Remove QualifiedName argument from SVGElement::create functions

Source/core/svg/SVGLinearGradientElement.h

Index: Source/core/svg/SVGLinearGradientElement.h
diff --git a/Source/core/svg/SVGLinearGradientElement.h b/Source/core/svg/SVGLinearGradientElement.h
index 758ee9cd2527896a000fa770178a0af13634f001..179424e1ca74320d243f39e6c587090dcf86a5c4 100644
--- a/Source/core/svg/SVGLinearGradientElement.h
+++ b/Source/core/svg/SVGLinearGradientElement.h
@@ -31,12 +31,12 @@ struct LinearGradientAttributes;
 
 class SVGLinearGradientElement FINAL : public SVGGradientElement {
 public:
-    static PassRefPtr<SVGLinearGradientElement> create(const QualifiedName&, Document&);
+    static PassRefPtr<SVGLinearGradientElement> create(Document&);
 
     bool collectGradientAttributes(LinearGradientAttributes&);
 
 private:
-    SVGLinearGradientElement(const QualifiedName&, Document&);
+    explicit SVGLinearGradientElement(Document&);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;