Service worker registration error support

content/browser/service_worker/service_worker_context.cc

 // 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.
 
 #include "content/browser/service_worker/service_worker_context.h"
 
+#include "base/command_line.h"
 #include "base/files/file_path.h"
+#include "content/public/common/content_switches.h"
 #include "webkit/browser/quota/quota_manager.h"
 
 namespace content {
 
 const base::FilePath::CharType kServiceWorkerDirectory[] =
     FILE_PATH_LITERAL("ServiceWorker");
 
 ServiceWorkerContext::ServiceWorkerContext(
     const base::FilePath& path,
     quota::QuotaManagerProxy* quota_manager_proxy)
     : quota_manager_proxy_(quota_manager_proxy) {
   if (!path.empty())
     path_ = path.Append(kServiceWorkerDirectory);
 }
 
+bool ServiceWorkerContext::IsEnabled() {
+  return CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableServiceWorker);
+}
+
 ServiceWorkerContext::~ServiceWorkerContext() {}
 
 }  // namespace content