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diff --git a/src/3rdparty/webkit/JavaScriptCore/wrec/CharacterClassConstructor.h b/src/3rdparty/webkit/JavaScriptCore/wrec/CharacterClassConstructor.h
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+++ b/src/3rdparty/webkit/JavaScriptCore/wrec/CharacterClassConstructor.h
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+/*
+ * Copyright (C) 2008 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 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 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 CharacterClassConstructor_h
+#define CharacterClassConstructor_h
+
+#include <wtf/Platform.h>
+
+#if ENABLE(WREC)
+
+#include "CharacterClass.h"
+#include <wtf/AlwaysInline.h>
+#include <wtf/Vector.h>
+#include <wtf/unicode/Unicode.h>
+
+namespace JSC { namespace WREC {
+
+    class CharacterClassConstructor {
+    public:
+        CharacterClassConstructor(bool isCaseInsensitive)
+            : m_charBuffer(-1)
+            , m_isPendingDash(false)
+            , m_isCaseInsensitive(isCaseInsensitive)
+            , m_isUpsideDown(false)
+        {
+        }
+
+        void flush();
+        
+        // We need to flush prior to an escaped hyphen to prevent it as being treated as indicating
+        // a range, e.g. [a\-c] we flush prior to adding the hyphen so that this is not treated as
+        // [a-c].  However, we do not want to flush if we have already seen a non escaped hyphen -
+        // e.g. [+-\-] should be treated the same as [+--], producing a range that will also match
+        // a comma.
+        void flushBeforeEscapedHyphen()
+        {
+            if (!m_isPendingDash)
+                flush();
+        }
+        
+        void put(UChar ch);
+        void append(const CharacterClass& other);
+
+        bool isUpsideDown() { return m_isUpsideDown; }
+
+        ALWAYS_INLINE CharacterClass charClass()
+        {
+            CharacterClass newCharClass = {
+                m_matches.begin(), m_matches.size(),
+                m_ranges.begin(), m_ranges.size(),
+                m_matchesUnicode.begin(), m_matchesUnicode.size(),
+                m_rangesUnicode.begin(), m_rangesUnicode.size(),
+            };
+
+            return newCharClass;
+        }
+
+    private:
+        void addSorted(Vector<UChar>& matches, UChar ch);
+        void addSortedRange(Vector<CharacterRange>& ranges, UChar lo, UChar hi);
+
+        int m_charBuffer;
+        bool m_isPendingDash;
+        bool m_isCaseInsensitive;
+        bool m_isUpsideDown;
+
+        Vector<UChar> m_matches;
+        Vector<CharacterRange> m_ranges;
+        Vector<UChar> m_matchesUnicode;
+        Vector<CharacterRange> m_rangesUnicode;
+    };
+
+} } // namespace JSC::WREC
+
+#endif // ENABLE(WREC)
+
+#endif // CharacterClassConstructor_h