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diff --git a/WebCore/css/CSSVariablesDeclaration.h b/WebCore/css/CSSVariablesDeclaration.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 CSSVariablesDeclaration_h
+#define CSSVariablesDeclaration_h
+
+#include "PlatformString.h"
+#include "StringHash.h"
+#include "StyleBase.h"
+#include <wtf/HashMap.h>
+#include <wtf/RefPtr.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+typedef int ExceptionCode;
+
+class CSSMutableStyleDeclaration;
+class CSSRule;
+class CSSValueList;
+
+class CSSVariablesDeclaration : public StyleBase {
+public:
+    static PassRefPtr<CSSVariablesDeclaration> create(StyleBase* owningRule, const Vector<String>& names, const Vector<RefPtr<StyleBase> >& values)
+    {
+        return adoptRef(new CSSVariablesDeclaration(owningRule, names, values));
+    }
+    virtual ~CSSVariablesDeclaration();
+
+    String getVariableValue(const String&);
+    String removeVariable(const String&, ExceptionCode&);
+    void setVariable(const String&, const String&, ExceptionCode&);
+
+    unsigned length() const;
+    String item(unsigned index);
+
+    CSSRule* parentRule();
+
+    String cssText() const;
+    void setCssText(const String&); // FIXME: The spec contradicts itself regarding whether or not cssText is settable.
+
+    void addParsedVariable(const String& variableName, PassRefPtr<StyleBase> variableValue, bool updateNamesList = true);
+    
+    CSSValueList* getParsedVariable(const String& variableName);
+    CSSMutableStyleDeclaration* getParsedVariableDeclarationBlock(const String& variableName);
+
+private:
+    CSSVariablesDeclaration(StyleBase* owningRule, const Vector<String>& names, const Vector<RefPtr<StyleBase> >& values);
+
+    void setChanged();
+
+protected:
+    Vector<String> m_variableNames;
+    HashMap<String, RefPtr<StyleBase> > m_variablesMap;
+};
+
+} // namespace WebCore
+
+#endif // CSSVariablesDeclaration_h