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

webrtc/video/overuse_frame_detector.cc

 /*
  *  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.
  */
 
 #include "webrtc/video/overuse_frame_detector.h"
 
 #include <assert.h>
 #include <math.h>
 
 #include <algorithm>
 #include <list>
 #include <map>
 
+#include "webrtc/base/analytics/exp_filter.h"
 #include "webrtc/base/checks.h"
-#include "webrtc/base/exp_filter.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/common_video/include/frame_callback.h"
 #include "webrtc/system_wrappers/include/clock.h"
 #include "webrtc/video_frame.h"
 
 #if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
 #include <mach/mach.h>
 #endif  // defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
 
 namespace webrtc {
@@ skipping 371 matching lines @@
                                         int64_t time_now) {
   RTC_DCHECK_CALLED_SEQUENTIALLY(&task_checker_);
   int delay = in_quick_rampup_ ? kQuickRampUpDelayMs : current_rampup_delay_ms_;
   if (time_now < last_rampup_time_ms_ + delay)
     return false;
 
   return metrics.encode_usage_percent <
          options_.low_encode_usage_threshold_percent;
 }
 }  // namespace webrtc