +16,8 @@
  */
 abstract class BreadcrumbBuilderBase implements BreadcrumbBuilderInterface {
 
+  use StringTranslationTrait;
+
   /**
    * The link generator.
    *
@@ -22,13 +26,6 @@
   protected $linkGenerator;
 
   /**
-   * The translation manager.
-   *
-   * @var \Drupal\Core\StringTranslation\TranslationInterface
-   */
-  protected $translationManager;
-
-  /**
    * Returns the service container.
    *
    * @return \Symfony\Component\DependencyInjection\ContainerInterface $container
@@ -64,26 +61,4 @@ protected function linkGenerator() {
     return $this->linkGenerator;
   }
 
-  /**
-   * Translates a string to the current language or to a given language.
-   *
-   * See the t() documentation for details.
-   */
-  protected function t($string, array $args = array(), array $options = array()) {
-    return $this->translationManager()->translate($string, $args, $options);
-  }
-
-  /**
-   * Returns the translation manager.
-   *
-   * @return \Drupal\Core\StringTranslation\TranslationInterface
-   *   The translation manager.
-   */
-  protected function translationManager() {
-    if (!$this->translationManager) {
-      $this->translationManager = $this->container()->get('string_translation');
-    }
-    return $this->translationManager;
-  }
-
 }
diff --git a/core/lib/Drupal/Core/Controller/ControllerBase.php b/core/lib/Drupal/Core/Controller/ControllerBase.php
index 7eb368a..56fc3e9 100644
--- a/core/lib/Drupal/Core/Controller/ControllerBase.php
+++ b/core/lib/Drupal/Core/Controller/ControllerBase.php
@@ -8,6 +8,7 @@
 namespace Drupal\Core\Controller;
 
 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 
@@ -32,6 +33,8 @@
  */
 abstract class ControllerBase implements ContainerInjectionInterface {
 
+  use StringTranslationTrait;
+
   /**
    * The entity manager.
    *
@@ -54,13 +57,6 @@
   protected $languageManager;
 
   /**
-   * The translation manager.
-   *
-   * @var \Drupal\Core\StringTranslation\TranslationInterface
-   */
-  protected $translationManager;
-
-  /**
    * The configuration factory.
    *
    * @var \Drupal\Core\Config\Config
@@ -276,28 +272,6 @@ protected function currentUser() {
   }
 
   /**
-   * Translates a string to the current language or to a given language.
-   *
-   * See the t() documentation for details.
-   */
-  protected function t($string, array $args = array(), array $options = array()) {
-    return $this->translationManager()->translate($string, $args, $options);
-  }
-
-  /**
-   * Returns the translation manager.
-   *
-   * @return \Drupal\Core\StringTranslation\TranslationInterface
-   *   The translation manager.
-   */
-  protected function translationManager() {
-    if (!$this->translationManager) {
-      $this->translationManager = $this->container()->get('string_translation');
-    }
-    return $this->translationManager;
-  }
-
-  /**
    * Returns the language manager service.
    *
    * @return \Drupal\Core\Language\LanguageManager
diff --git a/core/lib/Drupal/Core/Controller/TitleResolver.php b/core/lib/Drupal/Core/Controller/TitleResolver.php
index 359af1d..39b82ec 100644
--- a/core/lib/Drupal/Core/Controller/TitleResolver.php
+++ b/core/lib/Drupal/Core/Controller/TitleResolver.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\Core\Controller;
 
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\Core\StringTranslation\TranslationInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Routing\Route;
@@ -16,6 +17,8 @@
  */
 class TitleResolver implements TitleResolverInterface {
 
+  use StringTranslationTrait;
+
   /**
    * The controller resolver.
    *
@@ -24,13 +27,6 @@ class TitleResolver implements TitleResolverInterface {
   protected $controllerResolver;
 
   /**
-   * The translation manager.
-   *
-   * @var \Drupal\Core\StringTranslation\TranslationInterface
-   */
-  protected $translationManager;
-
-  /**
    * Constructs a TitleResolver instance.
    *
    * @param \Drupal\Core\Controller\ControllerResolverInterface $controller_resolver
@@ -62,7 +58,7 @@ public function getTitle(Request $request, Route $route) {
         $options['context'] = $context;
       }
       // Fall back to a static string from the route.
-      $route_title = $this->translationManager->translate($title, array(), $options);
+      $route_title = $this->t($title, array(), $options);
     }
     return $route_title;
   }
diff --git a/core/lib/Drupal/Core/Entity/EntityControllerBase.php b/core/lib/Drupal/Core/Entity/EntityControllerBase.php
index 7b60766..8fb39b1 100644
--- a/core/lib/Drupal/Core/Entity/EntityControllerBase.php
+++ b/core/lib/Drupal/Core/Entity/EntityControllerBase.php
@@ -9,6 +9,7 @@
 
 use Drupal\Core\DependencyInjection\DependencySerialization;
 use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\Core\StringTranslation\TranslationInterface;
 
