Clean up macros around DEFINE_EVENT_TARGET_REFCOUNTING

Source/core/css/MediaQueryList.h

Index: Source/core/css/MediaQueryList.h
diff --git a/Source/core/css/MediaQueryList.h b/Source/core/css/MediaQueryList.h
index 90a9d39a0c8d3ea6702aa346790e0ff2049a12fe..0c3d45a1f334130f98ac39b3f079191d4d39d3be 100644
--- a/Source/core/css/MediaQueryList.h
+++ b/Source/core/css/MediaQueryList.h
@@ -42,7 +42,7 @@ class MediaQuerySet;
 // will be called whenever the value of the query changes.
 
 class CORE_EXPORT MediaQueryList final : public EventTargetWithInlineData, public RefCountedWillBeNoBase<MediaQueryList>, public ActiveDOMObject {
-    DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCounted<MediaQueryList>);
+    REFCOUNTED_EVENT_TARGET(MediaQueryList);
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MediaQueryList);
 public: