Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/pc/videocapturertracksource.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/videocapturertracksource.h"
+#include "webrtc/pc/videocapturertracksource.h"
 
 #include <cstdlib>
 #include <string>
 #include <vector>
 
 #include "webrtc/api/mediaconstraintsinterface.h"
 #include "webrtc/base/arraysize.h"
 
 using cricket::CaptureState;
 using webrtc::MediaConstraintsInterface;
@@ skipping 365 matching lines @@
                   capture_state));
     return;
   }
 
   if (capturer == video_capturer_.get()) {
     SetState(GetReadyState(capture_state));
   }
 }
 
 }  // namespace webrtc