[Oilpan] Apply RefCountedGarbageCollectedEventTarget on AbstractWorker

Source/core/timing/SharedWorkerPerformance.h

Index: Source/core/timing/SharedWorkerPerformance.h
diff --git a/Source/core/timing/SharedWorkerPerformance.h b/Source/core/timing/SharedWorkerPerformance.h
index 70dd9cc91c70939eede02b94459fbe5c56e44576..e049ad968f89ed62bf2e470eec47284df00412b5 100644
--- a/Source/core/timing/SharedWorkerPerformance.h
+++ b/Source/core/timing/SharedWorkerPerformance.h
@@ -38,15 +38,15 @@ namespace blink {
 class ExecutionContext;
 class SharedWorker;
 
-class SharedWorkerPerformance final : public NoBaseWillBeGarbageCollected<SharedWorkerPerformance>, public WillBeHeapSupplement<SharedWorker> {
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SharedWorkerPerformance);
+class SharedWorkerPerformance final : public GarbageCollected<SharedWorkerPerformance>, public HeapSupplement<SharedWorker> {
+    USING_GARBAGE_COLLECTED_MIXIN(SharedWorkerPerformance);
 public:
     static SharedWorkerPerformance& from(SharedWorker&);
 
     static double workerStart(ExecutionContext*, SharedWorker&);
     double getWorkerStart(ExecutionContext*, SharedWorker&) const;
 
-    DEFINE_INLINE_VIRTUAL_TRACE() { WillBeHeapSupplement<SharedWorker>::trace(visitor); }
+    DEFINE_INLINE_VIRTUAL_TRACE() { HeapSupplement<SharedWorker>::trace(visitor); }
 
 private:
     SharedWorkerPerformance();