Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/sdk/objc/Framework/Classes/RTCPeerConnection.mm

 /*
  *  Copyright 2015 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.
  */
 
 #import "RTCPeerConnection+Private.h"
 
 #import "NSString+StdString.h"
 #import "RTCConfiguration+Private.h"
 #import "RTCDataChannel+Private.h"
 #import "RTCIceCandidate+Private.h"
 #import "RTCLegacyStatsReport+Private.h"
 #import "RTCMediaConstraints+Private.h"
 #import "RTCMediaStream+Private.h"
 #import "RTCPeerConnectionFactory+Private.h"
 #import "RTCRtpReceiver+Private.h"
 #import "RTCRtpSender+Private.h"
 #import "RTCSessionDescription+Private.h"
 #import "WebRTC/RTCLogging.h"
 
 #include <memory>
 
-#include "webrtc/api/jsepicecandidate.h"
+#include "webrtc/pc/jsepicecandidate.h"
 #include "webrtc/base/checks.h"
 
 NSString * const kRTCPeerConnectionErrorDomain =
     @"org.webrtc.RTCPeerConnection";
 int const kRTCPeerConnnectionSessionDescriptionError = -1;
 
 namespace webrtc {
 
 class CreateSessionDescriptionObserverAdapter
     : public CreateSessionDescriptionObserver {
@@ skipping 544 matching lines @@
     case RTCStatsOutputLevelDebug:
       return webrtc::PeerConnectionInterface::kStatsOutputLevelDebug;
   }
 }
 
 - (rtc::scoped_refptr<webrtc::PeerConnectionInterface>)nativePeerConnection {
   return _peerConnection;
 }
 
 @end