Protected streams report RTP messages directly to the FlexFec streams

webrtc/video/rtp_video_stream_receiver.h

Index: webrtc/video/rtp_video_stream_receiver.h
diff --git a/webrtc/video/rtp_video_stream_receiver.h b/webrtc/video/rtp_video_stream_receiver.h
index afcc696da16e78abdfe3a0729cca448d25c5aee7..a7e1a69637c1cf11abb141d708c12d6b7a291b8b 100644
--- a/webrtc/video/rtp_video_stream_receiver.h
+++ b/webrtc/video/rtp_video_stream_receiver.h
@@ -142,6 +142,9 @@ class RtpVideoStreamReceiver : public RtpData,
   rtc::Optional<int64_t> LastReceivedPacketMs() const;
   rtc::Optional<int64_t> LastReceivedKeyframePacketMs() const;
 
+  void AddSecondarySink(RtpPacketSinkInterface* sink);
+  void RemoveSecondarySink(const RtpPacketSinkInterface* sink);
+
  private:
   bool AddReceiveCodec(const VideoCodec& video_codec);
   void ReceivePacket(const uint8_t* packet,
@@ -201,6 +204,8 @@ class RtpVideoStreamReceiver : public RtpData,
   int16_t last_payload_type_ = -1;
 
   bool has_received_frame_;
+
+  std::vector<RtpPacketSinkInterface*> secondary_sinks_;
 };
 
 }  // namespace webrtc