Oilpan: make DOMWindowProperty a GC mixin.

Source/modules/quota/NavigatorStorageQuota.h

Index: Source/modules/quota/NavigatorStorageQuota.h
diff --git a/Source/modules/quota/NavigatorStorageQuota.h b/Source/modules/quota/NavigatorStorageQuota.h
index d0df48cffc7a7726ec88b1c1d6685c5e709aa041..3c2417df38877c54b06cc6ea4f7941fea171062f 100644
--- a/Source/modules/quota/NavigatorStorageQuota.h
+++ b/Source/modules/quota/NavigatorStorageQuota.h
@@ -42,10 +42,10 @@ class LocalFrame;
 class Navigator;
 class StorageQuota;
 
-class NavigatorStorageQuota FINAL : public NoBaseWillBeGarbageCollectedFinalized<NavigatorStorageQuota>, public WillBeHeapSupplement<Navigator>, public DOMWindowProperty {
+class NavigatorStorageQuota FINAL : public NoBaseWillBeGarbageCollected<NavigatorStorageQuota>, public WillBeHeapSupplement<Navigator>, public DOMWindowProperty {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NavigatorStorageQuota);
+    DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(NavigatorStorageQuota);
 public:
-    virtual ~NavigatorStorageQuota();
     static NavigatorStorageQuota& from(Navigator&);
 
     static StorageQuota* storageQuota(Navigator&);