ServiceWorker: Enable ServiceWorkerRegistration and update layout tests

Source/modules/serviceworkers/ServiceWorkerRegistration.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "ServiceWorkerRegistration.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/events/Event.h"
 #include "modules/EventTargetModules.h"
 #include "modules/serviceworkers/ServiceWorkerContainerClient.h"
 #include "modules/serviceworkers/ServiceWorkerError.h"
 #include "public/platform/WebServiceWorkerProvider.h"
 
 namespace blink {
 
 class UndefinedValue {
 public:
-#ifdef DISABLE_SERVICE_WORKER_REGISTRATION
-    typedef WebServiceWorker WebType;
-#else
     typedef WebServiceWorkerRegistration WebType;
-#endif
     static V8UndefinedType take(ScriptPromiseResolver* resolver, WebType* registration)
     {
         ASSERT(!registration); // Anything passed here will be leaked.
         return V8UndefinedType();
     }
     static void dispose(WebType* registration)
     {
         ASSERT(!registration); // Anything passed here will be leaked.
     }
 
@@ skipping 134 matching lines @@
 
 void ServiceWorkerRegistration::stop()
 {
     if (m_stopped)
         return;
     m_stopped = true;
     m_outerRegistration->proxyStopped();
 }
 
 } // namespace blink