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diff --git a/Source/WebCore/workers/WorkerScriptLoader.h b/Source/WebCore/workers/WorkerScriptLoader.h
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+++ b/Source/WebCore/workers/WorkerScriptLoader.h
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+/*
+ * Copyright (C) 2009 Apple Inc. All Rights Reserved.
+ * Copyright (C) 2009 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 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 WorkerScriptLoader_h
+#define WorkerScriptLoader_h
+
+#if ENABLE(WORKERS)
+
+#include "KURL.h"
+#include "ResourceRequest.h"
+#include "ResourceResponse.h"
+#include "TextResourceDecoder.h"
+#include "ThreadableLoader.h"
+#include "ThreadableLoaderClient.h"
+
+namespace WebCore {
+
+    class ScriptExecutionContext;
+    class WorkerScriptLoaderClient;
+
+    class WorkerScriptLoader : public ThreadableLoaderClient {
+    public:
+        explicit WorkerScriptLoader(ResourceRequestBase::TargetType);
+
+        void loadSynchronously(ScriptExecutionContext*, const KURL&, CrossOriginRequestPolicy);
+        void loadAsynchronously(ScriptExecutionContext*, const KURL&, CrossOriginRequestPolicy, WorkerScriptLoaderClient*);
+
+        void notifyError();
+
+        const String& script() const { return m_script; }
+        const KURL& url() const { return m_url; }
+        bool failed() const { return m_failed; }
+        unsigned long identifier() const { return m_identifier; }
+
+        virtual void didReceiveResponse(const ResourceResponse&);
+        virtual void didReceiveData(const char* data, int lengthReceived);
+        virtual void didFinishLoading(unsigned long identifier);
+        virtual void didFail(const ResourceError&);
+        virtual void didFailRedirectCheck();
+        virtual void didReceiveAuthenticationCancellation(const ResourceResponse&);
+
+    private:
+        PassOwnPtr<ResourceRequest> createResourceRequest();
+        void notifyFinished();
+
+        WorkerScriptLoaderClient* m_client;
+        RefPtr<ThreadableLoader> m_threadableLoader;
+        String m_responseEncoding;        
+        RefPtr<TextResourceDecoder> m_decoder;
+        String m_script;
+        KURL m_url;
+        bool m_failed;
+        unsigned long m_identifier;
+        ResourceRequestBase::TargetType m_targetType;
+    };
+
+} // namespace WebCore
+
+#endif // ENABLE(WORKERS)
+
+#endif // WorkerScriptLoader_h