[oilpan] The Node hierarchy should have correct accept method chains

Source/core/html/HTMLFormControlElementWithState.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 24 matching lines @@
     virtual ~HTMLFormControlElementWithState();
 
     virtual bool canContainRangeEndPoint() const { return false; }
 
     virtual bool shouldSaveAndRestoreFormControlState() const;
     virtual FormControlState saveFormControlState() const;
     // The specified FormControlState must have at least one string value.
     virtual void restoreFormControlState(const FormControlState&) { }
     void notifyFormStateChanged();
 
-    virtual void acceptHeapVisitor(Visitor*) const OVERRIDE;
-
 protected:
     HTMLFormControlElementWithState(const QualifiedName& tagName, Handle<Document>, HTMLFormElement*);
 
     virtual bool shouldAutocomplete() const;
     virtual void finishParsingChildren();
     virtual void didMoveToNewDocument(Handle<Document> oldDocument) OVERRIDE;
     virtual bool isFormControlElementWithState() const OVERRIDE;
+
+    virtual void acceptHeapVisitor(Visitor*) const OVERRIDE;
 };
 
 } // namespace
 
 #endif