Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/dom

Source/core/dom/MutationObserver.h

 /*
  * Copyright (C) 2011 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 41 matching lines @@
 class Node;
 
 typedef unsigned char MutationObserverOptions;
 typedef unsigned char MutationRecordDeliveryOptions;
 
 typedef WillBeHeapHashSet<RefPtrWillBeMember<MutationObserver> > MutationObserverSet;
 typedef WillBeHeapHashSet<RawPtrWillBeWeakMember<MutationObserverRegistration> > MutationObserverRegistrationSet;
 typedef WillBeHeapVector<RefPtrWillBeMember<MutationObserver> > MutationObserverVector;
 typedef WillBeHeapVector<RefPtrWillBeMember<MutationRecord> > MutationRecordVector;
 
-class MutationObserver FINAL : public RefCountedWillBeGarbageCollectedFinalized<MutationObserver>, public ScriptWrappable {
+class MutationObserver final : public RefCountedWillBeGarbageCollectedFinalized<MutationObserver>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     enum MutationType {
         ChildList = 1 << 0,
         Attributes = 1 << 1,
         CharacterData = 1 << 2,
 
         AllMutationTypes = ChildList | Attributes | CharacterData
     };
 
@@ skipping 34 matching lines @@
 
     OwnPtr<MutationCallback> m_callback;
     MutationRecordVector m_records;
     MutationObserverRegistrationSet m_registrations;
     unsigned m_priority;
 };
 
 } // namespace blink
 
 #endif // MutationObserver_h