ServiceWorker: Enable ServiceWorkerRegistration and update layout tests

Source/modules/serviceworkers/ServiceWorkerContainer.cpp

Index: Source/modules/serviceworkers/ServiceWorkerContainer.cpp
diff --git a/Source/modules/serviceworkers/ServiceWorkerContainer.cpp b/Source/modules/serviceworkers/ServiceWorkerContainer.cpp
index 68d72c74daa486c481badd2ce7ac8b56aebd76b5..f966de158b6a7b134acaf53c78bd0cc1b3b8990e 100644
--- a/Source/modules/serviceworkers/ServiceWorkerContainer.cpp
+++ b/Source/modules/serviceworkers/ServiceWorkerContainer.cpp
@@ -119,22 +119,14 @@ ScriptPromise ServiceWorkerContainer::registerServiceWorker(ScriptState* scriptS
         return promise;
     }
 
-#ifdef DISABLE_SERVICE_WORKER_REGISTRATION
-    m_provider->registerServiceWorker(patternURL, scriptURL, new CallbackPromiseAdapter<ServiceWorker, ServiceWorkerError>(resolver));
-#else
     m_provider->registerServiceWorker(patternURL, scriptURL, new CallbackPromiseAdapter<ServiceWorkerRegistration, ServiceWorkerError>(resolver));
-#endif
 
     return promise;
 }
 
 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.