Update accessibility classes to use OVERRIDE / FINAL when needed

Source/core/accessibility/AXInlineTextBox.h

 /*
  * Copyright (C) 2013, 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 16 matching lines @@
  */
 
 #ifndef AXInlineTextBox_h
 #define AXInlineTextBox_h
 
 #include "core/accessibility/AXObject.h"
 #include "core/rendering/AbstractInlineTextBox.h"
 
 namespace WebCore {
 
-class AXInlineTextBox : public AXObject {
+class AXInlineTextBox FINAL : public AXObject {
 
 private:
     AXInlineTextBox(PassRefPtr<AbstractInlineTextBox>);
 
 public:
     static PassRefPtr<AXInlineTextBox> create(PassRefPtr<AbstractInlineTextBox>);
     virtual ~AXInlineTextBox();
 
     virtual void init() OVERRIDE;
     virtual void detach() OVERRIDE;
@@ skipping 11 matching lines @@
 private:
     RefPtr<AbstractInlineTextBox> m_inlineTextBox;
     AXObjectCache* m_axObjectCache;
 
     virtual bool computeAccessibilityIsIgnored() const OVERRIDE;
 };
 
 } // namespace WebCore
 
 #endif // AXInlineTextBox_h