network service: Create URLLoader for service worker navigation case

content/browser/service_worker/service_worker_url_loader_factory.h

+// 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/browser/service_worker/service_worker_request_handler.h"
+#include "content/common/url_loader_factory.mojom.h"
+
+namespace content {
+
+// Abstract base class for URLLoaderFactorys created for different types of
+// ServiceWorker requests.
+class ServiceWorkerURLLoaderFactory : public mojom::URLLoaderFactory {

[kinuko, 2017/05/08 14:55:48]

Will we need this base class?

[scottmg, 2017/05/08 20:12:31]

Removed. (Not needed now, I was thinking about some sharing we might do, but
better to avoid this complexity for now and we can add it later if we really
need it.)

+ public:
+  explicit ServiceWorkerURLLoaderFactory(
+      std::unique_ptr<ServiceWorkerRequestHandler> handler);
+  ~ServiceWorkerURLLoaderFactory() override;
+
+ private:
+  std::unique_ptr<ServiceWorkerRequestHandler> handler_;
+};
+
+}  // namespace
+
+#endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_LOADER_FACTORY_H_