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

content/common/service_worker/service_worker_status_code.cc

 // Copyright 2014 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.
 
 #include "content/common/service_worker/service_worker_status_code.h"
 
 #include "base/logging.h"
 
 namespace content {
 
@@ skipping 12 matching lines @@
     case SERVICE_WORKER_ERROR_EXISTS:
       return "Already exists";
     case SERVICE_WORKER_ERROR_START_WORKER_FAILED:
       return "ServiceWorker cannot be started";
     case SERVICE_WORKER_ERROR_INSTALL_WORKER_FAILED:
       return "ServiceWorker failed to install";
     case SERVICE_WORKER_ERROR_ACTIVATE_WORKER_FAILED:
       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 "";
 }
 
 }  // namespace content