Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/pc/videotracksource.h

Index: webrtc/pc/videotracksource.h
diff --git a/webrtc/api/videotracksource.h b/webrtc/pc/videotracksource.h
similarity index 93%
copy from webrtc/api/videotracksource.h
copy to webrtc/pc/videotracksource.h
index 330af2332e6ec500831a67c04d8e5c35a66fd5d2..259b1c305ae9e5599cf9201a63e1b084665e5a35 100644
--- a/webrtc/api/videotracksource.h
+++ b/webrtc/pc/videotracksource.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_API_VIDEOTRACKSOURCE_H_
-#define WEBRTC_API_VIDEOTRACKSOURCE_H_
+#ifndef WEBRTC_PC_VIDEOTRACKSOURCE_H_
+#define WEBRTC_PC_VIDEOTRACKSOURCE_H_
 
 #include "webrtc/api/mediastreaminterface.h"
 #include "webrtc/api/notifier.h"
@@ -52,4 +52,4 @@ class VideoTrackSource : public Notifier<VideoTrackSourceInterface> {
 
 }  // namespace webrtc
 
-#endif  //  WEBRTC_API_VIDEOTRACKSOURCE_H_
+#endif  //  WEBRTC_PC_VIDEOTRACKSOURCE_H_