Remove destructors from ScriptWrappable objects (part 1)

Source/core/clipboard/DataTransferItem.h

Index: Source/core/clipboard/DataTransferItem.h
diff --git a/Source/core/clipboard/DataTransferItem.h b/Source/core/clipboard/DataTransferItem.h
index 3292155142ce59ff887bed9350678bf5bbd6cce3..9402fbeee687425ff5021aaca4af51e997c32b03 100644
--- a/Source/core/clipboard/DataTransferItem.h
+++ b/Source/core/clipboard/DataTransferItem.h
@@ -46,10 +46,10 @@ class File;
 class StringCallback;
 class ExecutionContext;
 
-class DataTransferItem : public RefCountedWillBeGarbageCollectedFinalized<DataTransferItem>, public ScriptWrappable {
+class DataTransferItem FINAL : public RefCountedWillBeGarbageCollected<DataTransferItem>, public ScriptWrappable {
+    DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DataTransferItem);
 public:
     static PassRefPtrWillBeRawPtr<DataTransferItem> create(PassRefPtrWillBeRawPtr<DataTransfer>, PassRefPtrWillBeRawPtr<DataObjectItem>);
-    ~DataTransferItem();
 
     String kind() const;
     String type() const;