Oilpan: Add support of pre-finalization callback to Oilpan infrastructure.

Source/modules/indexeddb/IDBCursor.h

 /*
  * Copyright (C) 2010 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:
  *
  * 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
@@ skipping 29 matching lines @@
 
 class ExceptionState;
 class IDBAny;
 class IDBTransaction;
 class ExecutionContext;
 class SharedBuffer;
 class WebBlobInfo;
 
 class IDBCursor : public GarbageCollectedFinalized<IDBCursor>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
+    USING_PRE_FINALIZER(IDBCursor, dispose);
 public:
     static WebIDBCursorDirection stringToDirection(const String& modeString, ExceptionState&);
 
     static IDBCursor* create(PassOwnPtr<WebIDBCursor>, WebIDBCursorDirection, IDBRequest*, IDBAny* source, IDBTransaction*);
     virtual ~IDBCursor();
-    void dispose();
     void trace(Visitor*);
     void contextWillBeDestroyed() { m_backend.clear(); }
 
     // Implement the IDL
     const String& direction() const;
     ScriptValue key(ScriptState*);
     ScriptValue primaryKey(ScriptState*);
     ScriptValue value(ScriptState*);
     ScriptValue source(ScriptState*) const;
 
@@ skipping 14 matching lines @@
     void setValueReady(IDBKey*, IDBKey* primaryKey, PassRefPtr<SharedBuffer> value, PassOwnPtr<Vector<WebBlobInfo> >);
     IDBKey* idbPrimaryKey() const { return m_primaryKey; }
     IDBRequest* request() const { return m_request.get(); }
     virtual bool isKeyCursor() const { return true; }
     virtual bool isCursorWithValue() const { return false; }
 
 protected:
     IDBCursor(PassOwnPtr<WebIDBCursor>, WebIDBCursorDirection, IDBRequest*, IDBAny* source, IDBTransaction*);
 
 private:
+    void dispose();
     IDBObjectStore* effectiveObjectStore() const;
     void handleBlobAcks();
 
     OwnPtr<WebIDBCursor> m_backend;
     Member<IDBRequest> m_request;
     const WebIDBCursorDirection m_direction;
     Member<IDBAny> m_source;
     Member<IDBTransaction> m_transaction;
     bool m_gotValue;
     bool m_keyDirty;
     bool m_primaryKeyDirty;
     bool m_valueDirty;
     Member<IDBKey> m_key;
     Member<IDBKey> m_primaryKey;
     RefPtr<SharedBuffer> m_value;
     OwnPtr<Vector<WebBlobInfo> > m_blobInfo;
 };
 
 } // namespace blink
 
 #endif // IDBCursor_h