Fix trivial lint errors in FileRecorder and FilePlayer

webrtc/modules/audio_mixer/audio_mixer.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 280 matching lines @@
 
   _outputFileRecorderPtr =
       FileRecorder::CreateFileRecorder(_instanceId, (const FileFormats)format);
   if (_outputFileRecorderPtr == NULL) {
     _engineStatisticsPtr->SetLastError(
         VE_INVALID_ARGUMENT, kTraceError,
         "StartRecordingPlayout() fileRecorder format isnot correct");
     return -1;
   }
 
-  if (_outputFileRecorderPtr->StartRecordingAudioFile(*stream, *codecInst,
+  if (_outputFileRecorderPtr->StartRecordingAudioFile(stream, *codecInst,
                                                       notificationTime) != 0) {
     _engineStatisticsPtr->SetLastError(
         VE_BAD_FILE, kTraceError,
         "StartRecordingAudioFile() failed to start file recording");
     _outputFileRecorderPtr->StopRecording();
     _outputFileRecorderPtr.reset();
     return -1;
   }
 
   _outputFileRecorderPtr->RegisterModuleFileCallback(this);
@@ skipping 92 matching lines @@
     }
   }
 
   // --- Measure audio level (0-9) for the combined signal
   _audioLevel.ComputeLevel(_audioFrame);
 
   return 0;
 }
 }  // namespace voe
 }  // namespace webrtc