Remove --enable-service-worker flag

extensions/common/manifest_handlers/background_info.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 "extensions/common/manifest_handlers/background_info.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 122 matching lines @@
 }
 
 bool BackgroundInfo::LoadServiceWorkerScript(const Extension* extension,
                                              const std::string& key,
                                              base::string16* error) {
   const base::Value* service_worker_script_value = NULL;
   if (!extension->manifest()->Get(key, &service_worker_script_value))
     return true;
 
   if (!CommandLine::ForCurrentProcess()->HasSwitch(
-          ::switches::kEnableServiceWorker)) {
+          ::switches::kEnableExperimentalWebPlatformFeatures)) {
     *error = ASCIIToUTF16(errors::kServiceWorkerRequiresFlag);
     return false;
   }
 
   CHECK(service_worker_script_value);
   if (!service_worker_script_value->GetAsString(&service_worker_script_)) {
     *error = ASCIIToUTF16(errors::kInvalidServiceWorkerScript);
     return false;
   }
   return true;
@@ skipping 199 matching lines @@
                                keys::kBackgroundPageLegacy,
                                keys::kBackgroundPersistent,
                                keys::kBackgroundScripts,
                                keys::kPlatformAppBackgroundPage,
                                keys::kPlatformAppBackgroundScripts,
                                keys::kPlatformAppServiceWorkerScript};
   return std::vector<std::string>(keys, keys + arraysize(keys));
 }
 
 }  // namespace extensions