Revert of Remove unnecessary uses of GarbageCollectedFinalized<>.

third_party/WebKit/Source/core/page/DragController.h

 /*
  * Copyright (C) 2007, 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 31 matching lines @@
 class DragImage;
 struct DragSession;
 class DragState;
 class LocalFrame;
 class FrameSelection;
 class HTMLInputElement;
 class Node;
 class Page;
 class PlatformMouseEvent;
 
-class CORE_EXPORT DragController final : public GarbageCollected<DragController> {
+class CORE_EXPORT DragController final : public GarbageCollectedFinalized<DragController> {
     WTF_MAKE_NONCOPYABLE(DragController);
 public:
+    ~DragController();
+
     static DragController* create(Page*);
 
     DragSession dragEntered(DragData*);
     void dragExited(DragData*);
     DragSession dragUpdated(DragData*);
     bool performDrag(DragData*);
 
     enum SelectionDragPolicy {
         ImmediateSelectionDragResolution,
         DelayedSelectionDragResolution,
@@ skipping 35 matching lines @@
     Member<HTMLInputElement> m_fileInputElementUnderMouse;
     bool m_documentIsHandlingDrag;
 
     DragDestinationAction m_dragDestinationAction;
     bool m_didInitiateDrag;
 };
 
 } // namespace blink
 
 #endif // DragController_h