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

media/base/filters.h

Index: media/base/filters.h
diff --git a/media/base/filters.h b/media/base/filters.h
index b32234f924369adde0fdf9fc7d2618b9f0604002..84a91567db59fdd7e558edbe708ed7e808ea2860 100644
--- a/media/base/filters.h
+++ b/media/base/filters.h
@@ -181,6 +181,9 @@ class MEDIA_EXPORT VideoRenderer : public Filter {
   // Returns true if this filter has received and processed an end-of-stream
   // buffer.
   virtual bool HasEnded() = 0;
+
+ protected:
+  virtual ~VideoRenderer() {}
 };
 
 class MEDIA_EXPORT AudioRenderer : public Filter {
@@ -212,6 +215,9 @@ class MEDIA_EXPORT AudioRenderer : public Filter {
   // |buffer_more_audio| is set to true if you want to increase the size of the
   // decoded audio buffer.
   virtual void ResumeAfterUnderflow(bool buffer_more_audio) = 0;
+
+ protected:
+  virtual ~AudioRenderer() {}
 };
 
 }  // namespace media