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

Source/core/svg/SVGPathSegMovetoRel.h

Index: Source/core/svg/SVGPathSegMovetoRel.h
diff --git a/Source/core/svg/SVGPathSegMovetoRel.h b/Source/core/svg/SVGPathSegMovetoRel.h
index 8168d81da1594d426ff34f5fc086bc8af276530c..ca8eea2cf51ddd39a98e464df3a97747b59fe4fb 100644
--- a/Source/core/svg/SVGPathSegMovetoRel.h
+++ b/Source/core/svg/SVGPathSegMovetoRel.h
@@ -43,8 +43,8 @@ private:
     SVGPathSegMovetoRel(SVGPathElement* element, float x, float y)
         : SVGPathSegSingleCoordinate(element, x, y) { }
 
-    virtual unsigned short pathSegType() const override { return PATHSEG_MOVETO_REL; }
-    virtual String pathSegTypeAsLetter() const override { return "m"; }
+    unsigned short pathSegType() const override { return PATHSEG_MOVETO_REL; }
+    String pathSegTypeAsLetter() const override { return "m"; }
 };
 
 } // namespace blink