From 129cd90f61bbd7793f08fbd5fee914d4b792c59a Mon Sep 17 00:00:00 2001
From: webchick <webchick@24967.no-reply.drupal.org>
Date: Thu, 23 Jan 2014 23:02:09 -0800
Subject: [PATCH] Issue #2175517 by chx: Entity displays are themselves config
 entities.

---
 .../lib/Drupal/Core/Entity/Display/EntityDisplayInterface.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/lib/Drupal/Core/Entity/Display/EntityDisplayInterface.php b/core/lib/Drupal/Core/Entity/Display/EntityDisplayInterface.php
index b5837c70a9c..3207202d1a6 100644
--- a/core/lib/Drupal/Core/Entity/Display/EntityDisplayInterface.php
+++ b/core/lib/Drupal/Core/Entity/Display/EntityDisplayInterface.php
@@ -7,10 +7,12 @@
 
 namespace Drupal\Core\Entity\Display;
 
+use Drupal\Core\Config\Entity\ConfigEntityInterface;
+
 /**
  * Provides a common interface for entity displays.
  */
-interface EntityDisplayInterface {
+interface EntityDisplayInterface extends ConfigEntityInterface {
 
   /**
    * Creates a duplicate of the EntityDisplay object on a different view mode.