commit 3d505c27ececacfec108dced26507a7c1c0a8cb9
Author: Bart Feenstra <bart@mynameisbart.com>
Date:   Wed Aug 20 20:12:06 2014 +0200

    Comment 77

diff --git a/core/modules/views/src/Plugin/views/field/EntityOperations.php b/core/modules/views/src/Plugin/views/field/EntityOperations.php
index 79f6f19..332ee24 100644
--- a/core/modules/views/src/Plugin/views/field/EntityOperations.php
+++ b/core/modules/views/src/Plugin/views/field/EntityOperations.php
@@ -8,6 +8,7 @@
 namespace Drupal\views\Plugin\views\field;
 
 use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\Form\FormStateInterface;
 use Drupal\views\ResultRow;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
@@ -75,7 +76,7 @@ public function defineOptions() {
   /**
    * {@inheritdoc}
    */
-  public function buildOptionsForm(&$form, &$form_state) {
+  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     parent::buildOptionsForm($form, $form_state);
 
     $form['destination'] = array(