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diff --git a/Source/WebKit2/Shared/API/APISerializedScriptValue.h b/Source/WebKit2/Shared/API/APISerializedScriptValue.h
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+++ b/Source/WebKit2/Shared/API/APISerializedScriptValue.h
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+/*
+ * Copyright (C) 2010 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. 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 INC. 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 APISerializedScriptValue_h
+#define APISerializedScriptValue_h
+
+#include "APIObject.h"
+
+#include "DataReference.h"
+#include <WebCore/SerializedScriptValue.h>
+#include <wtf/RefPtr.h>
+
+namespace API {
+
+class SerializedScriptValue : public API::ObjectImpl<API::Object::Type::SerializedScriptValue> {
+public:
+    static Ref<SerializedScriptValue> create(PassRefPtr<WebCore::SerializedScriptValue> serializedValue)
+    {
+        return adoptRef(*new SerializedScriptValue(serializedValue));
+    }
+    
+    static RefPtr<SerializedScriptValue> create(JSContextRef context, JSValueRef value, JSValueRef* exception)
+    {
+        RefPtr<WebCore::SerializedScriptValue> serializedValue = WebCore::SerializedScriptValue::create(context, value, exception);
+        if (!serializedValue)
+            return nullptr;
+        return adoptRef(*new SerializedScriptValue(serializedValue.get()));
+    }
+    
+    static Ref<SerializedScriptValue> adopt(Vector<uint8_t>&& buffer)
+    {
+        return adoptRef(*new SerializedScriptValue(WebCore::SerializedScriptValue::adopt(WTFMove(buffer))));
+    }
+    
+    JSValueRef deserialize(JSContextRef context, JSValueRef* exception)
+    {
+        return m_serializedScriptValue->deserialize(context, exception);
+    }
+    
+#if PLATFORM(COCOA) && defined(__OBJC__)
+    static id deserialize(WebCore::SerializedScriptValue&, JSValueRef* exception);
+#endif
+
+    IPC::DataReference dataReference() const { return m_serializedScriptValue->data(); }
+
+    WebCore::SerializedScriptValue* internalRepresentation() { return m_serializedScriptValue.get(); }
+
+private:
+    explicit SerializedScriptValue(PassRefPtr<WebCore::SerializedScriptValue> serializedScriptValue)
+        : m_serializedScriptValue(serializedScriptValue)
+    {
+    }
+
+    RefPtr<WebCore::SerializedScriptValue> m_serializedScriptValue;
+};
+    
+}
+
+#endif