 /**
@@ -18,12 +19,7 @@
  */
 abstract class EntityControllerBase extends DependencySerialization {
 
-  /**
-   * The translation manager service.
-   *
-   * @var \Drupal\Core\StringTranslation\TranslationInterface
-   */
-  protected $translationManager;
+  use StringTranslationTrait;
 
   /**
    * The module handler to invoke hooks on.
@@ -33,32 +29,6 @@
   protected $moduleHandler;
 
   /**
-   * Gets the translation manager.
-   *
-   * @return \Drupal\Core\StringTranslation\TranslationInterface
-   *   The translation manager.
-   */
-  protected function translationManager() {
-    if (!$this->translationManager) {
-      $this->translationManager = \Drupal::translation();
-    }
-    return $this->translationManager;
-  }
-
-  /**
-   * Sets the translation manager for this controller.
-   *
-   * @param \Drupal\Core\StringTranslation\TranslationInterface $translation_manager
-   *   The translation manager.
-   *
-   * @return $this
-   */
-  public function setTranslationManager(TranslationInterface $translation_manager) {
-    $this->translationManager = $translation_manager;
-    return $this;
-  }
-
-  /**
    * Returns the module handler.
    *
    * @return \Drupal\Core\Extension\ModuleHandlerInterface
diff --git a/core/lib/Drupal/Core/Entity/EntityListController.php b/core/lib/Drupal/Core/Entity/EntityListController.php
index 0703f50..f1951bb 100644
--- a/core/lib/Drupal/Core/Entity/EntityListController.php
+++ b/core/lib/Drupal/Core/Entity/EntityListController.php
@@ -8,7 +8,6 @@
 namespace Drupal\Core\Entity;
 
 use Drupal\Core\Extension\ModuleHandlerInterface;
-use Drupal\Core\StringTranslation\TranslationInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Drupal\Component\Utility\String;
 
@@ -186,15 +185,6 @@ public function render() {
   }
 
   /**
-   * Translates a string to the current language or to a given language.
-   *
-   * See the t() documentation for details.
-   */
-  protected function t($string, array $args = array(), array $options = array()) {
-    return $this->translationManager()->translate($string, $args, $options);
-  }
-
-  /**
    * Returns the title of the page.
    *
    * @return string
diff --git a/core/lib/Drupal/Core/Form/FormBase.php b/core/lib/Drupal/Core/Form/FormBase.php
index 93abb5b..fa5d2df 100644
--- a/core/lib/Drupal/Core/Form/FormBase.php
+++ b/core/lib/Drupal/Core/Form/FormBase.php
@@ -11,7 +11,7 @@
 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
 use Drupal\Core\DependencyInjection\DependencySerialization;
 use Drupal\Core\Routing\UrlGeneratorInterface;
-use Drupal\Core\StringTranslation\TranslationInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
 
@@ -20,12 +20,7 @@
  */
 abstract class FormBase extends DependencySerialization implements FormInterface, ContainerInjectionInterface {
 
-  /**
-   * The translation manager service.
-   *
-   * @var \Drupal\Core\StringTranslation\TranslationInterface
-   */
-  protected $translationManager;
+  use StringTranslationTrait;
 
   /**
    * The current request.
@@ -70,15 +65,6 @@ public function validateForm(array &$form, array &$form_state) {
   }
 
   /**
-   * Translates a string to the current language or to a given language.
-   *
-   * See the t() documentation for details.
-   */
-  protected function t($string, array $args = array(), array $options = array()) {
-    return $this->translationManager()->translate($string, $args, $options);
-  }
-
-  /**
    * Generates a URL or path for a specific route based on the given parameters.
    *
    * @see \Drupal\Core\Routing\UrlGeneratorInterface::generateFromRoute() for
@@ -92,19 +78,6 @@ public function url($route_name, $route_parameters = array(), $options = array()
   }
 
