Get rid of SVGPathSegRole

Source/core/svg/SVGPathSegClosePath.h

Index: Source/core/svg/SVGPathSegClosePath.h
diff --git a/Source/core/svg/SVGPathSegClosePath.h b/Source/core/svg/SVGPathSegClosePath.h
index db15643312e1cb3bc8329086b866ea15001c46da..457bcd9f104da3ad38f6bcc845b546423f027e78 100644
--- a/Source/core/svg/SVGPathSegClosePath.h
+++ b/Source/core/svg/SVGPathSegClosePath.h
@@ -27,14 +27,14 @@ namespace blink {
 
 class SVGPathSegClosePath FINAL : public SVGPathSegWithContext {
 public:
-    static PassRefPtr<SVGPathSegClosePath> create(SVGPathElement* element, SVGPathSegRole role)
+    static PassRefPtr<SVGPathSegClosePath> create(SVGPathElement* element)
     {
-        return adoptRef(new SVGPathSegClosePath(element, role));
+        return adoptRef(new SVGPathSegClosePath(element));
     }
 
 private:
-    SVGPathSegClosePath(SVGPathElement* element, SVGPathSegRole role)
-        : SVGPathSegWithContext(element, role)
+    SVGPathSegClosePath(SVGPathElement* element)
+        : SVGPathSegWithContext(element)
     {
         ScriptWrappable::init(this);
     }