Revert of Implement dumb URLLoader{Factory} for ServiceWorker script loading

content/browser/service_worker/service_worker_version.cc

Index: content/browser/service_worker/service_worker_version.cc
diff --git a/content/browser/service_worker/service_worker_version.cc b/content/browser/service_worker/service_worker_version.cc
index cf2c4e07580a5b3f983a919ac9acc8566caa1c62..c7fac32149dee12aa482657a72ffebe954546add 100644
--- a/content/browser/service_worker/service_worker_version.cc
+++ b/content/browser/service_worker/service_worker_version.cc
@@ -914,7 +914,14 @@ void ServiceWorkerVersion::OnDetached(EmbeddedWorkerStatus old_status) {
 }
 
 void ServiceWorkerVersion::OnScriptLoaded() {
-  DCHECK(GetMainScriptHttpResponseInfo());
+  DCHECK(GetMainScriptHttpResponseInfo() ||
+         // TODO(scottmg|falken): This DCHECK is currently triggered in
+         // --network-service because ServiceWorkerReadFromCacheJob isn't being
+         // used to retrieve the service worker js. This should be removed once
+         // that's done.
+         (IsBrowserSideNavigationEnabled() &&
+          base::CommandLine::ForCurrentProcess()->HasSwitch(
+              switches::kEnableNetworkService)));
   if (IsInstalled(status()))
     UMA_HISTOGRAM_BOOLEAN("ServiceWorker.ScriptLoadSuccess", true);
 }