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

Source/bindings/core/v8/V8WorkerGlobalScopeEventListener.h

Index: Source/bindings/core/v8/V8WorkerGlobalScopeEventListener.h
diff --git a/Source/bindings/core/v8/V8WorkerGlobalScopeEventListener.h b/Source/bindings/core/v8/V8WorkerGlobalScopeEventListener.h
index 81df41d9cab2b3fe9d324aaeb134ad73dda952d0..77ce82a1f537950bf1b6019fa1e48f93760beb48 100644
--- a/Source/bindings/core/v8/V8WorkerGlobalScopeEventListener.h
+++ b/Source/bindings/core/v8/V8WorkerGlobalScopeEventListener.h
@@ -46,13 +46,13 @@ public:
         return adoptRef(new V8WorkerGlobalScopeEventListener(listener, isInline, scriptState));
     }
 
-    virtual void handleEvent(ScriptState*, Event*) override;
+    void handleEvent(ScriptState*, Event*) override;
 
 protected:
     V8WorkerGlobalScopeEventListener(v8::Local<v8::Object> listener, bool isInline, ScriptState*);
 
 private:
-    virtual v8::Local<v8::Value> callListenerFunction(ScriptState*, v8::Local<v8::Value>, Event*) override;
+    v8::Local<v8::Value> callListenerFunction(ScriptState*, v8::Local<v8::Value>, Event*) override;
     v8::Local<v8::Object> getReceiverObject(ScriptState*, Event*);
 };