The following revision refers to this bug:
  https://chromium.googlesource.com/external/webrtc.git/+/8f4c77fea10010b5879a01bf6fcd485318594a85

commit 8f4c77fea10010b5879a01bf6fcd485318594a85
Author: stefan <stefan@webrtc.org>
Date: Fri Jun 03 07:16:45 2016

Always send RED headers if configured.

This shouldn't be needed, but because the receiver assumes RTX packets
contain RED if configured to receive them (due to an incompatibility
issue), we also have to make sure we send them for now.

BUG= webrtc:5675 

Review-Url: https://codereview.webrtc.org/2033763002
Cr-Commit-Position: refs/heads/master@{#13024}

[modify] https://crrev.com/8f4c77fea10010b5879a01bf6fcd485318594a85/webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc
[modify] https://crrev.com/8f4c77fea10010b5879a01bf6fcd485318594a85/webrtc/video/video_send_stream.cc
[modify] https://crrev.com/8f4c77fea10010b5879a01bf6fcd485318594a85/webrtc/video/video_send_stream_tests.cc

Corresponding webrtc bug:
https://bugs.chromium.org/p/webrtc/issues/detail?id=5675

Your change meets the bar and is auto-approved for M52 (branch: 2743)

Merged in https://chromium.googlesource.com/external/webrtc.git/+/3446611ec58e3e218371debc798899fac7ff2e00, I forgot the BUG= label.