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

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h

Index: third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h
diff --git a/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h b/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h
index 2c055339275673e8f7f0582711b897836fad6334..5c9a650063182ee8227dc703b3c5b4ced3c40927 100644
--- a/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h
+++ b/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h
@@ -42,6 +42,7 @@
 namespace blink {
 
 class Dictionary;
+class IsolatedWorkerThread;
 class Request;
 class ScriptPromise;
 class ScriptState;
@@ -56,6 +57,7 @@ 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;
@@ -93,6 +95,7 @@ protected:
     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;
@@ -101,6 +104,7 @@ private:
 
     Member<ServiceWorkerClients> m_clients;
     Member<ServiceWorkerRegistration> m_registration;
+    const bool m_isIsolatedWorkerGlobalScope;
     bool m_didEvaluateScript;
     bool m_hadErrorInTopLevelEventHandler;
     unsigned m_eventNestingLevel;