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

talk/media/webrtc/webrtcvoiceengine.cc

Index: talk/media/webrtc/webrtcvoiceengine.cc
diff --git a/talk/media/webrtc/webrtcvoiceengine.cc b/talk/media/webrtc/webrtcvoiceengine.cc
index 5130232bca4ce880ba5fea277fb0b58d7e39fefa..678e613f2b67e2d8e6dedc6a839e680c35b32180 100644
--- a/talk/media/webrtc/webrtcvoiceengine.cc
+++ b/talk/media/webrtc/webrtcvoiceengine.cc
@@ -2675,6 +2675,11 @@ void WebRtcVoiceMediaChannel::OnPacketReceived(
       webrtc::PacketTime(packet_time.timestamp, packet_time.not_before));
 }
 
+void WebRtcVoiceMediaChannel::OnPacketSent(const rtc::SentPacket& packet_sent) {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  // TODO(holmer): Hook up to call.
+}
+
 void WebRtcVoiceMediaChannel::OnRtcpReceived(
     rtc::Buffer* packet, const rtc::PacketTime& packet_time) {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());