Get rid of SVGPathSegRole

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 054bcd2d2db3741cab9af28c5ea0064559315261..4cd7e810dd7a3c0d58a2403fe0b5d120787872fd 100644
--- a/Source/core/svg/SVGPathSegLinetoRel.h
+++ b/Source/core/svg/SVGPathSegLinetoRel.h
@@ -28,14 +28,14 @@ namespace blink {
 
 class SVGPathSegLinetoRel FINAL : public SVGPathSegSingleCoordinate {
 public:
-    static PassRefPtr<SVGPathSegLinetoRel> create(SVGPathElement* element, SVGPathSegRole role, float x, float y)
+    static PassRefPtr<SVGPathSegLinetoRel> create(SVGPathElement* element, float x, float y)
     {
-        return adoptRef(new SVGPathSegLinetoRel(element, role, x, y));
+        return adoptRef(new SVGPathSegLinetoRel(element, x, y));
     }
 
 private:
-    SVGPathSegLinetoRel(SVGPathElement* element, SVGPathSegRole role, float x, float y)
-        : SVGPathSegSingleCoordinate(element, role, x, y)
+    SVGPathSegLinetoRel(SVGPathElement* element, float x, float y)
+        : SVGPathSegSingleCoordinate(element, x, y)
     {
         ScriptWrappable::init(this);
     }