Update a ton of audio code to use size_t more correctly and in general reduce

webrtc/modules/audio_processing/aecm/include/echo_control_mobile.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 69 matching lines @@
  *                              farend signal
  * int16_t        nrOfSamples   Number of samples in farend buffer
  *
  * Outputs                      Description
  * -------------------------------------------------------------------
  * int32_t        return        0: OK
  *                             -1: error
  */
 int32_t WebRtcAecm_BufferFarend(void* aecmInst,
                                 const int16_t* farend,
-                                int16_t nrOfSamples);
+                                size_t nrOfSamples);
 
 /*
  * Runs the AECM on an 80 or 160 sample blocks of data.
  *
  * Inputs                        Description
  * -------------------------------------------------------------------
  * void*          aecmInst       Pointer to the AECM instance
  * int16_t*       nearendNoisy   In buffer containing one frame of
  *                               reference nearend+echo signal. If
  *                               noise reduction is active, provide
@@ skipping 10 matching lines @@
  * Outputs                       Description
  * -------------------------------------------------------------------
  * int16_t*       out            Out buffer, one frame of processed nearend
  * int32_t        return         0: OK
  *                              -1: error
  */
 int32_t WebRtcAecm_Process(void* aecmInst,
                            const int16_t* nearendNoisy,
                            const int16_t* nearendClean,
                            int16_t* out,
-                           int16_t nrOfSamples,
+                           size_t nrOfSamples,
                            int16_t msInSndCardBuf);
 
 /*
  * This function enables the user to set certain parameters on-the-fly
  *
  * Inputs                       Description
  * -------------------------------------------------------------------
  * void*          aecmInst      Pointer to the AECM instance
  * AecmConfig     config        Config instance that contains all
  *                              properties to be set
@@ skipping 77 matching lines @@
  * Outputs                      Description
  * -------------------------------------------------------------------
  * int32_t        return        11000-11100: error code
  */
 int32_t WebRtcAecm_get_error_code(void *aecmInst);
 
 #ifdef __cplusplus
 }
 #endif
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AECM_INCLUDE_ECHO_CONTROL_MOBILE_H_