Add missing tracing to RtpSender objects.

webrtc/media/engine/webrtcvideoengine2.cc

 /*
  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 865 matching lines @@
                     << ssrc << " which doesn't exist.";
     return webrtc::RtpParameters();
   }
 
   return it->second->GetRtpParameters();
 }
 
 bool WebRtcVideoChannel2::SetRtpParameters(
     uint32_t ssrc,
     const webrtc::RtpParameters& parameters) {
+  TRACE_EVENT0("webrtc", "WebRtcVideoChannel2::SetRtpParameters");
   rtc::CritScope stream_lock(&stream_crit_);
   auto it = send_streams_.find(ssrc);
   if (it == send_streams_.end()) {
     LOG(LS_ERROR) << "Attempting to set RTP parameters for stream with ssrc "
                   << ssrc << " which doesn't exist.";
     return false;
   }
 
   return it->second->SetRtpParameters(parameters);
 }
@@ skipping 82 matching lines @@
 bool WebRtcVideoChannel2::GetSendCodec(VideoCodec* codec) {
   if (!send_codec_) {
     LOG(LS_VERBOSE) << "GetSendCodec: No send codec set.";
     return false;
   }
   *codec = send_codec_->codec;
   return true;
 }
 
 bool WebRtcVideoChannel2::SetSend(bool send) {
+  TRACE_EVENT0("webrtc", "WebRtcVideoChannel2::SetSend");
   LOG(LS_VERBOSE) << "SetSend: " << (send ? "true" : "false");
   if (send && !send_codec_) {
     LOG(LS_ERROR) << "SetSend(true) called before setting codec.";
     return false;
   }
   {
     rtc::CritScope stream_lock(&stream_crit_);
     for (const auto& kv : send_streams_) {
       kv.second->SetSend(send);
     }
@@ skipping 1567 matching lines @@
         rtx_mapping[video_codecs[i].codec.id] !=
             fec_settings.red_payload_type) {
       video_codecs[i].rtx_payload_type = rtx_mapping[video_codecs[i].codec.id];
     }
   }
 
   return video_codecs;
 }
 
 }  // namespace cricket