   /**
-   * Gets the translation manager.
-   *
-   * @return \Drupal\Core\StringTranslation\TranslationInterface
-   *   The translation manager.
-   */
-  protected function translationManager() {
-    if (!$this->translationManager) {
-      $this->translationManager = $this->container()->get('string_translation');
-    }
-    return $this->translationManager;
-  }
-
-  /**
    * Retrieves a configuration object.
    *
    * This is the main entry point to the configuration API. Calling
@@ -128,19 +101,6 @@ protected function config($name) {
   }
 
   /**
-   * Sets the translation manager for this form.
-   *
-   * @param \Drupal\Core\StringTranslation\TranslationInterface $translation_manager
-   *   The translation manager.
-   *
-   * @return $this
-   */
-  public function setTranslationManager(TranslationInterface $translation_manager) {
-    $this->translationManager = $translation_manager;
-    return $this;
-  }
-
-  /**
    * Sets the config factory for this form.
    *
    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
diff --git a/core/lib/Drupal/Core/Form/FormBuilder.php b/core/lib/Drupal/Core/Form/FormBuilder.php
index 49692d9..49edc7c 100644
--- a/core/lib/Drupal/Core/Form/FormBuilder.php
+++ b/core/lib/Drupal/Core/Form/FormBuilder.php
@@ -18,6 +18,7 @@
 use Drupal\Core\Render\Element;
 use Drupal\Core\Routing\UrlGeneratorInterface;
 use Drupal\Core\StringTranslation\TranslationInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\Core\Url;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;
@@ -32,6 +33,8 @@
  */
 class FormBuilder implements FormBuilderInterface {
 
+  use StringTranslationTrait;
+
   /**
    * The module handler.
    *
@@ -61,13 +64,6 @@ class FormBuilder implements FormBuilderInterface {
   protected $urlGenerator;
 
   /**
-   * The translation manager service.
-   *
-   * @var \Drupal\Core\StringTranslation\TranslationInterface
-   */
-  protected $translationManager;
-
-  /**
    * The current request.
    *
    * @var \Symfony\Component\HttpFoundation\Request
@@ -1779,15 +1775,6 @@ protected function currentUser() {
   }
 
   /**
-   * Translates a string to the current language or to a given language.
-   *
-   * See the t() documentation for details.
-   */
-  protected function t($string, array $args = array(), array $options = array()) {
-    return $this->translationManager->translate($string, $args, $options);
-  }
-
-  /**
    * {@inheritdoc}
    */
   public function setRequest(Request $request) {
diff --git a/core/lib/Drupal/Core/Plugin/PluginBase.php b/core/lib/Drupal/Core/Plugin/PluginBase.php
index f0bce24..d672042 100644
--- a/core/lib/Drupal/Core/Plugin/PluginBase.php
+++ b/core/lib/Drupal/Core/Plugin/PluginBase.php
@@ -8,7 +8,7 @@
 namespace Drupal\Core\Plugin;
 
 use Drupal\Component\Plugin\PluginBase as ComponentPluginBase;
-use Drupal\Core\StringTranslation\TranslationInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -16,6 +16,8 @@
  */
 abstract class PluginBase extends ComponentPluginBase {
 
+  use StringTranslationTrait;
+
   /**
    * An array of service IDs keyed by property name used for serialization.
    *
@@ -27,49 +29,6 @@
   protected $_serviceIds = array();
 
