Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/pc/ortcfactory.cc

 /*
  *  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.
  */
 
-#include "webrtc/api/ortcfactory.h"
+#include "webrtc/pc/ortcfactory.h"
 
 #include <string>
 #include <utility>  // For std::move.
 
 #include "webrtc/base/bind.h"
 #include "webrtc/base/asyncpacketsocket.h"
 #include "webrtc/p2p/base/basicpacketsocketfactory.h"
 #include "webrtc/p2p/base/udptransport.h"
 
 namespace webrtc {
@@ skipping 88 matching lines @@
   LOG(LS_INFO) << "Created UDP socket with address "
                << socket->GetLocalAddress().ToSensitiveString() << ".";
   // Use proxy so that calls to the returned object are invoked on the network
   // thread.
   return UdpTransportProxy::Create(
       signaling_thread_, network_thread_,
       new cricket::UdpTransport(std::string(), std::move(socket)));
 }
 
 }  // namespace webrtc