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diff --git a/src/3rdparty/webkit/WebCore/workers/AbstractWorker.h b/src/3rdparty/webkit/WebCore/workers/AbstractWorker.h
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+/*
+ * 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER 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 AbstractWorker_h
+#define AbstractWorker_h
+
+#if ENABLE(SHARED_WORKERS)
+
+#include "ActiveDOMObject.h"
+#include "AtomicStringHash.h"
+#include "EventListener.h"
+#include "EventTarget.h"
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+
+    class ScriptExecutionContext;
+
+    class AbstractWorker : public RefCounted<AbstractWorker>, public ActiveDOMObject, public EventTarget {
+    public:
+        // EventTarget APIs
+        virtual ScriptExecutionContext* scriptExecutionContext() const { return ActiveDOMObject::scriptExecutionContext(); }
+
+        virtual void addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
+        virtual void removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture);
+        virtual bool dispatchEvent(PassRefPtr<Event>, ExceptionCode&);
+
+        // Utility routines to generate appropriate error events for loading and script exceptions.
+        void dispatchLoadErrorEvent();
+        void dispatchScriptErrorEvent(const String& errorMessage, const String& sourceURL, int);
+
+        void setOnerror(PassRefPtr<EventListener> eventListener) { m_onErrorListener = eventListener; }
+        EventListener* onerror() const { return m_onErrorListener.get(); }
+        typedef Vector<RefPtr<EventListener> > ListenerVector;
+        typedef HashMap<AtomicString, ListenerVector> EventListenersMap;
+        EventListenersMap& eventListeners() { return m_eventListeners; }
+
+        using RefCounted<AbstractWorker>::ref;
+        using RefCounted<AbstractWorker>::deref;
+
+        AbstractWorker(ScriptExecutionContext*);
+        virtual ~AbstractWorker();
+
+    private:
+
+        virtual void refEventTarget() { ref(); }
+        virtual void derefEventTarget() { deref(); }
+
+        RefPtr<EventListener> m_onErrorListener;
+        EventListenersMap m_eventListeners;
+    };
+
+} // namespace WebCore
+
+#endif // ENABLE(SHARED_WORKERS)
+
+#endif // AbstractWorker_h