Revert of Moved ring-buffer related files from common_audio to audio_processing

webrtc/modules/audio_processing/aec/aec_core.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
 /*
  * The core AEC algorithm, which is presented with time-aligned signals.
  */
 
 #include "webrtc/modules/audio_processing/aec/aec_core.h"
 
 #ifdef WEBRTC_AEC_DEBUG_DUMP
 #include <stdio.h>
 #endif
 
 #include <assert.h>
 #include <math.h>
 #include <stddef.h>  // size_t
 #include <stdlib.h>
 #include <string.h>
 
+extern "C" {
+#include "webrtc/common_audio/ring_buffer.h"
+}
 #include "webrtc/common_audio/signal_processing/include/signal_processing_library.h"
 #include "webrtc/modules/audio_processing/aec/aec_common.h"
 #include "webrtc/modules/audio_processing/aec/aec_core_internal.h"
 extern "C" {
 #include "webrtc/modules/audio_processing/aec/aec_rdft.h"
 }
 #include "webrtc/modules/audio_processing/logging/aec_logging.h"
 extern "C" {
 #include "webrtc/modules/audio_processing/utility/delay_estimator_wrapper.h"
-#include "webrtc/modules/audio_processing/utility/ring_buffer.h"
 }
 #include "webrtc/system_wrappers/include/cpu_features_wrapper.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 // Buffer size (samples)
 static const size_t kBufSizePartitions = 250;  // 1 second of audio in 16 kHz.
 
 // Metrics
@@ skipping 1843 matching lines @@
 
 int WebRtcAec_system_delay(AecCore* self) {
   return self->system_delay;
 }
 
 void WebRtcAec_SetSystemDelay(AecCore* self, int delay) {
   assert(delay >= 0);
   self->system_delay = delay;
 }
 }  // namespace webrtc