From 2080582a75769db4b9e32b241ec0da90c05af6a6 Mon Sep 17 00:00:00 2001
From: Antoine Bellion <antoinebellion@msn.com>
Date: Fri, 29 Sep 2017 13:45:44 +0200
Subject: [PATCH] [HttpFoundation] Return instance in StreamedResponse

---
 .../HttpFoundation/StreamedResponse.php          | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/HttpFoundation/StreamedResponse.php b/src/Symfony/Component/HttpFoundation/StreamedResponse.php
index 928531309a..cd86be1363 100644
--- a/src/Symfony/Component/HttpFoundation/StreamedResponse.php
+++ b/src/Symfony/Component/HttpFoundation/StreamedResponse.php
@@ -66,16 +66,22 @@ class StreamedResponse extends Response
      * Sets the PHP callback associated with this Response.
      *
      * @param callable $callback A valid PHP callback
+     *
+     * @return $this
      */
     public function setCallback(callable $callback)
     {
         $this->callback = $callback;
+
+        return $this;
     }
 
     /**
      * {@inheritdoc}
      *
      * This method only sends the headers once.
+     *
+     * @return $this
      */
     public function sendHeaders()
     {
@@ -85,13 +91,15 @@ class StreamedResponse extends Response
 
         $this->headersSent = true;
 
-        parent::sendHeaders();
+        return parent::sendHeaders();
     }
 
     /**
      * {@inheritdoc}
      *
      * This method only sends the content once.
+     *
+     * @return $this
      */
     public function sendContent()
     {
@@ -106,18 +114,24 @@ class StreamedResponse extends Response
         }
 
         call_user_func($this->callback);
+
+        return $this;
     }
 
     /**
      * {@inheritdoc}
      *
      * @throws \LogicException when the content is not null
+     *
+     * @return $this
      */
     public function setContent($content)
     {
         if (null !== $content) {
             throw new \LogicException('The content cannot be set on a StreamedResponse instance.');
         }
+
+        return $this;
     }
 
     /**