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

webrtc/modules/audio_processing/level_controller/gain_selector.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/gain_selector.h"
 
 #include <math.h>
 #include <algorithm>
 
+#include "webrtc/base/checks.h"
 #include "webrtc/modules/audio_processing/include/audio_processing.h"
 #include "webrtc/modules/audio_processing/level_controller/level_controller_constants.h"
-#include "webrtc/rtc_base/checks.h"
 
 namespace webrtc {
 
 GainSelector::GainSelector() {
   Initialize(AudioProcessing::kSampleRate48kHz);
 }
 
 void GainSelector::Initialize(int sample_rate_hz) {
   gain_ = 1.f;
   frame_length_ = rtc::CheckedDivExact(sample_rate_hz, 100);
@@ skipping 49 matching lines @@
   // Limit the gain to not exceed the maximum and the saturating gains, and to
   // ensure that the lowest possible gain is 1.
   gain_ = std::min(gain_, saturating_gain);
   gain_ = std::min(gain_, kMaxLcGain);
   gain_ = std::max(gain_, 1.f);
 
   return gain_;
 }
 
 }  // namespace webrtc