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

Source/core/html/HTMLMetaElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 19 matching lines @@
 enum ViewportErrorCode {
     UnrecognizedViewportArgumentKeyError,
     UnrecognizedViewportArgumentValueError,
     TruncatedViewportArgumentValueError,
     MaximumScaleTooLargeError,
     TargetDensityDpiUnsupported
 };
 
 class HTMLMetaElement FINAL : public HTMLElement {
 public:
-    static PassRefPtrWillBeRawPtr<HTMLMetaElement> create(Document&);
+    DECLARE_NODE_FACTORY(HTMLMetaElement);
 
     const AtomicString& content() const;
     const AtomicString& httpEquiv() const;
     const AtomicString& name() const;
 
 private:
     explicit HTMLMetaElement(Document&);
 
     typedef void (HTMLMetaElement::*KeyValuePairCallback)(const String& key, const String& value, void* data);
     void processViewportKeyValuePair(const String& key, const String& value, void* data);
@@ skipping 12 matching lines @@
 
     void reportViewportWarning(ViewportErrorCode, const String& replacement1, const String& replacement2);
 
     void process();
     void processViewportContentAttribute(const String& content, ViewportDescription::Type origin);
 };
 
 } // namespace WebCore
 
 #endif