Move responsibility for RTP header extensions on video receive.

call/flexfec_receive_stream_unittest.cc

 /*
  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 45 matching lines @@
 
 }  // namespace
 
 TEST(FlexfecReceiveStreamConfigTest, IsCompleteAndEnabled) {
   MockTransport rtcp_send_transport;
   FlexfecReceiveStream::Config config(&rtcp_send_transport);
 
   config.local_ssrc = 18374743;
   config.rtcp_mode = RtcpMode::kCompound;
   config.transport_cc = true;
+#if 0
   config.rtp_header_extensions.emplace_back(TransportSequenceNumber::kUri, 7);
+#endif
   EXPECT_FALSE(config.IsCompleteAndEnabled());
 
   config.payload_type = 123;
   EXPECT_FALSE(config.IsCompleteAndEnabled());
 
   config.remote_ssrc = 238423838;
   EXPECT_FALSE(config.IsCompleteAndEnabled());
 
   config.protected_media_ssrcs.push_back(138989393);
   EXPECT_TRUE(config.IsCompleteAndEnabled());
@@ skipping 71 matching lines @@
   EXPECT_CALL(recovered_packet_receiver,
               OnRecoveredPacket(_, kRtpHeaderSize + kPayloadLength[1]));
 
   receive_stream.OnRtpPacket(ParsePacket(kFlexfecPacket));
 
   // Tear-down
   EXPECT_CALL(process_thread_, DeRegisterModule(_)).Times(1);
 }
 
 }  // namespace webrtc