RefCounted types should not have public destructors, media/ and gpu/ edition

media/base/audio_renderer_sink.h

Index: media/base/audio_renderer_sink.h
diff --git a/media/base/audio_renderer_sink.h b/media/base/audio_renderer_sink.h
index 140890c0b9eff8e2cf2a4d2c6c76b4b220584721..37979f913012a8be6eb69a719c485951da778acd 100644
--- a/media/base/audio_renderer_sink.h
+++ b/media/base/audio_renderer_sink.h
@@ -38,8 +38,6 @@ class AudioRendererSink
     virtual ~RenderCallback() {}
   };
 
-  virtual ~AudioRendererSink() {}
-
   // Sets important information about the audio stream format.
   // It must be called before any of the other methods.
   virtual void Initialize(const AudioParameters& params,
@@ -67,6 +65,10 @@ class AudioRendererSink
 
   // Gets the playback volume, with range [0.0, 1.0] inclusive.
   virtual void GetVolume(double* volume) = 0;
+
+ protected:
+  friend class base::RefCountedThreadSafe<AudioRendererSink>;
+  virtual ~AudioRendererSink() {}
 };
 
 }  // namespace media