Revert "Update includes for webrtc/{base => rtc_base} rename (2/3)"

webrtc/media/base/videosourcebase.h

 /*
  *  Copyright (c) 2016 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.
  */
 
 #ifndef WEBRTC_MEDIA_BASE_VIDEOSOURCEBASE_H_
 #define WEBRTC_MEDIA_BASE_VIDEOSOURCEBASE_H_
 
 #include <vector>
 
 #include "webrtc/api/video/video_frame.h"
+#include "webrtc/base/thread_checker.h"
 #include "webrtc/media/base/videosourceinterface.h"
-#include "webrtc/rtc_base/thread_checker.h"
 
 namespace rtc {
 
 // VideoSourceBase is not thread safe.
 class VideoSourceBase : public VideoSourceInterface<webrtc::VideoFrame> {
  public:
   VideoSourceBase();
   void AddOrUpdateSink(VideoSinkInterface<webrtc::VideoFrame>* sink,
                        const VideoSinkWants& wants) override;
   void RemoveSink(VideoSinkInterface<webrtc::VideoFrame>* sink) override;
@@ skipping 10 matching lines @@
   const std::vector<SinkPair>& sink_pairs() const { return sinks_; }
   ThreadChecker thread_checker_;
 
  private:
   std::vector<SinkPair> sinks_;
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_MEDIA_BASE_VIDEOSOURCEBASE_H_