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

content/common/service_worker/service_worker_status_code.cc

Index: content/common/service_worker/service_worker_status_code.cc
diff --git a/content/common/service_worker/service_worker_status_code.cc b/content/common/service_worker/service_worker_status_code.cc
index bdf28a94f67df59731ae2d556962b7db344636cf..a402a8a73ef0e72c2211b3c2c580e27fcf450160 100644
--- a/content/common/service_worker/service_worker_status_code.cc
+++ b/content/common/service_worker/service_worker_status_code.cc
@@ -30,6 +30,10 @@ const char* ServiceWorkerStatusToString(ServiceWorkerStatusCode status) {
       return "ServiceWorker failed to activate";
     case SERVICE_WORKER_ERROR_IPC_FAILED:
       return "IPC connection was closed or IPC error has occured";
+    case SERVICE_WORKER_ERROR_NETWORK:
+      return "Operation failed by network issue";
+    case SERVICE_WORKER_ERROR_SECURITY:
+      return "Operation failed by security issue";
   }
   NOTREACHED();
   return "";