Change ForwardErrorCorrection class to accept one received packet at a time.

modules/rtp_rtcp/source/ulpfec_receiver_impl.h

Index: modules/rtp_rtcp/source/ulpfec_receiver_impl.h
diff --git a/modules/rtp_rtcp/source/ulpfec_receiver_impl.h b/modules/rtp_rtcp/source/ulpfec_receiver_impl.h
index 8a82ec0ae175848498335d79802abdc4992ee20d..09e572861353264083bdcfc61d9f29b7869c67a2 100644
--- a/modules/rtp_rtcp/source/ulpfec_receiver_impl.h
+++ b/modules/rtp_rtcp/source/ulpfec_receiver_impl.h
@@ -12,6 +12,7 @@
 #define MODULES_RTP_RTCP_SOURCE_ULPFEC_RECEIVER_IMPL_H_
 
 #include <memory>
+#include <vector>
 
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "modules/rtp_rtcp/include/ulpfec_receiver.h"
@@ -44,7 +45,11 @@ class UlpfecReceiverImpl : public UlpfecReceiver {
   // TODO(holmer): In the current version |received_packets_| is never more
   // than one packet, since we process FEC every time a new packet
   // arrives. We should remove the list.
-  ForwardErrorCorrection::ReceivedPacketList received_packets_;
+  // TODO(nisse): But it looks like

[stefan-webrtc, 2017/09/15 13:36:13]

Please update the existing TODO instead if it's no longer correct.

[stefan-webrtc, 2017/09/15 13:36:13]

Please update the existing TODO instead if it's no longer correct.

[nisse-webrtc, 2017/09/18 12:39:06]

Done.

+  // UlpfecReceiverImpl::AddReceivedRedPacket may add two packets to
+  // the list.
+  std::vector<std::unique_ptr<ForwardErrorCorrection::ReceivedPacket>>
+      received_packets_;
   ForwardErrorCorrection::RecoveredPacketList recovered_packets_;
   FecPacketCounter packet_counter_;
 };