Remove QualifiedName argument from SVGElement::create functions

Source/core/svg/SVGRadialGradientElement.h

Index: Source/core/svg/SVGRadialGradientElement.h
diff --git a/Source/core/svg/SVGRadialGradientElement.h b/Source/core/svg/SVGRadialGradientElement.h
index 5ea11759e455c009ea4b78eb4b8ec73b6a1dd418..e448d2077c81651382221c31b1993aa5f7745842 100644
--- a/Source/core/svg/SVGRadialGradientElement.h
+++ b/Source/core/svg/SVGRadialGradientElement.h
@@ -31,12 +31,12 @@ struct RadialGradientAttributes;
 
 class SVGRadialGradientElement FINAL : public SVGGradientElement {
 public:
-    static PassRefPtr<SVGRadialGradientElement> create(const QualifiedName&, Document&);
+    static PassRefPtr<SVGRadialGradientElement> create(Document&);
 
     bool collectGradientAttributes(RadialGradientAttributes&);
 
 private:
-    SVGRadialGradientElement(const QualifiedName&, Document&);
+    explicit SVGRadialGradientElement(Document&);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;