Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLTextAreaElement.cpp

Index: Source/core/html/HTMLTextAreaElement.cpp
diff --git a/Source/core/html/HTMLTextAreaElement.cpp b/Source/core/html/HTMLTextAreaElement.cpp
index 8b87e238164fe04f59def98d621b237f861972ab..3ef62fe20e0b02152e9d51fad3754988dd14ee6d 100644
--- a/Source/core/html/HTMLTextAreaElement.cpp
+++ b/Source/core/html/HTMLTextAreaElement.cpp
@@ -79,7 +79,7 @@ static inline unsigned computeLengthForSubmission(const String& text)
     return text.length() + numberOfLineBreaks(text);
 }
 
-HTMLTextAreaElement::HTMLTextAreaElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+HTMLTextAreaElement::HTMLTextAreaElement(const QualifiedName& tagName, Document& document, HTMLFormElement* form)
     : HTMLTextFormControlElement(tagName, document, form)
     , m_rows(defaultRows)
     , m_cols(defaultCols)
@@ -93,7 +93,7 @@ HTMLTextAreaElement::HTMLTextAreaElement(const QualifiedName& tagName, Document*
     ScriptWrappable::init(this);
 }
 
-PassRefPtr<HTMLTextAreaElement> HTMLTextAreaElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+PassRefPtr<HTMLTextAreaElement> HTMLTextAreaElement::create(const QualifiedName& tagName, Document& document, HTMLFormElement* form)
 {
     RefPtr<HTMLTextAreaElement> textArea = adoptRef(new HTMLTextAreaElement(tagName, document, form));
     textArea->ensureUserAgentShadowRoot();
@@ -102,7 +102,7 @@ PassRefPtr<HTMLTextAreaElement> HTMLTextAreaElement::create(const QualifiedName&
 
 void HTMLTextAreaElement::didAddUserAgentShadowRoot(ShadowRoot* root)
 {
-    root->appendChild(TextControlInnerTextElement::create(&document()));
+    root->appendChild(TextControlInnerTextElement::create(document()));
 }
 
 const AtomicString& HTMLTextAreaElement::formControlType() const
@@ -540,7 +540,7 @@ void HTMLTextAreaElement::updatePlaceholderText()
         return;
     }
     if (!m_placeholder) {
-        RefPtr<HTMLDivElement> placeholder = HTMLDivElement::create(&document());
+        RefPtr<HTMLDivElement> placeholder = HTMLDivElement::create(document());
         m_placeholder = placeholder.get();
         m_placeholder->setPart(AtomicString("-webkit-input-placeholder", AtomicString::ConstructFromLiteral));
         userAgentShadowRoot()->insertBefore(m_placeholder, innerTextElement()->nextSibling());