diff -u b/core/modules/field/field.module b/core/modules/field/field.module
--- b/core/modules/field/field.module
+++ b/core/modules/field/field.module
@@ -445,7 +445,7 @@
  * The function takes care of invoking the prepare_view steps. It also respects
  * field access permissions.
  *
- * @param \Drupal\Core\Entity\EntityInterface $entity
+ * @param \Drupal\Core\Entity\ContentEntityInterface $entity
  *   The entity containing the field to display.
  * @param $field_name
  *   The name of the field to display.
@@ -471,7 +471,7 @@
  * The function takes care of invoking the prepare_view steps. It also respects
  * field access permissions.
  *
- * @param \Drupal\Core\Entity\ContentEntityInterface $entity
+ * @param \Drupal\Core\Entity\EntityInterface $entity
  *   The entity containing the field to display.
  * @param $field_name
  *   The name of the field to display.
diff -u b/core/modules/node/lib/Drupal/node/NodeTitleItemList.php b/core/modules/node/lib/Drupal/node/NodeTitleItemList.php
--- b/core/modules/node/lib/Drupal/node/NodeTitleItemList.php
+++ b/core/modules/node/lib/Drupal/node/NodeTitleItemList.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\node;
 
+use Drupal\Core\Field\FieldDefinition;
 use Drupal\Core\Field\FieldItemList;
 
 /**
@@ -18,11 +19,14 @@
 
   /**
    * {@inheritdoc}
+   *
+   * The typehint for $definition is a class rather than an interface, because
+   * there is no interface for setFieldLabel().
    */
-  public function __construct(array $definition, $name, NodeInterface $node) {
+  public function __construct(FieldDefinition $definition, $name, NodeInterface $node) {
     $node_type = node_type_load($node->getType());
     if (isset($node_type->title_label)) {
-      $definition['label'] = $node_type->title_label;
+      $definition->setFieldLabel($node_type->title_label);
     }
     parent::__construct($definition, $name, $node);
   }
diff -u b/core/modules/node/node.module b/core/modules/node/node.module
--- b/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -205,7 +205,8 @@
         }
       }
     }
-    // @todo Manage base field displays in the YAML.
+    // @todo Manage base field displays in the YAML:
+    //   https://drupal.org/node/2144919.
     $display->setComponent('title', array(
       'label' => 'hidden',
       'type' => 'text_default',
@@ -218,7 +219,8 @@
  */
 function node_entity_form_display_alter(EntityFormDisplay $form_display, $context) {
   if ($context['entity_type'] == 'node') {
-    // @todo Manage base field displays in the YAML.
+    // @todo Manage base field displays in the YAML:
+    //   https://drupal.org/node/2144919.
     $node_type = node_type_load($context['bundle']);
     if ($node_type->has_title) {
       // Title is also registered in node_field_extra_fields().
reverted:
--- b/core/modules/overlay/lib/Drupal/overlay/Tests/OverlayCloseTest.php
+++ a/core/modules/overlay/lib/Drupal/overlay/Tests/OverlayCloseTest.php
@@ -45,7 +45,7 @@
 
     // Create a new node, with ?render=overlay in the query parameter to
     // simulate creating it inside the overlay.
+    $this->drupalPostForm('node/add/test', array('title' => 'Test node title'), t('Save'), array('query' => array('render' => 'overlay')));
-    $this->drupalPostForm('node/add/test', array('title[0][value]' => 'Test node title'), t('Save'), array('query' => array('render' => 'overlay')));
 
     // Make sure a bare minimum HTML page is displayed that contains the
     // JavaScript necessary to close the overlay.