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diff --git a/Source/WebCore/css/MediaQuery.h b/Source/WebCore/css/MediaQuery.h
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+/*
+ * CSS Media Query
+ *
+ * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
+ * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef MediaQuery_h
+#define MediaQuery_h
+
+#include "PlatformString.h"
+#include <wtf/PassOwnPtr.h>
+#include <wtf/Vector.h>
+#include <wtf/text/StringHash.h>
+
+namespace WebCore {
+class MediaQueryExp;
+
+class MediaQuery : public Noncopyable {
+public:
+    enum Restrictor {
+        Only, Not, None
+    };
+
+    MediaQuery(Restrictor, const String& mediaType, PassOwnPtr<Vector<OwnPtr<MediaQueryExp> > > exprs);
+    ~MediaQuery();
+
+    Restrictor restrictor() const { return m_restrictor; }
+    const Vector<OwnPtr<MediaQueryExp> >* expressions() const { return m_expressions.get(); }
+    String mediaType() const { return m_mediaType; }
+    bool operator==(const MediaQuery& other) const;
+    String cssText() const;
+    bool ignored() const { return m_ignored; }
+
+ private:
+    Restrictor m_restrictor;
+    String m_mediaType;
+    OwnPtr<Vector<OwnPtr<MediaQueryExp> > > m_expressions;
+    bool m_ignored;
+    String m_serializationCache;
+
+    String serialize() const;
+};
+
+} // namespace
+
+#endif