Oilpan: make DataObject and SharedWorker heap Supplementables.

Source/modules/filesystem/DraggedIsolatedFileSystem.h

 /*
  * Copyright (C) 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef DraggedIsolatedFileSystem_h
 #define DraggedIsolatedFileSystem_h
 
 #include "core/clipboard/DataObject.h"
+#include "heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class DOMFileSystem;
 
-class DraggedIsolatedFileSystem FINAL : public Supplement<DataObject> {
+class DraggedIsolatedFileSystem FINAL : public NoBaseWillBeGarbageCollectedFinalized<DraggedIsolatedFileSystem>, public WillBeHeapSupplement<DataObject> {
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DraggedIsolatedFileSystem);
 public:
     virtual ~DraggedIsolatedFileSystem();
 
-    static PassOwnPtr<DraggedIsolatedFileSystem> create(const String& filesystemId)
+    static PassOwnPtrWillBeRawPtr<DraggedIsolatedFileSystem> create(const String& filesystemId)
     {
-        return adoptPtr(new DraggedIsolatedFileSystem(filesystemId));
+        return adoptPtrWillBeNoop(new DraggedIsolatedFileSystem(filesystemId));
     }
 
     const String& filesystemId() const { return m_filesystemId; }
     DOMFileSystem* getDOMFileSystem(ExecutionContext*);
 
     static const char* supplementName();
-    static DraggedIsolatedFileSystem* from(DataObject* dataObject) { return static_cast<DraggedIsolatedFileSystem*>(Supplement<DataObject>::from(dataObject, supplementName())); }
+    static DraggedIsolatedFileSystem* from(DataObject*);
+
+    void trace(Visitor*);
 
 private:
     DraggedIsolatedFileSystem(const String& filesystemId);
-    RefPtr<DOMFileSystem> m_filesystem;
+    RefPtrWillBeMember<DOMFileSystem> m_filesystem;
     String m_filesystemId;
 };
 
 } // namespace WebCore
 
 #endif // DraggedIsolatedFileSystem_h