Wire up RTP keep-alive in ortc api.

webrtc/pc/rtptransport.h

 /*
  *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 33 matching lines @@
 
   rtc::PacketTransportInternal* rtcp_packet_transport() const override {
     return rtcp_packet_transport_;
   }
   void SetRtcpPacketTransport(rtc::PacketTransportInternal* rtcp) override;
 
   PacketTransportInterface* GetRtpPacketTransport() const override;
   PacketTransportInterface* GetRtcpPacketTransport() const override;
 
   // TODO(zstein): Use these RtcpParameters for configuration elsewhere.
-  RTCError SetRtcpParameters(const RtcpParameters& parameters) override;
-  RtcpParameters GetRtcpParameters() const override;
+  RTCError SetParameters(const RtpTransportParameters& parameters) override;
+  RtpTransportParameters GetParameters() const override;
 
   bool IsWritable(bool rtcp) const override;
 
   bool SendPacket(bool rtcp,
                   rtc::CopyOnWriteBuffer* packet,
                   const rtc::PacketOptions& options,
                   int flags) override;
 
   bool HandlesPayloadType(int payload_type) const override;
 
@@ skipping 24 matching lines @@
 
   bool rtcp_mux_enabled_;
 
   rtc::PacketTransportInternal* rtp_packet_transport_ = nullptr;
   rtc::PacketTransportInternal* rtcp_packet_transport_ = nullptr;
 
   bool ready_to_send_ = false;
   bool rtp_ready_to_send_ = false;
   bool rtcp_ready_to_send_ = false;
 
-  RtcpParameters rtcp_parameters_;
+  RtpTransportParameters parameters_;
 
   cricket::BundleFilter bundle_filter_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_PC_RTPTRANSPORT_H_