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

talk/media/webrtc/webrtcvoiceengine.h

Index: talk/media/webrtc/webrtcvoiceengine.h
diff --git a/talk/media/webrtc/webrtcvoiceengine.h b/talk/media/webrtc/webrtcvoiceengine.h
index 69e88e44c472a0d49f9f6088ba3f581242d39328..92854db0c4b0f4df9ddee132233fce70d517acb0 100644
--- a/talk/media/webrtc/webrtcvoiceengine.h
+++ b/talk/media/webrtc/webrtcvoiceengine.h
@@ -228,13 +228,15 @@ class WebRtcVoiceMediaChannel : public VoiceMediaChannel,
                const webrtc::PacketOptions& options) override {
     rtc::Buffer packet(reinterpret_cast<const uint8_t*>(data), len,
                        kMaxRtpPacketLen);
-    return VoiceMediaChannel::SendPacket(&packet);
+    rtc::PacketOptions rtc_options;
+    rtc_options.packet_id = options.packet_id;
+    return VoiceMediaChannel::SendPacket(&packet, rtc_options);
   }
 
   bool SendRtcp(const uint8_t* data, size_t len) override {
     rtc::Buffer packet(reinterpret_cast<const uint8_t*>(data), len,
                        kMaxRtpPacketLen);
-    return VoiceMediaChannel::SendRtcp(&packet);
+    return VoiceMediaChannel::SendRtcp(&packet, rtc::PacketOptions());
   }
 
   bool FindSsrc(int channel_num, uint32* ssrc);