Oilpan: avoid invoking some no-op finalizers.

Source/core/css/MediaQueryListListener.h

Index: Source/core/css/MediaQueryListListener.h
diff --git a/Source/core/css/MediaQueryListListener.h b/Source/core/css/MediaQueryListListener.h
index 9c740d409bad6b2b4238b2eb16b0d1f27c1858d0..e6bb500f3e030dd5015d8a63a15385505dfeaefd 100644
--- a/Source/core/css/MediaQueryListListener.h
+++ b/Source/core/css/MediaQueryListListener.h
@@ -27,10 +27,9 @@
 namespace blink {
 
 // See http://dev.w3.org/csswg/cssom-view/#the-mediaquerylist-interface
-class MediaQueryListListener : public RefCountedWillBeGarbageCollectedFinalized<MediaQueryListListener> {
+class MediaQueryListListener : public RefCountedWillBeGarbageCollected<MediaQueryListListener> {
+    DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(MediaQueryListListener);
 public:
-    virtual ~MediaQueryListListener();
-
     virtual void notifyMediaQueryChanged() = 0;
 
     virtual void trace(Visitor* visitor) { }