Protected streams report RTP messages directly to the FlexFec streams

webrtc/call/flexfec_receive_stream.h

Index: webrtc/call/flexfec_receive_stream.h
diff --git a/webrtc/call/flexfec_receive_stream.h b/webrtc/call/flexfec_receive_stream.h
index 353811a92262924481d899a8afa0791e6436210f..befa7dccb6f73d41ae2ab9b0087631e29fc25c1d 100644
--- a/webrtc/call/flexfec_receive_stream.h
+++ b/webrtc/call/flexfec_receive_stream.h
@@ -17,13 +17,14 @@
 #include <vector>
 
 #include "webrtc/api/call/transport.h"
+#include "webrtc/call/rtp_packet_sink_interface.h"
 #include "webrtc/config.h"
 
 namespace webrtc {
 
-class FlexfecReceiveStream {
+class FlexfecReceiveStream : public RtpPacketSinkInterface {
  public:
-  virtual ~FlexfecReceiveStream() = default;
+  ~FlexfecReceiveStream() override = default;
 
   struct Stats {
     std::string ToString(int64_t time_ms) const;