Remove AMR format parameter from AudioCoder in utility

webrtc/modules/utility/source/file_recorder_impl.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.
  */
 
@@ skipping 222 matching lines @@
         }
     }
     return 0;
 }
 
 int32_t FileRecorderImpl::SetUpAudioEncoder()
 {
     if (_fileFormat == kFileFormatPreencodedFile ||
         STR_CASE_CMP(codec_info_.plname, "L16") != 0)
     {
-        if(_audioEncoder.SetEncodeCodec(codec_info_,_amrFormat) == -1)
+        if(_audioEncoder.SetEncodeCodec(codec_info_) == -1)
         {
             LOG(LS_ERROR) << "SetUpAudioEncoder() codec "
                           << codec_info_.plname << " not supported.";
             return -1;
         }
     }
     return 0;
 }
 
 int32_t FileRecorderImpl::codec_info(CodecInst& codecInst) const
 {
     if(codec_info_.plfreq == 0)
     {
         return -1;
     }
     codecInst = codec_info_;
     return 0;
 }
 
 int32_t FileRecorderImpl::WriteEncodedAudioData(const int8_t* audioBuffer,
                                                 size_t bufferLength)
 {
     return _moduleFile->IncomingAudioData(audioBuffer, bufferLength);
 }
 }  // namespace webrtc