Move responsibility for RTP header extensions on video receive.

media/engine/webrtcvideoengine.cc

Index: media/engine/webrtcvideoengine.cc
diff --git a/media/engine/webrtcvideoengine.cc b/media/engine/webrtcvideoengine.cc
index 69af25b01d71b4b148d26f901c95269a7963ceb6..045ff1410a9679abce271df7a8a7bd84bf12e392 100644
--- a/media/engine/webrtcvideoengine.cc
+++ b/media/engine/webrtcvideoengine.cc
@@ -1252,8 +1252,6 @@ void WebRtcVideoChannel::ConfigureReceiverRtp(
 
   sp.GetFidSsrc(ssrc, &config->rtp.rtx_ssrc);
 
-  config->rtp.extensions = recv_rtp_extensions_;
-
   // TODO(brandtr): Generalize when we add support for multistream protection.
   flexfec_config->payload_type = recv_flexfec_payload_type_;
   if (IsFlexfecAdvertisedFieldTrialEnabled() &&
@@ -1264,7 +1262,6 @@ void WebRtcVideoChannel::ConfigureReceiverRtp(
     // TODO(brandtr): We should be spec-compliant and set |transport_cc| here
     // based on the rtcp-fb for the FlexFEC codec, not the media codec.
     flexfec_config->transport_cc = config->rtp.transport_cc;
-    flexfec_config->rtp_header_extensions = config->rtp.extensions;
   }
 }
 
@@ -2344,12 +2341,6 @@ void WebRtcVideoChannel::WebRtcVideoReceiveStream::SetRecvParameters(
     ConfigureCodecs(*params.codec_settings, &old_decoders);
     video_needs_recreation = true;
   }
-  if (params.rtp_header_extensions) {
-    config_.rtp.extensions = *params.rtp_header_extensions;
-    flexfec_config_.rtp_header_extensions = *params.rtp_header_extensions;
-    video_needs_recreation = true;
-    flexfec_needs_recreation = true;
-  }
   if (params.flexfec_payload_type) {
     ConfigureFlexfecCodec(*params.flexfec_payload_type);
     flexfec_needs_recreation = true;