[Oilpan] Apply RefCountedGarbageCollectedEventTarget on AbstractWorker

Source/core/workers/AbstractWorker.h

Index: Source/core/workers/AbstractWorker.h
diff --git a/Source/core/workers/AbstractWorker.h b/Source/core/workers/AbstractWorker.h
index 91be9b5eda0abe12e65ae7e701a263e3aad9ad6d..d092c9445dee240f0d1649c9af62bf4a8a5db316 100644
--- a/Source/core/workers/AbstractWorker.h
+++ b/Source/core/workers/AbstractWorker.h
@@ -36,9 +36,7 @@
 #include "core/events/EventListener.h"
 #include "core/events/EventTarget.h"
 #include "platform/heap/Handle.h"
-#include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
-#include "wtf/RefPtr.h"
 #include "wtf/text/AtomicStringHash.h"
 
 namespace blink {
@@ -47,8 +45,8 @@ class ExceptionState;
 class KURL;
 class ExecutionContext;
 
-class CORE_EXPORT AbstractWorker : public EventTargetWithInlineData, public RefCountedWillBeNoBase<AbstractWorker>, public ActiveDOMObject {
-    REFCOUNTED_EVENT_TARGET(AbstractWorker);
+class CORE_EXPORT AbstractWorker : public RefCountedGarbageCollectedEventTargetWithInlineData<AbstractWorker>, public ActiveDOMObject {
+    REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(AbstractWorker);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(AbstractWorker);
 public:
     // EventTarget APIs