Oilpan: move Worker objects to the oilpan heap.

Source/core/workers/AbstractWorker.h

 /*
  * Copyright (C) 2010 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
@@ skipping 18 matching lines @@
  */
 
 #ifndef AbstractWorker_h
 #define AbstractWorker_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/events/EventListener.h"
 #include "core/events/EventTarget.h"
 #include "core/events/ThreadLocalEventNames.h"
+#include "heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/AtomicStringHash.h"
 
 namespace WebCore {
 
 class ExceptionState;
 class KURL;
 class ExecutionContext;
 
-class AbstractWorker : public RefCounted<AbstractWorker>, public EventTargetWithInlineData, public ActiveDOMObject {
-    REFCOUNTED_EVENT_TARGET(AbstractWorker);
+class AbstractWorker : public RefCountedWillBeRefCountedGarbageCollected<AbstractWorker>, public EventTargetWithInlineData, public ActiveDOMObject {
+    DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<AbstractWorker>);
 public:
     // EventTarget APIs
     virtual ExecutionContext* executionContext() const OVERRIDE FINAL { return ActiveDOMObject::executionContext(); }
 
     DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(error);
 
     AbstractWorker(ExecutionContext*);
     virtual ~AbstractWorker();
 
+    virtual void trace(Visitor*) { }
+
 protected:
     // Helper function that converts a URL to an absolute URL and checks the result for validity.
     KURL resolveURL(const String& url, ExceptionState&);
     intptr_t asID() const { return reinterpret_cast<intptr_t>(this); }
 };
 
 } // namespace WebCore
 
 #endif // AbstractWorker_h