Fix virtual/override/final usage in Source/modules/.

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 c6d02f93232c4757de277a6b4c6944282c29bdfd..323034eef93ae6dc24064aed3813e758c6664723 100644
--- a/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h
+++ b/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h
@@ -59,11 +59,11 @@ class MODULES_EXPORT ServiceWorkerGlobalScope final : public WorkerGlobalScope {
 public:
     static PassRefPtrWillBeRawPtr<ServiceWorkerGlobalScope> create(ServiceWorkerThread*, PassOwnPtr<WorkerThreadStartupData>);
 
-    virtual ~ServiceWorkerGlobalScope();
-    virtual bool isServiceWorkerGlobalScope() const override { return true; }
+    ~ServiceWorkerGlobalScope() override;
+    bool isServiceWorkerGlobalScope() const override { return true; }
 
     // WorkerGlobalScope
-    virtual void didEvaluateWorkerScript() override;
+    void didEvaluateWorkerScript() override;
 
     // ServiceWorkerGlobalScope.idl
     ServiceWorkerClients* clients();
@@ -79,9 +79,9 @@ public:
     void setRegistration(WebServiceWorkerRegistration*);
 
     // EventTarget
-    virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) override;
-    virtual const AtomicString& interfaceName() const override;
-    virtual bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) override;
+    bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) override;
+    const AtomicString& interfaceName() const override;
+    bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) override;
 
     void dispatchExtendableEvent(PassRefPtrWillBeRawPtr<Event>, WaitUntilObserver*);