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

content/browser/service_worker/service_worker_version.cc

 // Copyright 2013 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 "content/browser/service_worker/service_worker_version.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <map>
@@ skipping 896 matching lines @@
 
 void ServiceWorkerVersion::OnDetached(EmbeddedWorkerStatus old_status) {
   if (IsInstalled(status())) {
     ServiceWorkerMetrics::RecordWorkerStopped(
         ServiceWorkerMetrics::StopStatus::DETACH_BY_REGISTRY);
   }
   OnStoppedInternal(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);
 }
 
 void ServiceWorkerVersion::OnScriptLoadFailed() {
   if (IsInstalled(status()))
     UMA_HISTOGRAM_BOOLEAN("ServiceWorker.ScriptLoadSuccess", false);
 }
 
 void ServiceWorkerVersion::OnRegisteredToDevToolsManager() {
@@ skipping 938 matching lines @@
 
 void ServiceWorkerVersion::CleanUpExternalRequest(
     const std::string& request_uuid,
     ServiceWorkerStatusCode status) {
   if (status == SERVICE_WORKER_OK)
     return;
   external_request_uuid_to_request_id_.erase(request_uuid);
 }
 
 }  // namespace content