Revert "Update includes for webrtc/{base => rtc_base} rename (1/3)"

webrtc/modules/audio_processing/level_controller/down_sampler.cc

 /*
  *  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.
  */
 
 #include "webrtc/modules/audio_processing/level_controller/down_sampler.h"
 
 #include <string.h>
 #include <algorithm>
 #include <vector>
 
+#include "webrtc/base/checks.h"
 #include "webrtc/modules/audio_processing/include/audio_processing.h"
 #include "webrtc/modules/audio_processing/level_controller/biquad_filter.h"
 #include "webrtc/modules/audio_processing/logging/apm_data_dumper.h"
-#include "webrtc/rtc_base/checks.h"
 
 namespace webrtc {
 namespace {
 
 // Bandlimiter coefficients computed based on that only
 // the first 40 bins of the spectrum for the downsampled
 // signal are used.
 // [B,A] = butter(2,(41/64*4000)/8000)
 const BiQuadFilter::BiQuadCoefficients kLowPassFilterCoefficients_16kHz = {
     {0.1455f, 0.2911f, 0.1455f},
@@ skipping 60 matching lines @@
     }
   } else {
     std::copy(in.data(), in.data() + in.size(), out.data());
   }
 
   data_dumper_->DumpWav("lc_down_sampler_output", out,
                         AudioProcessing::kSampleRate8kHz, 1);
 }
 
 }  // namespace webrtc