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

Source/core/dom/custom/CustomElementRegistry.cpp

 /*
  * 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
@@ skipping 35 matching lines @@
         : DocumentLifecycleObserver(document)
         , m_wentAway(!document)
     {
     }
 
     bool registrationContextWentAway() { return m_wentAway; }
 
 private:
 #if ENABLE(OILPAN)
     // In oilpan we don't have the disposed phase for context lifecycle observer.
-    virtual void documentWasDetached() OVERRIDE { m_wentAway = true; }
+    virtual void documentWasDetached() override { m_wentAway = true; }
 #else
-    virtual void documentWasDisposed() OVERRIDE { m_wentAway = true; }
+    virtual void documentWasDisposed() override { m_wentAway = true; }
 #endif
 
     bool m_wentAway;
 };
 
 CustomElementDefinition* CustomElementRegistry::registerElement(Document* document, CustomElementConstructorBuilder* constructorBuilder, const AtomicString& userSuppliedName, CustomElement::NameSet validNames, ExceptionState& exceptionState)
 {
     // FIXME: In every instance except one it is the
     // CustomElementConstructorBuilder that observes document
     // destruction during registration. This responsibility should be
@@ skipping 50 matching lines @@
 
     return definition.get();
 }
 
 CustomElementDefinition* CustomElementRegistry::find(const CustomElementDescriptor& descriptor) const
 {
     return m_definitions.get(descriptor);
 }
 
 } // namespace blink