ServiceWorker: Change worker script fetch error code(2/3).

content/common/service_worker/service_worker_status_code.h

Index: content/common/service_worker/service_worker_status_code.h
diff --git a/content/common/service_worker/service_worker_status_code.h b/content/common/service_worker/service_worker_status_code.h
index a0245e48e10feabbe48edc800c6badbea8adfbc4..953d533fc3c85387426fe5f84cd6b973400e581f 100644
--- a/content/common/service_worker/service_worker_status_code.h
+++ b/content/common/service_worker/service_worker_status_code.h
@@ -42,6 +42,12 @@ enum ServiceWorkerStatusCode {
   // Sending an IPC to the worker failed (often due to child process is
   // terminated).
   SERVICE_WORKER_ERROR_IPC_FAILED,
+
+  // Operation is failed by network issue.
+  SERVICE_WORKER_ERROR_NETWORK,
+
+  // Operation is failed by security issue.
+  SERVICE_WORKER_ERROR_SECURITY,
 };
 
 CONTENT_EXPORT const char* ServiceWorkerStatusToString(