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

Source/core/html/HTMLRTElement.h

Index: Source/core/html/HTMLRTElement.h
diff --git a/Source/core/html/HTMLRTElement.h b/Source/core/html/HTMLRTElement.h
index 2052c727e0b8da28dbff39332581dc10198bd0b4..5cc68828e70ed798015de5899a419574a7b4052a 100644
--- a/Source/core/html/HTMLRTElement.h
+++ b/Source/core/html/HTMLRTElement.h
@@ -11,14 +11,14 @@ namespace blink {
 
 // <rt> is an HTMLElement in script, but we use a separate interface here
 // so HTMLElement's createRenderer doesn't need to know about it.
-class HTMLRTElement FINAL : public HTMLElement {
+class HTMLRTElement final : public HTMLElement {
 public:
     DECLARE_NODE_FACTORY(HTMLRTElement);
 
 private:
     explicit HTMLRTElement(Document&);
 
-    virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
+    virtual RenderObject* createRenderer(RenderStyle*) override;
 };
 
 } // namespace