Initial implementation of RtpTransportControllerReceive and related interfaces.

webrtc/call/flexfec_receive_stream_impl.cc

Index: webrtc/call/flexfec_receive_stream_impl.cc
diff --git a/webrtc/call/flexfec_receive_stream_impl.cc b/webrtc/call/flexfec_receive_stream_impl.cc
index fcfb3ef7ae3f72aa84bf208ed8d8108d53fe7363..03df5f1f4583f8c9983a46b4f02169aa2cfad295 100644
--- a/webrtc/call/flexfec_receive_stream_impl.cc
+++ b/webrtc/call/flexfec_receive_stream_impl.cc
@@ -127,6 +127,7 @@ FlexfecReceiveStreamImpl::FlexfecReceiveStreamImpl(
     RtcpRttStats* rtt_stats,
     ProcessThread* process_thread)
     : config_(config),
+      rtp_header_extensions_(config.rtp_header_extensions),
       started_(false),
       receiver_(MaybeCreateFlexfecReceiver(config_, recovered_packet_receiver)),
       rtp_receive_statistics_(
@@ -150,6 +151,12 @@ FlexfecReceiveStreamImpl::~FlexfecReceiveStreamImpl() {
   process_thread_->DeRegisterModule(rtp_rtcp_.get());
 }
 
+bool FlexfecReceiveStreamImpl::OnRtpPacketReceive(RtpPacketReceived* packet) {
+  packet->IdentifyExtensions(rtp_header_extensions_);
+  OnRtpPacket(*packet);
+  return true;
+}
+
 void FlexfecReceiveStreamImpl::OnRtpPacket(const RtpPacketReceived& packet) {
   {
     rtc::CritScope cs(&crit_);