Set actual transport overhead in rtp_rtcp

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 2383519a859e3b6c2babb28dd784b40347c6682c..1f4b14f968c3f4109886d11abed76ab41f5f0807 100644
--- a/webrtc/test/mock_voe_channel_proxy.h
+++ b/webrtc/test/mock_voe_channel_proxy.h
@@ -57,6 +57,7 @@ class MockVoEChannelProxy : public voe::ChannelProxy {
                      const rtc::scoped_refptr<AudioDecoderFactory>&());
   MOCK_METHOD1(SetChannelOutputVolumeScaling, void(float scaling));
   MOCK_METHOD1(SetRtcEventLog, void(RtcEventLog* event_log));
+  MOCK_METHOD1(SetTransportOverhead, void(int transport_overhead_per_packet));
   MOCK_METHOD1(SetBitrate, void(int bitrate_bps));
   MOCK_METHOD1(EnableAudioNetworkAdaptor,
                void(const std::string& config_string));