Revert of Delete empty API files and cleaned up includes.

webrtc/api/java/jni/peerconnection_jni.cc

 /*
  *  Copyright 2013 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.
  */
 
@@ skipping 37 matching lines @@
 #include "webrtc/api/java/jni/androidmediaencoder_jni.h"
 #include "webrtc/api/java/jni/androidnetworkmonitor_jni.h"
 #include "webrtc/api/java/jni/androidvideocapturer_jni.h"
 #include "webrtc/api/java/jni/classreferenceholder.h"
 #include "webrtc/api/java/jni/jni_helpers.h"
 #include "webrtc/api/java/jni/native_handle_impl.h"
 #include "webrtc/api/mediaconstraintsinterface.h"
 #include "webrtc/api/peerconnectioninterface.h"
 #include "webrtc/api/rtpreceiverinterface.h"
 #include "webrtc/api/rtpsenderinterface.h"
+#include "webrtc/api/videosourceinterface.h"
 #include "webrtc/api/webrtcsdp.h"
 #include "webrtc/base/bind.h"
 #include "webrtc/base/checks.h"
 #include "webrtc/base/event_tracer.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/base/logsinks.h"
 #include "webrtc/base/messagequeue.h"
 #include "webrtc/base/networkmonitor.h"
 #include "webrtc/base/ssladapter.h"
 #include "webrtc/base/stringutils.h"
@@ skipping 2035 matching lines @@
   return JavaStringFromStdString(
       jni,
       reinterpret_cast<RtpReceiverInterface*>(j_rtp_receiver_pointer)->id());
 }
 
 JOW(void, RtpReceiver_free)(JNIEnv* jni, jclass, jlong j_rtp_receiver_pointer) {
   reinterpret_cast<RtpReceiverInterface*>(j_rtp_receiver_pointer)->Release();
 }
 
 }  // namespace webrtc_jni