Create the SrtpTransportInterface.

webrtc/p2p/base/udptransport.h

 /*
  *  Copyright 2016 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.
  */
 
 #ifndef WEBRTC_P2P_BASE_UDPTRANSPORT_H_
 #define WEBRTC_P2P_BASE_UDPTRANSPORT_H_
 
 #include <memory>
 #include <string>
 
-#include "webrtc/api/udptransportinterface.h"
+#include "webrtc/api/ortc/udptransportinterface.h"
 #include "webrtc/base/asyncpacketsocket.h"  // For PacketOptions.
 #include "webrtc/base/optional.h"
 #include "webrtc/base/thread_checker.h"
 #include "webrtc/p2p/base/packettransportinternal.h"
 
 namespace rtc {
 class AsyncPacketSocket;
 struct PacketTime;
 struct SentPacket;
 class SocketAddress;
 }
 
 namespace cricket {
 
 // Implementation of UdpTransportInterface.
 // Used by OrtcFactory.
-class UdpTransport : public webrtc::UdpTransportInterface,
-                     public rtc::PacketTransportInternal {
+class UdpTransport : public rtc::PacketTransportInternal,
+                     virtual public webrtc::UdpTransportInterface {
  public:
   // |transport_name| is only used for identification/logging.
   // |socket| must be non-null.
   UdpTransport(const std::string& transport_name,
                std::unique_ptr<rtc::AsyncPacketSocket> socket);
   ~UdpTransport();
 
   // Overrides of UdpTransportInterface, used by the API consumer.
   rtc::SocketAddress GetLocalAddress() const override;
   bool SetRemoteAddress(const rtc::SocketAddress& addr) override;
@@ skipping 27 matching lines @@
   void OnSocketSentPacket(rtc::AsyncPacketSocket* socket,
                           const rtc::SentPacket& packet);
   bool IsLocalConsistent();
   std::string transport_name_;
   int send_error_ = 0;
   std::unique_ptr<rtc::AsyncPacketSocket> socket_;
   // If not set, will be an "nil" address ("IsNil" returns true).
   rtc::SocketAddress remote_address_;
   rtc::ThreadChecker network_thread_checker_;
 };
+
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_UDPTRANSPORT_H_