Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLMeterElement.cpp

Index: Source/core/html/HTMLMeterElement.cpp
diff --git a/Source/core/html/HTMLMeterElement.cpp b/Source/core/html/HTMLMeterElement.cpp
index 9f683caf1c4049f6b5079c960392873c8f41748a..a5a37487d61613d4491b32420970419bbc9da44f 100644
--- a/Source/core/html/HTMLMeterElement.cpp
+++ b/Source/core/html/HTMLMeterElement.cpp
@@ -38,7 +38,7 @@ namespace WebCore {
 
 using namespace HTMLNames;
 
-HTMLMeterElement::HTMLMeterElement(const QualifiedName& tagName, Document* document)
+HTMLMeterElement::HTMLMeterElement(const QualifiedName& tagName, Document& document)
     : LabelableElement(tagName, document)
 {
     ASSERT(hasTagName(meterTag));
@@ -49,7 +49,7 @@ HTMLMeterElement::~HTMLMeterElement()
 {
 }
 
-PassRefPtr<HTMLMeterElement> HTMLMeterElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<HTMLMeterElement> HTMLMeterElement::create(const QualifiedName& tagName, Document& document)
 {
     RefPtr<HTMLMeterElement> meter = adoptRef(new HTMLMeterElement(tagName, document));
     meter->ensureUserAgentShadowRoot();
@@ -226,11 +226,11 @@ void HTMLMeterElement::didAddUserAgentShadowRoot(ShadowRoot* root)
 {
     ASSERT(!m_value);
 
-    RefPtr<MeterInnerElement> inner = MeterInnerElement::create(&document());
+    RefPtr<MeterInnerElement> inner = MeterInnerElement::create(document());
     root->appendChild(inner);
 
-    RefPtr<MeterBarElement> bar = MeterBarElement::create(&document());
-    m_value = MeterValueElement::create(&document());
+    RefPtr<MeterBarElement> bar = MeterBarElement::create(document());
+    m_value = MeterValueElement::create(document());
     m_value->setWidthPercentage(0);
     m_value->updatePseudo();
     bar->appendChild(m_value);