Set actual transport overhead in rtp_rtcp

webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h

Index: webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h
index 482cfb09d4115e810dc439190f774e02270ff9f6..8653a017baff129587a3547a9a05e24440d18fbe 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h
@@ -210,10 +210,13 @@ class ModuleRtpRtcpImpl : public RtpRtcp, public RTCPReceiver::ModuleRtpRtcp {
 
   int32_t SetMaxTransferUnit(uint16_t size) override;
 
+  // TODO(michaelt): deprecate the function.
   int32_t SetTransportOverhead(bool tcp,
                                bool ipv6,
                                uint8_t authentication_overhead = 0) override;
 
+  void SetTransportOverhead(int transport_overhead_per_packet_byte) override;
+
   // (NACK) Negative acknowledgment part.
 
   int SelectiveRetransmissions() const override;