FilePlayer: Remove unused default values for arguments

webrtc/modules/utility/source/file_player.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 20 matching lines @@
 
   virtual int Get10msAudioFromFile(int16_t* outBuffer,
                                    size_t& lengthInSamples,
                                    int frequencyInHz);
   virtual int32_t RegisterModuleFileCallback(FileCallback* callback);
   virtual int32_t StartPlayingFile(const char* fileName,
                                    bool loop,
                                    uint32_t startPosition,
                                    float volumeScaling,
                                    uint32_t notification,
-                                   uint32_t stopPosition = 0,
-                                   const CodecInst* codecInst = NULL);
+                                   uint32_t stopPosition,
+                                   const CodecInst* codecInst);
   virtual int32_t StartPlayingFile(InStream& sourceStream,
                                    uint32_t startPosition,
                                    float volumeScaling,
                                    uint32_t notification,
-                                   uint32_t stopPosition = 0,
-                                   const CodecInst* codecInst = NULL);
+                                   uint32_t stopPosition,
+                                   const CodecInst* codecInst);
   virtual int32_t StopPlayingFile();
   virtual bool IsPlayingFile() const;
   virtual int32_t GetPlayoutPosition(uint32_t& durationMs);
   virtual int32_t AudioCodec(CodecInst& audioCodec) const;
   virtual int32_t Frequency() const;
   virtual int32_t SetAudioScaling(float scaleFactor);
 
  private:
   int32_t SetUpAudioDecoder();
 
@@ skipping 333 matching lines @@
 FilePlayer* FilePlayer::CreateFilePlayer(uint32_t instanceID,
                                          FileFormats fileFormat) {
   return FilePlayer::NewFilePlayer(instanceID, fileFormat).release();
 }
 
 void FilePlayer::DestroyFilePlayer(FilePlayer* player) {
   delete player;
 }
 
 }  // namespace webrtc