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

webrtc/modules/audio_processing/aec3/residual_echo_estimator.cc

 /*
  *  Copyright (c) 2017 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/aec3/residual_echo_estimator.h"
 
 #include <numeric>
 #include <vector>
 
-#include "webrtc/rtc_base/checks.h"
+#include "webrtc/base/checks.h"
 
 namespace webrtc {
 namespace {
 
 // Estimates the echo generating signal power as gated maximal power over a time
 // window.
 void EchoGeneratingPower(const RenderBuffer& render_buffer,
                          size_t min_delay,
                          size_t max_delay,
                          std::array<float, kFftLengthBy2Plus1>* X2) {
@@ skipping 207 matching lines @@
   } else {
     std::copy(S2.begin(), S2.end(), S2_old_[S2_old_index_].begin());
   }
 
   // Add the power of the echo reverb to the residual echo power.
   std::transform(R2->begin(), R2->end(), R2_reverb_.begin(), R2->begin(),
                  std::plus<float>());
 }
 
 }  // namespace webrtc