Add MediaStreamSource frame rate calculation to the tracker.

content/renderer/media/peer_connection_tracker.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 #include "content/renderer/media/peer_connection_tracker.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/common/media/peer_connection_tracker_messages.h"
 #include "content/renderer/media/rtc_media_constraints.h"
 #include "content/renderer/media/rtc_peer_connection_handler.h"
@@ skipping 509 matching lines @@
       GetNativeMediaConstraints(user_media_request.videoConstraints()));
 
   RenderThreadImpl::current()->Send(new PeerConnectionTrackerHost_GetUserMedia(
       user_media_request.securityOrigin().toString().utf8(),
       user_media_request.audio(),
       user_media_request.video(),
       SerializeMediaConstraints(audio_constraints),
       SerializeMediaConstraints(video_constraints)));
 }
 
+void PeerConnectionTracker::TrackAddVideoStats(const std::string& video_id,
+                                               float input_frame_rate,
+                                               int number_of_dropped_frames) {
+  RenderThreadImpl::current()->Send(new PeerConnectionTrackerHost_AddVideoStats(
+      video_id, input_frame_rate, number_of_dropped_frames));
+}
+
 int PeerConnectionTracker::GetNextLocalID() {
   return next_lid_++;
 }
 
 void PeerConnectionTracker::SendPeerConnectionUpdate(
     RTCPeerConnectionHandler* pc_handler,
     const std::string& type,
     const std::string& value) {
   if (peer_connection_id_map_.find(pc_handler) == peer_connection_id_map_.end())
     return;
 
   RenderThreadImpl::current()->Send(
       new PeerConnectionTrackerHost_UpdatePeerConnection(
           peer_connection_id_map_[pc_handler], type, value));
 }
 
 }  // namespace content