Update SVG classes to use OVERRIDE / FINAL when needed

Source/core/svg/SVGPathSegLinetoRel.h

Index: Source/core/svg/SVGPathSegLinetoRel.h
diff --git a/Source/core/svg/SVGPathSegLinetoRel.h b/Source/core/svg/SVGPathSegLinetoRel.h
index 53dc883abd1c5d894680ae4788c8014cfa1960a6..d92d59f4948c9ff083c3b0af8f2f562d161a8bc1 100644
--- a/Source/core/svg/SVGPathSegLinetoRel.h
+++ b/Source/core/svg/SVGPathSegLinetoRel.h
@@ -26,7 +26,7 @@
 
 namespace WebCore {
 
-class SVGPathSegLinetoRel : public SVGPathSegSingleCoordinate {
+class SVGPathSegLinetoRel FINAL : public SVGPathSegSingleCoordinate {
 public:
     static PassRefPtr<SVGPathSegLinetoRel> create(SVGPathElement* element, SVGPathSegRole role, float x, float y)
     {
@@ -40,8 +40,8 @@ private:
         ScriptWrappable::init(this);
     }
 
-    virtual unsigned short pathSegType() const { return PATHSEG_LINETO_REL; }
-    virtual String pathSegTypeAsLetter() const { return "l"; }
+    virtual unsigned short pathSegType() const OVERRIDE { return PATHSEG_LINETO_REL; }
+    virtual String pathSegTypeAsLetter() const OVERRIDE { return "l"; }
 };
 
 } // namespace WebCore