Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/pc/dtmfsender.cc

 /*
  *  Copyright 2012 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/dtmfsender.h"
+#include "webrtc/pc/dtmfsender.h"
 
 #include <ctype.h>
 
 #include <string>
 
 #include "webrtc/base/logging.h"
 #include "webrtc/base/thread.h"
 
 namespace webrtc {
 
@@ skipping 208 matching lines @@
   LOG(LS_INFO) << "The Dtmf provider is deleted. Clear the sending queue.";
   StopSending();
   provider_ = NULL;
 }
 
 void DtmfSender::StopSending() {
   signaling_thread_->Clear(this);
 }
 
 }  // namespace webrtc