Reland of Only compare sequence numbers from the same SSRC in ForwardErrorCorrection.

webrtc/modules/rtp_rtcp/source/ulpfec_receiver_unittest.cc

Index: webrtc/modules/rtp_rtcp/source/ulpfec_receiver_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/ulpfec_receiver_unittest.cc b/webrtc/modules/rtp_rtcp/source/ulpfec_receiver_unittest.cc
index 6f9243429d0e55355c93cbc9de27a56918073ddf..7a9c446a22209917a18087589d34f3ddcc697072 100644
--- a/webrtc/modules/rtp_rtcp/source/ulpfec_receiver_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/ulpfec_receiver_unittest.cc
@@ -48,8 +48,9 @@ class NullRecoveredPacketReceiver : public RecoveredPacketReceiver {
 class UlpfecReceiverTest : public ::testing::Test {
  protected:
   UlpfecReceiverTest()
-      : fec_(ForwardErrorCorrection::CreateUlpfec()),
-        receiver_fec_(UlpfecReceiver::Create(&recovered_packet_receiver_)),
+      : fec_(ForwardErrorCorrection::CreateUlpfec(kMediaSsrc)),
+        receiver_fec_(
+            UlpfecReceiver::Create(kMediaSsrc, &recovered_packet_receiver_)),
         packet_generator_(kMediaSsrc) {}
 
   // Generates |num_fec_packets| FEC packets, given |media_packets|.
@@ -179,7 +180,7 @@ void UlpfecReceiverTest::SurvivesMaliciousPacket(const uint8_t* data,
 
   NullRecoveredPacketReceiver null_callback;
   std::unique_ptr<UlpfecReceiver> receiver_fec(
-      UlpfecReceiver::Create(&null_callback));
+      UlpfecReceiver::Create(kMediaSsrc, &null_callback));
 
   receiver_fec->AddReceivedRedPacket(header, data, length, ulpfec_payload_type);
 }