Replaced the data logging functionality in the AEC with a generic logging functionality

webrtc/modules/audio_processing/aec/aec_core.h

 /*
  *  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 35 matching lines @@
   float max;
   float sum;
   float hisum;
   float himean;
   size_t counter;
   size_t hicounter;
 } Stats;
 
 typedef struct AecCore AecCore;
 
-AecCore* WebRtcAec_CreateAec();  // Returns NULL on error.
+AecCore* WebRtcAec_CreateAec(int instance_count);  // Returns NULL on error.
 void WebRtcAec_FreeAec(AecCore* aec);
 int WebRtcAec_InitAec(AecCore* aec, int sampFreq);
 void WebRtcAec_InitAec_SSE2(void);
 #if defined(MIPS_FPU_LE)
 void WebRtcAec_InitAec_mips(void);
 #endif
 #if defined(WEBRTC_DETECT_NEON) || defined(WEBRTC_HAS_NEON)
 void WebRtcAec_InitAec_neon(void);
 #endif
 
@@ skipping 23 matching lines @@
 
 // Returns the echo state (1: echo, 0: no echo).
 int WebRtcAec_echo_state(AecCore* self);
 
 // Gets statistics of the echo metrics ERL, ERLE, A_NLP.
 void WebRtcAec_GetEchoStats(AecCore* self,
                             Stats* erl,
                             Stats* erle,
                             Stats* a_nlp,
                             float* divergent_filter_fraction);
-#ifdef WEBRTC_AEC_DEBUG_DUMP
-void* WebRtcAec_far_time_buf(AecCore* self);
-#endif
 
 // Sets local configuration modes.
 void WebRtcAec_SetConfigCore(AecCore* self,
                              int nlp_mode,
                              int metrics_mode,
                              int delay_logging);
 
 // Non-zero enables, zero disables.
 void WebRtcAec_enable_delay_agnostic(AecCore* self, int enable);
 
@@ skipping 24 matching lines @@
 int WebRtcAec_system_delay(AecCore* self);
 
 // Sets the |system_delay| to |value|.  Note that if the value is changed
 // improperly, there can be a performance regression.  So it should be used with
 // care.
 void WebRtcAec_SetSystemDelay(AecCore* self, int delay);
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC_AEC_CORE_H_