--- a/gfx/2d/2D.h
+++ b/gfx/2d/2D.h
@@ -205,17 +205,17 @@ struct DrawSurfaceOptions {
 
 };
 
 /**
  * This class is used to store gradient stops, it can only be used with a
  * matching DrawTarget. Not adhering to this condition will make a draw call
  * fail.
  */
-class GradientStops : public RefCounted<GradientStops>
+class GradientStops : public external::AtomicRefCounted<GradientStops>
 {
 public:
   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GradientStops)
   virtual ~GradientStops() {}
 
   virtual BackendType GetBackendType() const = 0;
   virtual bool IsValid() const { return true; }