Fix crash when forwarding a request to a null service worker.

content/browser/service_worker/service_worker_write_to_cache_job_unittest.cc

Index: content/browser/service_worker/service_worker_write_to_cache_job_unittest.cc
diff --git a/content/browser/service_worker/service_worker_write_to_cache_job_unittest.cc b/content/browser/service_worker/service_worker_write_to_cache_job_unittest.cc
index 9215adeeb102679610f442505d86910bbad0e13f..d1e2328f21f84d455cb633346e7fec87a613d300 100644
--- a/content/browser/service_worker/service_worker_write_to_cache_job_unittest.cc
+++ b/content/browser/service_worker/service_worker_write_to_cache_job_unittest.cc
@@ -293,7 +293,7 @@ class ServiceWorkerWriteToCacheJobTest : public testing::Test {
     std::unique_ptr<ServiceWorkerProviderHost> host(
         new ServiceWorkerProviderHost(
             process_id, MSG_ROUTING_NONE, provider_id,
-            SERVICE_WORKER_PROVIDER_FOR_WORKER,
+            SERVICE_WORKER_PROVIDER_FOR_CONTROLLER,
             ServiceWorkerProviderHost::FrameSecurityLevel::SECURE,
             context()->AsWeakPtr(), nullptr));
     base::WeakPtr<ServiceWorkerProviderHost> provider_host = host->AsWeakPtr();