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 babeee0ecb64c4c93d4c961c9c3adaeb100893fb..30604f4ae34d8fb04d18dfc3cf916f05bc07cb21 100644
--- a/webrtc/call/flexfec_receive_stream.h
+++ b/webrtc/call/flexfec_receive_stream.h
@@ -17,11 +17,12 @@
 #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:
   struct Stats {
     std::string ToString(int64_t time_ms) const;
@@ -83,7 +84,7 @@ class FlexfecReceiveStream {
   virtual Stats GetStats() const = 0;
 
  protected:
-  virtual ~FlexfecReceiveStream() = default;
+  ~FlexfecReceiveStream() override = default;
 };
 
 }  // namespace webrtc