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

Source/core/html/HTMLLegendElement.h

Index: Source/core/html/HTMLLegendElement.h
diff --git a/Source/core/html/HTMLLegendElement.h b/Source/core/html/HTMLLegendElement.h
index c39934d8989e389cebb092d8d19204b74c042dee..65e8ac94bc66790a2d094dce19a4b2410f422806 100644
--- a/Source/core/html/HTMLLegendElement.h
+++ b/Source/core/html/HTMLLegendElement.h
@@ -30,7 +30,7 @@ namespace blink {
 
 class HTMLFormControlElement;
 
-class HTMLLegendElement FINAL : public HTMLElement {
+class HTMLLegendElement final : public HTMLElement {
     DEFINE_WRAPPERTYPEINFO();
 public:
     DECLARE_NODE_FACTORY(HTMLLegendElement);
@@ -43,8 +43,8 @@ private:
     // Control in the legend's fieldset that gets focus and access key.
     HTMLFormControlElement* associatedControl();
 
-    virtual void accessKeyAction(bool sendMouseEvents) OVERRIDE;
-    virtual void focus(bool restorePreviousSelection, FocusType) OVERRIDE;
+    virtual void accessKeyAction(bool sendMouseEvents) override;
+    virtual void focus(bool restorePreviousSelection, FocusType) override;
 };
 
 } // namespace blink