Implement memory-persistent registration

content/browser/service_worker/service_worker_registration_status.h

+// 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.
+
+#ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_STATUS_H_
+#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_STATUS_H_
+
+namespace content {
+
+// This enum is used to describe the final state of a ServiceWorkerRegistration.
+enum ServiceWorkerRegistrationStatus {
+  REGISTRATION_OK,
+  REGISTRATION_NOT_FOUND,
+  REGISTRATION_INSTALL_FAILED,
+  REGISTRATION_ACTIVATE_FAILED,
+  REGISTRATION_FAILED,
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_STATUS_H_