Re-land r9378 "Rename APM Config DelayCorrection to ExtendedFilter"

webrtc/modules/audio_processing/aec/aec_core.c

 /*
  *  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.
  */
 
@@ skipping 1916 matching lines @@
 }
 
 void WebRtcAec_enable_reported_delay(AecCore* self, int enable) {
   self->reported_delay_enabled = enable;
 }
 
 int WebRtcAec_reported_delay_enabled(AecCore* self) {
   return self->reported_delay_enabled;
 }
 
-void WebRtcAec_enable_delay_correction(AecCore* self, int enable) {
+void WebRtcAec_enable_extended_filter(AecCore* self, int enable) {
   self->extended_filter_enabled = enable;
   self->num_partitions = enable ? kExtendedNumPartitions : kNormalNumPartitions;
   // Update the delay estimator with filter length.  See InitAEC() for details.
   WebRtc_set_allowed_offset(self->delay_estimator, self->num_partitions / 2);
 }
 
-int WebRtcAec_delay_correction_enabled(AecCore* self) {
+int WebRtcAec_extended_filter_enabled(AecCore* self) {
   return self->extended_filter_enabled;
 }
 
 int WebRtcAec_system_delay(AecCore* self) { return self->system_delay; }
 
 void WebRtcAec_SetSystemDelay(AecCore* self, int delay) {
   assert(delay >= 0);
   self->system_delay = delay;
 }