Wire up transport sequence number / send time callbacks to webrtc via libjingle.

webrtc/call.h

Index: webrtc/call.h
diff --git a/webrtc/call.h b/webrtc/call.h
index 033e1a20db95f1fe8c11efe94f78cf412362ab16..e6e8cdee0bd35461e71c40dfbe9a780ba2ccb8d4 100644
--- a/webrtc/call.h
+++ b/webrtc/call.h
@@ -16,6 +16,7 @@
 #include "webrtc/common_types.h"
 #include "webrtc/audio_receive_stream.h"
 #include "webrtc/audio_send_stream.h"
+#include "webrtc/base/socket.h"
 #include "webrtc/video_receive_stream.h"
 #include "webrtc/video_send_stream.h"
 
@@ -137,6 +138,8 @@ class Call {
       const Config::BitrateConfig& bitrate_config) = 0;
   virtual void SignalNetworkState(NetworkState state) = 0;
 
+  virtual void OnSentPacket(const rtc::SentPacket& sent_packet) = 0;
+
   virtual ~Call() {}
 };