   /**
-   * The translation manager service.
-   *
-   * @var \Drupal\Core\StringTranslation\TranslationInterface
-   */
-  protected $translationManager;
-
-  /**
-   * Translates a string to the current language or to a given language.
-   *
-   * See the t() documentation for details.
-   */
-  protected function t($string, array $args = array(), array $options = array()) {
-    return $this->translationManager()->translate($string, $args, $options);
-  }
-
-  /**
-   * Gets the translation manager.
-   *
-   * @return \Drupal\Core\StringTranslation\TranslationInterface
-   *   The translation manager.
-   */
-  protected function translationManager() {
-    if (!$this->translationManager) {
-      $this->translationManager = \Drupal::getContainer()->get('string_translation');
-    }
-    return $this->translationManager;
-  }
-
-  /**
-   * Sets the translation manager for this plugin.
-   *
-   * @param \Drupal\Core\StringTranslation\TranslationInterface $translation_manager
-   *   The translation manager.
-   *
-   * @return self
-   *   The plugin object.
-   */
-  public function setTranslationManager(TranslationInterface $translation_manager) {
-    $this->translationManager = $translation_manager;
-    return $this;
-  }
-
-  /**
    * {@inheritdoc}
    *
    * @todo Remove when Drupal\Core\DependencyInjection\DependencySerialization
diff --git a/core/lib/Drupal/Core/StringTranslation/StringTranslationTrait.php b/core/lib/Drupal/Core/StringTranslation/StringTranslationTrait.php
new file mode 100644
index 0000000..7a53c68
--- /dev/null
+++ b/core/lib/Drupal/Core/StringTranslation/StringTranslationTrait.php
@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\StringTranslation\StringTranslationTrait.
+ */
+
+namespace Drupal\Core\StringTranslation;
+
+/**
+ * Provides a t() method to use when translating strings in an object context.
+ */
+trait StringTranslationTrait {
+
+  /**
+   * The translation manager.
+   *
+   * @var \Drupal\Core\StringTranslation\TranslationInterface
+   */
+  protected $translationManager;
+
+  /**
+   * Translates a string to the current language or to a given language.
+   *
+   * See the t() documentation for details.
+   */
+  protected function t($string, array $args = array(), array $options = array()) {
+    return $this->getTranslationManager()->translate($string, $args, $options);
+  }
+
+  /**
+   * Gets the translation manager.
+   *
+   * @return \Drupal\Core\StringTranslation\TranslationInterface
+   *   The translation manager.
+   */
+  protected function getTranslationManager() {
+    if (!$this->translationManager) {
+      $this->translationManager = \Drupal::service('string_translation');
+    }
+    return $this->translationManager;
+  }
+
+ /**
+   * Sets the string translation service to use.
+   *
+   * @param \Drupal\Core\StringTranslation\TranslationInterface $translation
+   *   The string translation service.
+   */
+  public function setTranslationManager(TranslationInterface $translation) {
+    $this->translationManager = $translation;
+  }
+
+}
diff --git a/core/modules/block/lib/Drupal/block/Plugin/Type/BlockManager.php b/core/modules/block/lib/Drupal/block/Plugin/Type/BlockManager.php
index a1187a6..5b793df 100644
--- a/core/modules/block/lib/Drupal/block/Plugin/Type/BlockManager.php
+++ b/core/modules/block/lib/Drupal/block/Plugin/Type/BlockManager.php
@@ -11,6 +11,7 @@
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\Language\LanguageManager;
 use Drupal\Core\Plugin\DefaultPluginManager;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\Core\StringTranslation\TranslationInterface;
 
 /**
@@ -22,6 +23,8 @@
  */
 class BlockManager extends DefaultPluginManager {
 
+  use StringTranslationTrait;
+
   /**
    * An array of all available modules and their data.
    *
@@ -30,13 +33,6 @@ class BlockManager extends DefaultPluginManager {
   protected $moduleData;
 
   /**
-   * The translation manager.
-   *
-   * @var \Drupal\Core\StringTranslation\TranslationInterface
-   */
-  protected $translationManager;
-
-  /**
    * Constructs a new \Drupal\block\Plugin\Type\BlockManager object.
    *
    * @param \Traversable $namespaces
@@ -99,15 +95,6 @@ protected function getModuleName($module) {
   }
 
   /**
-   * Translates a string to the current language or to a given language.
-   *
-   * See the t() documentation for details.
-   */
-  protected function t($string, array $args = array(), array $options = array()) {
-    return $this->translationManager->translate($string, $args, $options);
-  }
-
-  /**
    * Gets the names of all block categories.
    *
    * @return array
diff --git a/core/modules/book/lib/Drupal/book/BookManager.php b/core/modules/book/lib/Drupal/book/BookManager.php
index 8edd4d7..33ff7af 100644
--- a/core/modules/book/lib/Drupal/book/BookManager.php
+++ b/core/modules/book/lib/Drupal/book/BookManager.php
@@ -21,6 +21,8 @@
  */
 class BookManager {
 
+  use StringTranslationTrait;
+
   /**
    * Database Service Object.
    *
@@ -36,13 +38,6 @@ class BookManager {
   protected $entityManager;
 
   /**
-   * The translation service.
-   *
-   * @var \Drupal\Core\StringTranslation\TranslationInterface
-   */
-  protected $translation;
-
-  /**
    * Config Factory Service Object.
    *
    * @var \Drupal\Core\Config\ConfigFactoryInterface
@@ -62,7 +57,7 @@ class BookManager {
   public function __construct(Connection $connection, EntityManagerInterface $entity_manager, TranslationInterface $translation, ConfigFactoryInterface $config_factory) {
     $this->connection = $connection;
     $this->entityManager = $entity_manager;
-    $this->translation =  $translation;
+    $this->translationManager=  $translation;
     $this->configFactory = $config_factory;
   }
 
