Moving overhead counting to bitrate estimators.

webrtc/modules/congestion_controller/send_side_congestion_controller.cc

Index: webrtc/modules/congestion_controller/send_side_congestion_controller.cc
diff --git a/webrtc/modules/congestion_controller/send_side_congestion_controller.cc b/webrtc/modules/congestion_controller/send_side_congestion_controller.cc
index 66035b08588ac6d4faa3b127e80f9144835b392a..892a1cb4ba8ea7186f99c95f44c8c5aa508e8fc0 100644
--- a/webrtc/modules/congestion_controller/send_side_congestion_controller.cc
+++ b/webrtc/modules/congestion_controller/send_side_congestion_controller.cc
@@ -232,10 +232,11 @@ void SendSideCongestionController::Process() {
 void SendSideCongestionController::AddPacket(
     uint32_t ssrc,
     uint16_t sequence_number,
-    size_t length,
+    size_t payload_size,
+    size_t rtp_headers_size,
     const PacedPacketInfo& pacing_info) {
-  transport_feedback_adapter_.AddPacket(ssrc, sequence_number, length,
-                                        pacing_info);
+  transport_feedback_adapter_.AddPacket(ssrc, sequence_number, payload_size,
+                                        rtp_headers_size, pacing_info);
 }
 
 void SendSideCongestionController::OnTransportFeedback(