Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLImageElement.cpp

Index: Source/core/html/HTMLImageElement.cpp
diff --git a/Source/core/html/HTMLImageElement.cpp b/Source/core/html/HTMLImageElement.cpp
index bf88109ed9ecad7b640245f02d5216edaa77a176..30c86681dd7a5c4561fa6e1be5360d6ddb0eec71 100644
--- a/Source/core/html/HTMLImageElement.cpp
+++ b/Source/core/html/HTMLImageElement.cpp
@@ -40,7 +40,7 @@ namespace WebCore {
 
 using namespace HTMLNames;
 
-HTMLImageElement::HTMLImageElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+HTMLImageElement::HTMLImageElement(const QualifiedName& tagName, Document& document, HTMLFormElement* form)
     : HTMLElement(tagName, document)
     , m_imageLoader(this)
     , m_form(form)
@@ -52,12 +52,12 @@ HTMLImageElement::HTMLImageElement(const QualifiedName& tagName, Document* docum
         form->registerImgElement(this);
 }
 
-PassRefPtr<HTMLImageElement> HTMLImageElement::create(Document* document)
+PassRefPtr<HTMLImageElement> HTMLImageElement::create(Document& document)
 {
     return adoptRef(new HTMLImageElement(imgTag, document));
 }
 
-PassRefPtr<HTMLImageElement> HTMLImageElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+PassRefPtr<HTMLImageElement> HTMLImageElement::create(const QualifiedName& tagName, Document& document, HTMLFormElement* form)
 {
     return adoptRef(new HTMLImageElement(tagName, document, form));
 }
@@ -68,7 +68,7 @@ HTMLImageElement::~HTMLImageElement()
         m_form->removeImgElement(this);
 }
 
-PassRefPtr<HTMLImageElement> HTMLImageElement::createForJSConstructor(Document* document, const int* optionalWidth, const int* optionalHeight)
+PassRefPtr<HTMLImageElement> HTMLImageElement::createForJSConstructor(Document& document, const int* optionalWidth, const int* optionalHeight)
 {
     RefPtr<HTMLImageElement> image = adoptRef(new HTMLImageElement(imgTag, document));
     if (optionalWidth)