Wire up RTP keep-alive in ortc api.

webrtc/ortc/ortcfactory.h

Index: webrtc/ortc/ortcfactory.h
diff --git a/webrtc/ortc/ortcfactory.h b/webrtc/ortc/ortcfactory.h
index 2ce7be39cce708767db9b776e324461f64acd930..f93cb637dc68a4659cbc8853f568bb86eab18ad3 100644
--- a/webrtc/ortc/ortcfactory.h
+++ b/webrtc/ortc/ortcfactory.h
@@ -44,13 +44,13 @@ class OrtcFactory : public OrtcFactoryInterface {
   CreateRtpTransportController() override;
 
   RTCErrorOr<std::unique_ptr<RtpTransportInterface>> CreateRtpTransport(
-      const RtcpParameters& rtcp_parameters,
+      const RtpTransportParameters& parameters,
       PacketTransportInterface* rtp,
       PacketTransportInterface* rtcp,
       RtpTransportControllerInterface* transport_controller) override;
 
   RTCErrorOr<std::unique_ptr<SrtpTransportInterface>> CreateSrtpTransport(
-      const RtcpParameters& rtcp_parameters,
+      const RtpTransportParameters& parameters,
       PacketTransportInterface* rtp,
       PacketTransportInterface* rtcp,
       RtpTransportControllerInterface* transport_controller) override;
@@ -103,6 +103,9 @@ class OrtcFactory : public OrtcFactoryInterface {
               rtc::PacketSocketFactory* socket_factory,
               AudioDeviceModule* adm);
 
+  RTCErrorOr<std::unique_ptr<RtpTransportControllerInterface>>
+  CreateRtpTransportController(const RtpTransportParameters& parameters);
+
   // Thread::Invoke doesn't support move-only arguments, so we need to remove
   // the unique_ptr wrapper from media_engine. TODO(deadbeef): Fix this.
   static RTCErrorOr<std::unique_ptr<OrtcFactoryInterface>> Create_s(