network service: Create URLLoader for service worker navigation case

content/browser/service_worker/service_worker_url_loader_factory.h

Index: content/browser/service_worker/service_worker_url_loader_factory.h
diff --git a/content/browser/service_worker/service_worker_url_loader_factory.h b/content/browser/service_worker/service_worker_url_loader_factory.h
new file mode 100644
index 0000000000000000000000000000000000000000..dead475d7e30fd29ef8909cd575b6520c1e9c7e9
--- /dev/null
+++ b/content/browser/service_worker/service_worker_url_loader_factory.h
@@ -0,0 +1,24 @@
+// Copyright 2017 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.
+
+#ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_LOADER_FACTORY_H_
+#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_LOADER_FACTORY_H_
+
+#include "content/common/url_loader_factory.mojom.h"
+
+namespace content {
+
+class ServiceWorkerRequestHandler;
+
+// Abstract base class for URLLoaderFactorys created for different types of
+// ServiceWorker requests.
+class ServiceWorkerURLLoaderFactory : public mojom::URLLoaderFactory {
+ public:
+ private:
+  std::unique_ptr<ServiceWorkerRequestHandler> handler_;
+};
+
+}  // namespace
+
+#endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_LOADER_FACTORY_H_