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

gpu/command_buffer/client/share_group.h

Index: gpu/command_buffer/client/share_group.h
diff --git a/gpu/command_buffer/client/share_group.h b/gpu/command_buffer/client/share_group.h
index 3a0df32b624a4e4c8e3412b61ad7ce5a06585b8b..6762ff6c6266a9fd1a91764e8201567761cfcce3 100644
--- a/gpu/command_buffer/client/share_group.h
+++ b/gpu/command_buffer/client/share_group.h
@@ -49,7 +49,6 @@ class GLES2_IMPL_EXPORT ShareGroup
   typedef scoped_refptr<ShareGroup> Ref;
 
   ShareGroup(bool share_resources, bool bind_generates_resource);
-  ~ShareGroup();
 
   void SetGLES2ImplementationForDestruction(GLES2Implementation* gl_impl);
 
@@ -72,6 +71,9 @@ class GLES2_IMPL_EXPORT ShareGroup
   }
 
  private:
+  friend class gpu::RefCountedThreadSafe<ShareGroup>;
+  ~ShareGroup();
+
   scoped_ptr<IdHandlerInterface> id_handlers_[id_namespaces::kNumIdNamespaces];
   scoped_ptr<ProgramInfoManager> program_info_manager_;