Remove CDATASection

Source/core/dom/CDATASection.h

-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- * Copyright (C) 2003, 2009 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.
- *
- */
-
-#ifndef CDATASection_h
-#define CDATASection_h
-
-#include "core/dom/Text.h"
-
-namespace blink {
-
-class CDATASection final : public Text {
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    static PassRefPtrWillBeRawPtr<CDATASection> create(Document&, const String&);
-
-private:
-    CDATASection(Document&, const String&);
-
-    virtual String nodeName() const override;
-    virtual NodeType nodeType() const override;
-    virtual PassRefPtrWillBeRawPtr<Text> cloneWithData(const String&) override;
-};
-
-DEFINE_NODE_TYPE_CASTS(CDATASection, nodeType() == Node::CDATA_SECTION_NODE);
-
-} // namespace blink
-
-#endif // CDATASection_h