Remove implicit conversions from scoped_refptr to T* in content/browser/service_worker

content/browser/service_worker/service_worker_unregister_job.cc

Index: content/browser/service_worker/service_worker_unregister_job.cc
diff --git a/content/browser/service_worker/service_worker_unregister_job.cc b/content/browser/service_worker/service_worker_unregister_job.cc
index aabad3aaf2f49e02422d448da024da20f1418f21..4b15f7df6e80cf31d94d01e6688e47e167f264ba 100644
--- a/content/browser/service_worker/service_worker_unregister_job.cc
+++ b/content/browser/service_worker/service_worker_unregister_job.cc
@@ -57,7 +57,7 @@ void ServiceWorkerUnregisterJob::OnRegistrationFound(
     ServiceWorkerStatusCode status,
     const scoped_refptr<ServiceWorkerRegistration>& registration) {
   if (status == SERVICE_WORKER_ERROR_NOT_FOUND) {
-    DCHECK(!registration);
+    DCHECK(!registration.get());
     Complete(SERVICE_WORKER_OK);
     return;
   }