workers: Rename WorkerThread to WorkerScript.

Source/modules/serviceworkers/ServiceWorkerGlobalScope.h

Index: Source/modules/serviceworkers/ServiceWorkerGlobalScope.h
diff --git a/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h b/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h
index f14f9506e012b7fe881e463cfe21cd1b94daa519..a02b403d2dacea1c01546032789144b128224ad2 100644
--- a/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h
+++ b/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h
@@ -49,14 +49,14 @@ class ServiceWorkerRegistration;
 class ServiceWorkerThread;
 class WaitUntilObserver;
 class WebServiceWorkerRegistration;
-class WorkerThreadStartupData;
+class WorkerScriptStartupData;
 
 typedef RequestOrUSVString RequestInfo;
 
 class MODULES_EXPORT ServiceWorkerGlobalScope final : public WorkerGlobalScope {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<ServiceWorkerGlobalScope> create(ServiceWorkerThread*, PassOwnPtr<WorkerThreadStartupData>);
+    static PassRefPtrWillBeRawPtr<ServiceWorkerGlobalScope> create(ServiceWorkerThread*, PassOwnPtr<WorkerScriptStartupData>);
 
     virtual ~ServiceWorkerGlobalScope();
     virtual bool isServiceWorkerGlobalScope() const override { return true; }