Changed LogRtpHeader to read the header length from the packet

webrtc/video/rtc_event_log.h

Index: webrtc/video/rtc_event_log.h
diff --git a/webrtc/video/rtc_event_log.h b/webrtc/video/rtc_event_log.h
index a6bf2e3d8836d2b7e0ee6f0ca702f56ffc48c366..a58d745ecffe0fb0964a499b110e9ed86eea980e 100644
--- a/webrtc/video/rtc_event_log.h
+++ b/webrtc/video/rtc_event_log.h
@@ -54,12 +54,12 @@ class RtcEventLog {
   virtual void LogVideoSendStreamConfig(
       const webrtc::VideoSendStream::Config& config) = 0;
 
-  // Logs the header of an incoming or outgoing RTP packet.
+  // Logs the header of an incoming or outgoing RTP packet. packet_length
+  // is the total length of the packet, including both header and payload.
   virtual void LogRtpHeader(bool incoming,
                             MediaType media_type,
                             const uint8_t* header,
-                            size_t header_length,
-                            size_t total_length) = 0;
+                            size_t packet_length) = 0;
 
   // Logs an incoming or outgoing RTCP packet.
   virtual void LogRtcpPacket(bool incoming,