Move smoothing filter to common audio and exp_filter to base/analytics.

webrtc/video/send_statistics_proxy.h

 /*
  *  Copyright (c) 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.
  */
 
 #ifndef WEBRTC_VIDEO_SEND_STATISTICS_PROXY_H_
 #define WEBRTC_VIDEO_SEND_STATISTICS_PROXY_H_
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
+#include "webrtc/base/analytics/exp_filter.h"
 #include "webrtc/base/criticalsection.h"
-#include "webrtc/base/exp_filter.h"
 #include "webrtc/base/ratetracker.h"
 #include "webrtc/base/thread_annotations.h"
 #include "webrtc/common_types.h"
 #include "webrtc/modules/video_coding/include/video_codec_interface.h"
 #include "webrtc/modules/video_coding/include/video_coding_defines.h"
 #include "webrtc/system_wrappers/include/clock.h"
 #include "webrtc/video/overuse_frame_detector.h"
 #include "webrtc/video/report_block_stats.h"
 #include "webrtc/video/vie_encoder.h"
 #include "webrtc/video_send_stream.h"
@@ skipping 163 matching lines @@
     const VideoSendStream::Stats start_stats_;
     std::map<int, QpCounters>
         qp_counters_;  // QP counters mapped by spatial idx.
   };
 
   std::unique_ptr<UmaSamplesContainer> uma_container_ GUARDED_BY(crit_);
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_VIDEO_SEND_STATISTICS_PROXY_H_