Add MediaStreamSource frame rate calculation to the tracker.

content/common/media/peer_connection_tracker_messages.h

 // 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 "base/values.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_message_macros.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
@@ skipping 19 matching lines @@
                      int /* lid */,
                      base::ListValue /* value */)
 IPC_MESSAGE_CONTROL5(PeerConnectionTrackerHost_GetUserMedia,
                      std::string /*origin*/,
                      bool /*audio*/,
                      bool /*video*/,
                      // The constraints strings are for dispaly only and should
                      // not be parsed by the browser for security reasons.
                      std::string /* audio_constraints */,
                      std::string /* video_constraints */)
+IPC_MESSAGE_CONTROL3(PeerConnectionTrackerHost_AddVideoStats,
+                     std::string /* video_id */,
+                     float /* input_frame_rate */,
+                     int /* number_of_dropped_frames */)
 
 // Messages sent to PeerConnectionTracker.
 IPC_MESSAGE_CONTROL0(PeerConnectionTracker_GetAllStats)
 IPC_MESSAGE_CONTROL0(PeerConnectionTracker_OnSuspend)