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

Source/core/html/HTMLPictureElement.cpp

Index: Source/core/html/HTMLPictureElement.cpp
diff --git a/Source/core/html/HTMLPictureElement.cpp b/Source/core/html/HTMLPictureElement.cpp
index ee30bfd1e89549a64b15bfebad3a0a4e3ef17260..f706a9d5d25127c8cd469b7a19899bd1e271f724 100644
--- a/Source/core/html/HTMLPictureElement.cpp
+++ b/Source/core/html/HTMLPictureElement.cpp
@@ -13,12 +13,14 @@ namespace WebCore {
 
 using namespace HTMLNames;
 
-HTMLPictureElement::HTMLPictureElement(Document& document)
+inline HTMLPictureElement::HTMLPictureElement(Document& document)
     : HTMLElement(pictureTag, document)
 {
     ScriptWrappable::init(this);
 }
 
+DEFINE_NODE_FACTORY(HTMLPictureElement)
+
 void HTMLPictureElement::sourceOrMediaChanged()
 {
     for (HTMLImageElement* imageElement = Traversal<HTMLImageElement>::firstChild(*this); imageElement; imageElement = Traversal<HTMLImageElement>::nextSibling(*imageElement)) {