ServiceWorker: Issue a warning after initial execution of worker script

Source/modules/serviceworkers/ServiceWorkerGlobalScope.h

 /*
  * Copyright (C) 2013 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 37 matching lines @@
 class ServiceWorkerThread;
 class WorkerThreadStartupData;
 
 class ServiceWorkerGlobalScope final : public WorkerGlobalScope {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<ServiceWorkerGlobalScope> create(ServiceWorkerThread*, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>);
 
     virtual ~ServiceWorkerGlobalScope();
     virtual bool isServiceWorkerGlobalScope() const override { return true; }
+
+    // WorkerGlobalScope
     virtual void stopFetch() override;
+    virtual void didEvaluateWorkerScript() override;
 
     // ServiceWorkerGlobalScope.idl
     ServiceWorkerClients* clients();
     String scope(ExecutionContext*);
 
     CacheStorage* caches(ExecutionContext*);
 
     ScriptPromise fetch(ScriptState*, Request*);
     ScriptPromise fetch(ScriptState*, Request*, const Dictionary&);
     ScriptPromise fetch(ScriptState*, const String&);
     ScriptPromise fetch(ScriptState*, const String&, const Dictionary&);
 
     void close(ExceptionState&);
 
     // EventTarget
+    virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) override;
     virtual const AtomicString& interfaceName() const override;
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(install);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(activate);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(fetch);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(sync);
 
     virtual void trace(Visitor*) override;
 
 private:
     ServiceWorkerGlobalScope(const KURL&, const String& userAgent, ServiceWorkerThread*, double timeOrigin, const SecurityOrigin*, PassOwnPtrWillBeRawPtr<WorkerClients>);
     virtual void importScripts(const Vector<String>& urls, ExceptionState&) override;
     virtual void logExceptionToConsole(const String& errorMessage, int scriptId, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>) override;
 
     PersistentWillBeMember<ServiceWorkerClients> m_clients;
     OwnPtr<FetchManager> m_fetchManager;
     PersistentWillBeMember<CacheStorage> m_caches;
+    bool m_didEvaluateScript;
 };
 
 } // namespace blink
 
 #endif // ServiceWorkerGlobalScope_h