Parse FlexFEC RTP headers in Call and add integration with BWE.

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 384a94d1d58091e386b39344ae54888a236e5f92..05b2632fdff1d0c5de8434a8b550998d381c7147 100644
--- a/webrtc/call/flexfec_receive_stream.h
+++ b/webrtc/call/flexfec_receive_stream.h
@@ -18,18 +18,24 @@
 #include "webrtc/base/basictypes.h"
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/modules/rtp_rtcp/include/flexfec_receiver.h"
+#include "webrtc/modules/rtp_rtcp/source/rtp_packet_received.h"
 
 namespace webrtc {
 
+class RemoteBitrateEstimator;
+
 namespace internal {
 
 class FlexfecReceiveStream : public webrtc::FlexfecReceiveStream {
  public:
   FlexfecReceiveStream(const Config& config,
-                       RecoveredPacketReceiver* recovered_packet_callback);
+                       RecoveredPacketReceiver* recovered_packet_receiver,
+                       RemoteBitrateEstimator* remote_bitrate_estimator);
   ~FlexfecReceiveStream();
 
-  bool AddAndProcessReceivedPacket(const uint8_t* packet, size_t length);
+  const Config& GetConfig() const { return config_; }
+
+  bool AddAndProcessReceivedPacket(RtpPacketReceived packet);
 
   // Implements webrtc::FlexfecReceiveStream.
   void Start() override;