Allow pass through buffer sizes on OSX.

media/audio/audio_manager_base.h

Index: media/audio/audio_manager_base.h
diff --git a/media/audio/audio_manager_base.h b/media/audio/audio_manager_base.h
index 237eaeedd219ee94ad0fddf3d607fab4967e8ca0..bc13ee5a1677b46c89d08d47321b23bcd59606d8 100644
--- a/media/audio/audio_manager_base.h
+++ b/media/audio/audio_manager_base.h
@@ -115,6 +115,10 @@ class MEDIA_EXPORT AudioManagerBase : public AudioManager {
   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);
 
@@ -150,10 +154,6 @@ class MEDIA_EXPORT AudioManagerBase : public AudioManager {
   // 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;