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

Source/core/accessibility/AXTableHeaderContainer.h

 /*
  * Copyright (C) 2008 Apple 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 AXTableHeaderContainer_h
 #define AXTableHeaderContainer_h
 
 #include "core/accessibility/AXMockObject.h"
 #include "core/accessibility/AXTable.h"
 
 namespace blink {
 
-class AXTableHeaderContainer FINAL : public AXMockObject {
+class AXTableHeaderContainer final : public AXMockObject {
 
 private:
     AXTableHeaderContainer();
 public:
     static PassRefPtr<AXTableHeaderContainer> create();
     virtual ~AXTableHeaderContainer();
 
-    virtual AccessibilityRole roleValue() const OVERRIDE { return TableHeaderContainerRole; }
+    virtual AccessibilityRole roleValue() const override { return TableHeaderContainerRole; }
 
-    virtual void addChildren() OVERRIDE;
+    virtual void addChildren() override;
 
-    virtual LayoutRect elementRect() const OVERRIDE;
+    virtual LayoutRect elementRect() const override;
 
 private:
     LayoutRect m_headerRect;
 
-    virtual bool computeAccessibilityIsIgnored() const OVERRIDE;
+    virtual bool computeAccessibilityIsIgnored() const override;
 };
 
 } // namespace blink
 
 #endif // AXTableHeaderContainer_h