Apply DEFINE/DECLARE_NODE_FACTORY(T) macro to element factories with single Document& argument.

Source/core/html/HTMLBodyElement.cpp

Index: Source/core/html/HTMLBodyElement.cpp
diff --git a/Source/core/html/HTMLBodyElement.cpp b/Source/core/html/HTMLBodyElement.cpp
index a32a72794aef493a7d9216f305e259093f958bd2..fc32ac971e4bfd84a1aefe62456a35ffb963f8d7 100644
--- a/Source/core/html/HTMLBodyElement.cpp
+++ b/Source/core/html/HTMLBodyElement.cpp
@@ -41,16 +41,13 @@ namespace WebCore {
 
 using namespace HTMLNames;
 
-HTMLBodyElement::HTMLBodyElement(Document& document)
+inline HTMLBodyElement::HTMLBodyElement(Document& document)
     : HTMLElement(bodyTag, document)
 {
     ScriptWrappable::init(this);
 }
 
-PassRefPtrWillBeRawPtr<HTMLBodyElement> HTMLBodyElement::create(Document& document)
-{
-    return adoptRefWillBeRefCountedGarbageCollected(new HTMLBodyElement(document));
-}
+DEFINE_NODE_FACTORY(HTMLBodyElement)
 
 HTMLBodyElement::~HTMLBodyElement()
 {