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diff --git a/Source/WebCore/css/MediaList.h b/Source/WebCore/css/MediaList.h
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+/*
+ * (C) 1999-2003 Lars Knoll (knoll@kde.org)
+ * Copyright (C) 2004, 2006, 2008, 2009, 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.
+ */
+
+#ifndef MediaList_h
+#define MediaList_h
+
+#include "StyleBase.h"
+#include <wtf/Forward.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class CSSImportRule;
+class CSSStyleSheet;
+class MediaQuery;
+
+typedef int ExceptionCode;
+
+class MediaList : public StyleBase {
+public:
+    static PassRefPtr<MediaList> create()
+    {
+        return adoptRef(new MediaList(0, false));
+    }
+    static PassRefPtr<MediaList> create(CSSImportRule* parentRule, const String& media)
+    {
+        return adoptRef(new MediaList(parentRule, media));
+    }
+    static PassRefPtr<MediaList> create(CSSStyleSheet* parentSheet, const String& media)
+    {
+        return adoptRef(new MediaList(parentSheet, media, false));
+    }
+
+    static PassRefPtr<MediaList> createAllowingDescriptionSyntax(const String& mediaQueryOrDescription)
+    {
+        return adoptRef(new MediaList(0, mediaQueryOrDescription, true));
+    }
+    static PassRefPtr<MediaList> createAllowingDescriptionSyntax(CSSStyleSheet* parentSheet, const String& mediaQueryOrDescription)
+    {
+        return adoptRef(new MediaList(parentSheet, mediaQueryOrDescription, true));
+    }
+
+    static PassRefPtr<MediaList> create(const String& media, bool allowDescriptionSyntax)
+    {
+        return adoptRef(new MediaList(0, media, allowDescriptionSyntax));
+    }
+
+    virtual ~MediaList();
+
+    unsigned length() const { return m_queries.size(); }
+    String item(unsigned index) const;
+    void deleteMedium(const String& oldMedium, ExceptionCode&);
+    void appendMedium(const String& newMedium, ExceptionCode&);
+
+    String mediaText() const;
+    void setMediaText(const String&, ExceptionCode&xo);
+
+    void appendMediaQuery(PassOwnPtr<MediaQuery>);
+    const Vector<MediaQuery*>& mediaQueries() const { return m_queries; }
+
+private:
+    MediaList(CSSStyleSheet* parentSheet, bool fallbackToDescription);
+    MediaList(CSSStyleSheet* parentSheet, const String& media, bool fallbackToDescription);
+    MediaList(CSSImportRule* parentRule, const String& media);
+
+    void notifyChanged();
+
+    Vector<MediaQuery*> m_queries;
+    bool m_fallback; // true if failed media query parsing should fallback to media description parsing
+};
+
+} // namespace
+
+#endif