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

webrtc/modules/audio_processing/aecm/echo_control_mobile.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 181 matching lines @@
     if (WebRtcAecm_set_config(aecm, aecConfig) == -1)
     {
         aecm->lastError = AECM_UNSPECIFIED_ERROR;
         return -1;
     }
 
     return 0;
 }
 
 int32_t WebRtcAecm_BufferFarend(void *aecmInst, const int16_t *farend,
-                                int16_t nrOfSamples)
+                                size_t nrOfSamples)
 {
   AecMobile* aecm = aecmInst;
     int32_t retVal = 0;
 
     if (aecm == NULL)
     {
         return -1;
     }
 
     if (farend == NULL)
@@ skipping 13 matching lines @@
         aecm->lastError = AECM_BAD_PARAMETER_ERROR;
         return -1;
     }
 
     // TODO: Is this really a good idea?
     if (!aecm->ECstartup)
     {
         WebRtcAecm_DelayComp(aecm);
     }
 
-    WebRtc_WriteBuffer(aecm->farendBuf, farend, (size_t) nrOfSamples);
+    WebRtc_WriteBuffer(aecm->farendBuf, farend, nrOfSamples);
 
     return retVal;
 }
 
 int32_t WebRtcAecm_Process(void *aecmInst, const int16_t *nearendNoisy,
                            const int16_t *nearendClean, int16_t *out,
-                           int16_t nrOfSamples, int16_t msInSndCardBuf)
+                           size_t nrOfSamples, int16_t msInSndCardBuf)
 {
   AecMobile* aecm = aecmInst;
     int32_t retVal = 0;
-    short i;
+    size_t i;
     short nmbrOfFilledBuffers;
-    short nBlocks10ms;
-    short nFrames;
+    size_t nBlocks10ms;
+    size_t nFrames;
 #ifdef AEC_DEBUG
     short msInAECBuf;
 #endif
 
     if (aecm == NULL)
     {
         return -1;
     }
 
     if (nearendNoisy == NULL)
@@ skipping 432 matching lines @@
         nSampAdd = (int)(WEBRTC_SPL_MAX(((nSampSndCard >> 1) - nSampFar),
                 FRAME_LEN));
         nSampAdd = WEBRTC_SPL_MIN(nSampAdd, maxStuffSamp);
 
         WebRtc_MoveReadPtr(aecm->farendBuf, -nSampAdd);
         aecm->delayChange = 1; // the delay needs to be updated
     }
 
     return 0;
 }