Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGFEDropShadowElement.h

Index: Source/core/svg/SVGFEDropShadowElement.h
diff --git a/Source/core/svg/SVGFEDropShadowElement.h b/Source/core/svg/SVGFEDropShadowElement.h
index 75e7addfd0d82fbe6ca0f3deef335e5517b13a98..352f60217bb6f7e0d9c37574c1ef263863168f1b 100644
--- a/Source/core/svg/SVGFEDropShadowElement.h
+++ b/Source/core/svg/SVGFEDropShadowElement.h
@@ -28,12 +28,12 @@ namespace WebCore {
 
 class SVGFEDropShadowElement FINAL : public SVGFilterPrimitiveStandardAttributes {
 public:
-    static PassRefPtr<SVGFEDropShadowElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<SVGFEDropShadowElement> create(const QualifiedName&, Document&);
 
     void setStdDeviation(float stdDeviationX, float stdDeviationY);
 
 private:
-    SVGFEDropShadowElement(const QualifiedName&, Document*);
+    SVGFEDropShadowElement(const QualifiedName&, Document&);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;