Prepare the AudioSendStream to be hooked up to send-side BWE.

webrtc/test/mock_voe_channel_proxy.h

Index: webrtc/test/mock_voe_channel_proxy.h
diff --git a/webrtc/test/mock_voe_channel_proxy.h b/webrtc/test/mock_voe_channel_proxy.h
index a0f0464111635a513521afca2ec9c5c27a96056f..b5d79c18eacb9fad66074ed0d9f41dced24cf126 100644
--- a/webrtc/test/mock_voe_channel_proxy.h
+++ b/webrtc/test/mock_voe_channel_proxy.h
@@ -25,8 +25,13 @@ class MockVoEChannelProxy : public voe::ChannelProxy {
   MOCK_METHOD1(SetRTCP_CNAME, void(const std::string& c_name));
   MOCK_METHOD2(SetSendAbsoluteSenderTimeStatus, void(bool enable, int id));
   MOCK_METHOD2(SetSendAudioLevelIndicationStatus, void(bool enable, int id));
+  MOCK_METHOD1(EnableSendTransportSequenceNumber, void(int id));
   MOCK_METHOD2(SetReceiveAbsoluteSenderTimeStatus, void(bool enable, int id));
   MOCK_METHOD2(SetReceiveAudioLevelIndicationStatus, void(bool enable, int id));
+  MOCK_METHOD3(SetCongestionControlObjects,
+               void(RtpPacketSender* rtp_packet_sender,
+                    TransportFeedbackObserver* transport_feedback_observer,
+                    PacketRouter* seq_num_allocator));
   MOCK_CONST_METHOD0(GetRTCPStatistics, CallStatistics());
   MOCK_CONST_METHOD0(GetRemoteRTCPReportBlocks, std::vector<ReportBlock>());
   MOCK_CONST_METHOD0(GetNetworkStatistics, NetworkStatistics());