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diff --git a/Source/WebCore/bindings/v8/ArrayValue.h b/Source/WebCore/bindings/v8/ArrayValue.h
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+++ b/Source/WebCore/bindings/v8/ArrayValue.h
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+/*
+ * Copyright (C) 2012 Google 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 AND ITS CONTRIBUTORS "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 OR ITS 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 ArrayValue_h
+#define ArrayValue_h
+
+#include <v8.h>
+
+namespace WebCore {
+
+class Dictionary;
+
+class ArrayValue {
+public:
+    ArrayValue() : m_isolate(0) { }
+    explicit ArrayValue(const v8::Local<v8::Array>& array, v8::Isolate* isolate)
+        : m_array(array)
+        , m_isolate(isolate)
+    {
+        ASSERT(m_isolate);
+    }
+    ~ArrayValue() { }
+
+    ArrayValue& operator=(const ArrayValue&);
+
+    bool isUndefinedOrNull() const;
+
+    bool length(size_t&) const;
+    bool get(size_t index, Dictionary&) const;
+
+private:
+    // This object can only be used safely when stack allocated because of v8::Local.
+    static void* operator new(size_t);
+    static void* operator new[](size_t);
+    static void operator delete(void *);
+
+    v8::Local<v8::Array> m_array;
+    v8::Isolate* m_isolate;
+};
+
+}
+
+#endif // ArrayValue_h