[proof-of-concept] SW thread independent of the main thread

third_party/WebKit/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 24 matching lines @@
 #include "modules/ModulesExport.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerRegistration.h"
 #include "wtf/Assertions.h"
 #include "wtf/Forward.h"
 #include <memory>
 
 namespace blink {
 
 class Dictionary;
+class IsolatedWorkerThread;
 class Request;
 class ScriptPromise;
 class ScriptState;
 class ServiceWorkerClients;
 class ServiceWorkerRegistration;
 class ServiceWorkerThread;
 class WaitUntilObserver;
 class WorkerThreadStartupData;
 
 typedef RequestOrUSVString RequestInfo;
 
 class MODULES_EXPORT ServiceWorkerGlobalScope final : public WorkerGlobalScope {
     DEFINE_WRAPPERTYPEINFO();
 public:
+    static ServiceWorkerGlobalScope* create(IsolatedWorkerThread*, std::unique_ptr<WorkerThreadStartupData>);
     static ServiceWorkerGlobalScope* create(ServiceWorkerThread*, std::unique_ptr<WorkerThreadStartupData>);
 
     ~ServiceWorkerGlobalScope() override;
     bool isServiceWorkerGlobalScope() const override { return true; }
 
     // WorkerGlobalScope
     void didEvaluateWorkerScript() override;
 
     // ServiceWorkerGlobalScope.idl
     ServiceWorkerClients* clients();
@@ skipping 17 matching lines @@
     DEFINE_ATTRIBUTE_EVENT_LISTENER(foreignfetch);
 
     DECLARE_VIRTUAL_TRACE();
 
 protected:
     // EventTarget
     DispatchEventResult dispatchEventInternal(Event*) override;
     bool addEventListenerInternal(const AtomicString& eventType, EventListener*, const AddEventListenerOptionsResolved&) override;
 
 private:
+    ServiceWorkerGlobalScope(const KURL&, const String& userAgent, IsolatedWorkerThread*, double timeOrigin, std::unique_ptr<SecurityOrigin::PrivilegeData>);
     ServiceWorkerGlobalScope(const KURL&, const String& userAgent, ServiceWorkerThread*, double timeOrigin, std::unique_ptr<SecurityOrigin::PrivilegeData>, WorkerClients*);
     void importScripts(const Vector<String>& urls, ExceptionState&) override;
     CachedMetadataHandler* createWorkerScriptCachedMetadataHandler(const KURL& scriptURL, const Vector<char>* metaData) override;
     void exceptionThrown(ErrorEvent*) override;
     void scriptLoaded(size_t scriptSize, size_t cachedMetadataSize) override;
 
     Member<ServiceWorkerClients> m_clients;
     Member<ServiceWorkerRegistration> m_registration;
+    const bool m_isIsolatedWorkerGlobalScope;
     bool m_didEvaluateScript;
     bool m_hadErrorInTopLevelEventHandler;
     unsigned m_eventNestingLevel;
     size_t m_scriptCount;
     size_t m_scriptTotalSize;
     size_t m_scriptCachedMetadataTotalSize;
 };
 
 DEFINE_TYPE_CASTS(ServiceWorkerGlobalScope, ExecutionContext, context, context->isServiceWorkerGlobalScope(), context.isServiceWorkerGlobalScope());
 
 } // namespace blink
 
 #endif // ServiceWorkerGlobalScope_h