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diff --git a/Source/WebCore/page/UserContentURLPattern.h b/Source/WebCore/page/UserContentURLPattern.h
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+++ b/Source/WebCore/page/UserContentURLPattern.h
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+/*
+ * Copyright (C) 2009 Apple Inc. All rights reserved.
+ *
+ * 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 APPLE COMPUTER, INC. ``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 UserContentURLPattern_h
+#define UserContentURLPattern_h
+
+#include "PlatformString.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class KURL;
+
+class UserContentURLPattern {
+public:
+    UserContentURLPattern() : m_invalid(true), m_matchSubdomains(false) { }
+
+    UserContentURLPattern(const String& pattern)
+    : m_matchSubdomains(false)
+    {
+        m_invalid = !parse(pattern);
+    }
+
+    bool isValid() const { return !m_invalid; }
+
+    bool matches(const KURL&) const;
+
+    const String& scheme() const { return m_scheme; }
+    const String& host() const { return m_host; }
+    const String& path() const { return m_path; }
+
+    bool matchSubdomains() const { return m_matchSubdomains; }
+    
+    static bool matchesPatterns(const KURL&, const Vector<String>* whitelist, const Vector<String>* blacklist);
+
+private:
+    bool parse(const String& pattern);
+
+    bool matchesHost(const KURL&) const;
+    bool matchesPath(const KURL&) const;
+
+    bool m_invalid;
+
+    String m_scheme;
+    String m_host;
+    String m_path;
+
+    bool m_matchSubdomains;
+};
+
+
+} // namespace WebCore
+
+#endif // UserContentURLPattern_h