Not for review - Rebase of crrev.com/62833003

Source/core/workers/UIWorker.h

 /*
  * Copyright (C) 2008, 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 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 Worker_h
-#define Worker_h
+#ifndef UIWorker_h
+#define UIWorker_h
 
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/MessagePort.h"
 #include "core/events/EventListener.h"
 #include "core/events/EventTarget.h"
 #include "core/workers/AbstractWorker.h"
+#include "core/workers/Worker.h"
 #include "core/workers/WorkerScriptLoaderClient.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/AtomicStringHash.h"
 
 namespace blink {
 
 class ExceptionState;
 class ExecutionContext;
 class WorkerGlobalScopeProxy;
 class WorkerScriptLoader;
 
-class Worker final : public AbstractWorker, private WorkerScriptLoaderClient {
+class UIWorker final : public Worker {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<Worker> create(ExecutionContext*, const String& url, ExceptionState&);
-    virtual ~Worker();
+    static PassRefPtrWillBeRawPtr<UIWorker> create(ExecutionContext*, const String& url, ExceptionState&);
+    virtual ~UIWorker();
 
     virtual const AtomicString& interfaceName() const override;
 
-    void postMessage(ExecutionContext*, PassRefPtr<SerializedScriptValue> message, const MessagePortArray*, ExceptionState&);
-
-    void terminate();
-
-    virtual void stop() override;
-    virtual bool hasPendingActivity() const override;
-
-    DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
-
-    virtual void trace(Visitor*) override;
+    virtual bool isUIWorker() const override { return true; }
 
 private:
-    explicit Worker(ExecutionContext*);
+    explicit UIWorker(ExecutionContext*);
 
-    // WorkerScriptLoaderClient callbacks
-    virtual void didReceiveResponse(unsigned long identifier, const ResourceResponse&) override;
-    virtual void notifyFinished() override;
-
-    RefPtr<WorkerScriptLoader> m_scriptLoader;
-    WorkerGlobalScopeProxy* m_contextProxy; // The proxy outlives the worker to perform thread shutdown.
 };
 
 } // namespace blink
 
-#endif // Worker_h
+#endif // UIWorker_h