Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGPatternElement.h

Index: Source/core/svg/SVGPatternElement.h
diff --git a/Source/core/svg/SVGPatternElement.h b/Source/core/svg/SVGPatternElement.h
index ac3d502372ef16c1d9fdc0fdef9bb1c50bb09ffd..2afb90df3a9324506a1f55a1c41b66c6850946b8 100644
--- a/Source/core/svg/SVGPatternElement.h
+++ b/Source/core/svg/SVGPatternElement.h
@@ -45,14 +45,14 @@ class SVGPatternElement FINAL : public SVGElement,
                                 public SVGExternalResourcesRequired,
                                 public SVGFitToViewBox {
 public:
-    static PassRefPtr<SVGPatternElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<SVGPatternElement> create(const QualifiedName&, Document&);
 
     void collectPatternAttributes(PatternAttributes&) const;
 
     virtual AffineTransform localCoordinateSpaceTransform(SVGLocatable::CTMScope) const;
 
 private:
-    SVGPatternElement(const QualifiedName&, Document*);
+    SVGPatternElement(const QualifiedName&, Document&);
 
     virtual bool isValid() const { return SVGTests::isValid(); }
     virtual bool needsPendingResourceHandling() const { return false; }