Let PacketRouter separate send and receive modules.

webrtc/audio/audio_send_stream_unittest.cc

 /*
  *  Copyright (c) 2015 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 138 matching lines @@
       EXPECT_CALL(*channel_proxy_, RegisterSenderCongestionControlObjects(
                                        send_side_cc_.pacer(), &send_side_cc_,
                                        packet_router(), Ne(nullptr)))
           .Times(1);
     } else {
       EXPECT_CALL(*channel_proxy_, RegisterSenderCongestionControlObjects(
                                        send_side_cc_.pacer(), &send_side_cc_,
                                        packet_router(), Eq(nullptr)))
           .Times(1);
     }
-    EXPECT_CALL(*channel_proxy_, ResetCongestionControlObjects()).Times(1);
+    EXPECT_CALL(*channel_proxy_, ResetSenderCongestionControlObjects())
+        .Times(1);
     EXPECT_CALL(*channel_proxy_, RegisterExternalTransport(nullptr)).Times(1);
     EXPECT_CALL(*channel_proxy_, DeRegisterExternalTransport()).Times(1);
     EXPECT_CALL(*channel_proxy_, SetRtcEventLog(testing::NotNull())).Times(1);
     EXPECT_CALL(*channel_proxy_, SetRtcEventLog(testing::IsNull()))
         .Times(1);  // Destructor resets the event log
     EXPECT_CALL(*channel_proxy_, SetRtcpRttStats(&rtcp_rtt_stats_)).Times(1);
     EXPECT_CALL(*channel_proxy_, SetRtcpRttStats(testing::IsNull()))
         .Times(1);  // Destructor resets the rtt stats.
   }
 
@@ skipping 290 matching lines @@
   internal::AudioSendStream send_stream(
       helper.config(), helper.audio_state(), helper.worker_queue(),
       helper.packet_router(), helper.send_side_cc(), helper.bitrate_allocator(),
       helper.event_log(), helper.rtcp_rtt_stats());
   EXPECT_CALL(*helper.channel_proxy(), SetBitrate(_, 5000));
   send_stream.OnBitrateUpdated(50000, 0.0, 50, 5000);
 }
 
 }  // namespace test
 }  // namespace webrtc