diff -r 000000000000 -r 4f2f89ce4247 WebCore/html/HTMLHeadElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLHeadElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2000 Simon Hausmann (hausmann@kde.org)
+ *           (C) 2001 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2004, 2006, 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.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "HTMLHeadElement.h"
+
+#include "HTMLNames.h"
+#include "Text.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLHeadElement::HTMLHeadElement(const QualifiedName& tagName, Document* document)
+    : HTMLElement(tagName, document)
+{
+    ASSERT(hasTagName(headTag));
+}
+
+PassRefPtr<HTMLHeadElement> HTMLHeadElement::create(Document* document)
+{
+    return adoptRef(new HTMLHeadElement(headTag, document));
+}
+
+PassRefPtr<HTMLHeadElement> HTMLHeadElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new HTMLHeadElement(tagName, document));
+}
+
+bool HTMLHeadElement::childAllowed(Node* newChild)
+{
+    // Do not allow non-whitespace text nodes in the head
+    if (newChild->isTextNode())
+        return static_cast<Text*>(newChild)->containsOnlyWhitespace();
+    
+    return HTMLElement::childAllowed(newChild);
+}
+
+bool HTMLHeadElement::checkDTD(const Node* newChild)
+{
+    return newChild->hasTagName(noscriptTag) || newChild->hasTagName(titleTag) || newChild->hasTagName(isindexTag) ||
+           newChild->hasTagName(baseTag) || newChild->hasTagName(scriptTag) ||
+           newChild->hasTagName(styleTag) || newChild->hasTagName(metaTag) ||
+           newChild->hasTagName(linkTag) || newChild->isTextNode();
+}
+
+}