Fix virtual/override/final usage in Source/core/svg/.

Source/core/svg/SVGPathSegCurvetoCubicSmoothAbs.h

Index: Source/core/svg/SVGPathSegCurvetoCubicSmoothAbs.h
diff --git a/Source/core/svg/SVGPathSegCurvetoCubicSmoothAbs.h b/Source/core/svg/SVGPathSegCurvetoCubicSmoothAbs.h
index bb80b51dd97a25903db6799a1da353f1924944b6..4749df1244fe40b52cf9b3bf8d96585dcfa6b16a 100644
--- a/Source/core/svg/SVGPathSegCurvetoCubicSmoothAbs.h
+++ b/Source/core/svg/SVGPathSegCurvetoCubicSmoothAbs.h
@@ -43,8 +43,8 @@ private:
     SVGPathSegCurvetoCubicSmoothAbs(SVGPathElement* element, float x, float y, float x2, float y2)
         : SVGPathSegCurvetoCubicSmooth(element, x, y, x2, y2) { }
 
-    virtual unsigned short pathSegType() const override { return PATHSEG_CURVETO_CUBIC_SMOOTH_ABS; }
-    virtual String pathSegTypeAsLetter() const override { return "S"; }
+    unsigned short pathSegType() const override { return PATHSEG_CURVETO_CUBIC_SMOOTH_ABS; }
+    String pathSegTypeAsLetter() const override { return "S"; }
 };
 
 } // namespace blink