FINALizing of the Node hierarchy.

Source/core/html/shadow/DateTimeEditElement.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:
  * 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 25 matching lines @@
 class DateTimeFieldsState;
 class KeyboardEvent;
 class Locale;
 class MouseEvent;
 class StepRange;
 
 // DateTimeEditElement class contains numberic field and symbolc field for
 // representing date and time, such as
 //  - Year, Month, Day Of Month
 //  - Hour, Minute, Second, Millisecond, AM/PM
-class DateTimeEditElement : public HTMLDivElement, public DateTimeFieldElement::FieldOwner {
+class DateTimeEditElement FINAL : public HTMLDivElement, public DateTimeFieldElement::FieldOwner {
     WTF_MAKE_NONCOPYABLE(DateTimeEditElement);
 
 public:
     // EditControlOwner implementer must call removeEditControlOwner when
     // it doesn't handle event, e.g. at destruction.
     class EditControlOwner {
     public:
         virtual ~EditControlOwner();
         virtual void didBlurFromControl() = 0;
         virtual void didFocusOnControl() = 0;
@@ skipping 88 matching lines @@
     virtual AtomicString localeIdentifier() const OVERRIDE FINAL;
 
     Vector<DateTimeFieldElement*, maximumNumberOfFields> m_fields;
     EditControlOwner* m_editControlOwner;
 };
 
 } // namespace WebCore
 
 #endif
 #endif