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

Source/core/html/HTMLRTElement.cpp

Index: Source/core/html/HTMLRTElement.cpp
diff --git a/Source/core/html/HTMLRTElement.cpp b/Source/core/html/HTMLRTElement.cpp
index 345c268a93840987819f91f67aa31e9090f5fa82..2f5e782b8b13901bd8c96d1335cf020cfcf0f743 100644
--- a/Source/core/html/HTMLRTElement.cpp
+++ b/Source/core/html/HTMLRTElement.cpp
@@ -12,15 +12,12 @@ namespace WebCore {
 
 using namespace HTMLNames;
 
-HTMLRTElement::HTMLRTElement(Document& document)
+inline HTMLRTElement::HTMLRTElement(Document& document)
     : HTMLElement(rtTag, document)
 {
 }
 
-PassRefPtrWillBeRawPtr<HTMLRTElement> HTMLRTElement::create(Document& document)
-{
-    return adoptRefWillBeRefCountedGarbageCollected(new HTMLRTElement(document));
-}
+DEFINE_NODE_FACTORY(HTMLRTElement)
 
 RenderObject* HTMLRTElement::createRenderer(RenderStyle* style)
 {