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

media/filters/audio_renderer_impl.h

Index: media/filters/audio_renderer_impl.h
diff --git a/media/filters/audio_renderer_impl.h b/media/filters/audio_renderer_impl.h
index c3f4015d3500c60a8a4749c80099bd80460b9b8c..0a6d660d6d5b384b569289388a4cbbfe85e330c2 100644
--- a/media/filters/audio_renderer_impl.h
+++ b/media/filters/audio_renderer_impl.h
@@ -38,7 +38,6 @@ class MEDIA_EXPORT AudioRendererImpl
   // Methods called on Render thread ------------------------------------------
   // An AudioRendererSink is used as the destination for the rendered audio.
   explicit AudioRendererImpl(media::AudioRendererSink* sink);
-  virtual ~AudioRendererImpl();
 
   // Methods called on pipeline thread ----------------------------------------
   // Filter implementation.
@@ -58,6 +57,9 @@ class MEDIA_EXPORT AudioRendererImpl
   virtual void ResumeAfterUnderflow(bool buffer_more_audio) OVERRIDE;
   virtual void SetVolume(float volume) OVERRIDE;
 
+ protected:
+  virtual ~AudioRendererImpl();
+
  private:
   friend class AudioRendererImplTest;
   FRIEND_TEST_ALL_PREFIXES(AudioRendererImplTest, EndOfStream);