Allow pass through buffer sizes on OSX.

media/audio/audio_manager_base.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 MEDIA_AUDIO_AUDIO_MANAGER_BASE_H_
 #define MEDIA_AUDIO_AUDIO_MANAGER_BASE_H_
 
 #include <string>
 #include <utility>
 
@@ skipping 97 matching lines @@
 
   virtual AudioParameters GetInputStreamParameters(
       const std::string& device_id) OVERRIDE;
 
   virtual std::string GetAssociatedOutputDeviceID(
       const std::string& input_device_id) OVERRIDE;
 
   virtual scoped_ptr<AudioLog> CreateAudioLog(
       AudioLogFactory::AudioComponent component) OVERRIDE;
 
+  // Get number of input or output streams.
+  int input_stream_count() const { return num_input_streams_; }
+  int output_stream_count() const { return num_output_streams_; }
+
  protected:
   AudioManagerBase(AudioLogFactory* audio_log_factory);
 
   // Shuts down the audio thread and releases all the audio output dispatchers
   // on the audio thread.  All audio streams should be freed before Shutdown()
   // is called.  This must be called in the destructor of every AudioManagerBase
   // implementation.
   void Shutdown();
 
   void SetMaxOutputStreamsAllowed(int max) { max_num_output_streams_ = max; }
@@ skipping 15 matching lines @@
   // If |output_device_id| is empty, the implementation must treat that as
   // a request for the default output device.
   virtual AudioParameters GetPreferredOutputStreamParameters(
       const std::string& output_device_id,
       const AudioParameters& input_params) = 0;
 
   // Returns the ID of the default audio output device.
   // Implementations that don't yet support this should return an empty string.
   virtual std::string GetDefaultOutputDeviceID();
 
-  // Get number of input or output streams.
-  int input_stream_count() { return num_input_streams_; }
-  int output_stream_count() { return num_output_streams_; }
-
  private:
   struct DispatcherParams;
   typedef ScopedVector<DispatcherParams> AudioOutputDispatchers;
 
   class CompareByParams;
 
   // Called by Shutdown().
   void ShutdownOnAudioThread();
 
   // Max number of open output streams, modified by
@@ skipping 26 matching lines @@
 
   // Proxy for creating AudioLog objects.
   AudioLogFactory* const audio_log_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioManagerBase);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_MANAGER_BASE_H_