Oilpan: provide eager 'operator new' overload for ServiceWorker.

Source/modules/serviceworkers/ServiceWorker.h

Index: Source/modules/serviceworkers/ServiceWorker.h
diff --git a/Source/modules/serviceworkers/ServiceWorker.h b/Source/modules/serviceworkers/ServiceWorker.h
index b7fd80387c2b8754acd971aec78af200589a6c15..df5408560190d05dd42bc4beb75b67f4fd1b277f 100644
--- a/Source/modules/serviceworkers/ServiceWorker.h
+++ b/Source/modules/serviceworkers/ServiceWorker.h
@@ -56,6 +56,8 @@ public:
 
     // Eager finalization needed to promptly release owned WebServiceWorker.
     EAGERLY_FINALIZE();
+    // Override 'operator new' to enforce allocation of eagerly finalized object.
+    DECLARE_EAGER_FINALIZATION_OPERATOR_NEW();
 
     void postMessage(ExecutionContext*, PassRefPtr<SerializedScriptValue> message, const MessagePortArray*, ExceptionState&);
     void terminate(ExceptionState&);