Fix AudioPipeReader to use default pipe buffer size.

remoting/host/linux/audio_pipe_reader.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_HOST_LINUX_AUDIO_PIPE_READER_H_
 #define REMOTING_HOST_LINUX_AUDIO_PIPE_READER_H_
 
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/files/file_path_watcher.h"
@@ skipping 64 matching lines @@
   base::FilePath pipe_path_;
 
   // Watcher for the directory that contains audio pipe we are reading from, to
   // monitor when pulseaudio creates or deletes it.
   base::FilePathWatcher file_watcher_;
 
   base::File pipe_;
   base::RepeatingTimer<AudioPipeReader> timer_;
   scoped_refptr<ObserverListThreadSafe<StreamObserver> > observers_;
 
+  // Size of the pipe buffer.
+  int pipe_buffer_size_;
+
+  // Period between pipe reads.
+  base::TimeDelta capture_period_;
+
   // Time when capturing was started.
   base::TimeTicks started_time_;
 
   // Stream position of the last capture in bytes with zero position
   // corresponding to |started_time_|. Must always be a multiple of the sample
   // size.
   int64 last_capture_position_;
 
   // Bytes left from the previous read.
   std::string left_over_bytes_;
 
   base::MessageLoopForIO::FileDescriptorWatcher file_descriptor_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioPipeReader);
 };
 
 // Destroys |audio_pipe_reader| on the audio thread.
 struct AudioPipeReaderTraits {
   static void Destruct(const AudioPipeReader* audio_pipe_reader);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_LINUX_AUDIO_PIPE_READER_H_