@@ -357,15 +352,6 @@ public function updateOutline(NodeInterface $node) {
     return FALSE;
   }
 
-/**
-   * Translates a string to the current language or to a given language.
-   *
-   * See the t() documentation for details.
-   */
-  protected function t($string, array $args = array(), array $options = array()) {
-    return $this->translation->translate($string, $args, $options);
-  }
-
   /**
    * Generates the corresponding menu name from a book ID.
    *
diff --git a/core/modules/forum/lib/Drupal/forum/ForumManager.php b/core/modules/forum/lib/Drupal/forum/ForumManager.php
index bcc7372..4182693 100644
--- a/core/modules/forum/lib/Drupal/forum/ForumManager.php
+++ b/core/modules/forum/lib/Drupal/forum/ForumManager.php
@@ -10,6 +10,7 @@
 use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Database\Connection;
 use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\Core\StringTranslation\TranslationInterface;
 use Drupal\comment\CommentInterface;
 use Drupal\field\FieldInfo;
@@ -20,6 +21,8 @@
  */
 class ForumManager implements ForumManagerInterface {
 
+  use StringTranslationTrait;
+
   /**
    * Forum sort order, newest first.
    */
@@ -104,13 +107,6 @@ class ForumManager implements ForumManagerInterface {
   protected $fieldInfo;
 
   /**
-   * Translation manager service.
-   *
-   * @var \Drupal\Core\StringTranslation\TranslationInterface
-   */
-  protected $translationManager;
-
-  /**
    * Constructs the forum manager service.
    *
    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
@@ -551,13 +547,4 @@ public function updateIndex($nid) {
     }
   }
 
-  /**
-   * Translates a string to the current language or to a given language.
-   *
-   * See the t() documentation for details.
-   */
-  protected function t($string, array $args = array(), array $options = array()) {
-    return $this->translationManager->translate($string, $args, $options);
-  }
-
 }
diff --git a/core/tests/Drupal/Tests/Core/StringTranslation/StringTranslationTraitMock.php b/core/tests/Drupal/Tests/Core/StringTranslation/StringTranslationTraitMock.php
new file mode 100644
index 0000000..1cfb280
--- /dev/null
+++ b/core/tests/Drupal/Tests/Core/StringTranslation/StringTranslationTraitMock.php
@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\StringTranslation\StringTranslationTraitMock.
+ */
+
+namespace Drupal\Tests\Core\StringTranslation;
+
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+
+/**
+ * A mock class that uses the StringTranslationTrait for unit tests.
+ */
+class StringTranslationTraitMock {
+
+  use StringTranslationTrait;
+
+}
diff --git a/core/tests/Drupal/Tests/Core/StringTranslation/StringTranslationTraitTest.php b/core/tests/Drupal/Tests/Core/StringTranslation/StringTranslationTraitTest.php
new file mode 100644
index 0000000..ece2a13
--- /dev/null
+++ b/core/tests/Drupal/Tests/Core/StringTranslation/StringTranslationTraitTest.php
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\Core\StringTranslation\StringTranslationTraitTest.
+ */
+
+namespace Drupal\Tests\Core\StringTranslation;
+
+use Drupal\Tests\UnitTestCase;
+use Drupal\Tests\Core\StringTranslation\StringTranslationTraitMock;
+
+/**
+ * Tests the string translation trait.
+ *
+ * @see \Drupal\Core\StringTranslation\StringTranslationTrait
+ *
+ * @group Drupal
+ * @group StringTranslation
+ */
+class StringTranslationTraitTest extends UnitTestCase {
+
+  public static function getInfo() {
+    return array(
+      'name' => 'String translation trait',
+      'description' => 'Tests the string translation trait.',
+      'group' => 'StringTranslation',
+    );
+  }
+
+  public function testT() {
+    $method = (new \ReflectionClass('\Drupal\Tests\Core\StringTranslation\StringTranslationTraitMock'))->getMethod('t');
+    $method->setAccessible(TRUE);
+
+    $translation = new StringTranslationTraitMock();
+    $translation->setTranslationManager($this->getStringTranslationStub());
+    $this->assertEquals('something', $method->invoke($translation, 'something'));
+  }
+
+}