Remove --enable-service-worker flag

content/browser/service_worker/service_worker_utils.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/browser/service_worker/service_worker_utils.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "content/public/common/content_switches.h"
 #include "url/gurl.h"
 
 namespace content {
 
 // static
-bool ServiceWorkerUtils::IsFeatureEnabled() {
-  static bool enabled = CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kEnableServiceWorker);
-  return enabled;
-}
-
-// static
 bool ServiceWorkerUtils::ScopeMatches(const GURL& scope, const GURL& url) {
   DCHECK(!scope.has_ref());
   DCHECK(!url.has_ref());
   const std::string& scope_spec = scope.spec();
   const std::string& url_spec = url.spec();
 
   size_t len = scope_spec.size();
   if (len > 0 && scope_spec[len - 1] == '*')
     return scope_spec.compare(0, len - 1, url_spec, 0, len - 1) == 0;
   return scope_spec == url_spec;
@@ skipping 22 matching lines @@
   // (https://github.com/slightlyoff/ServiceWorker/issues/287)
   if (match_spec.size() == scope_spec.size() && match_spec < scope_spec) {
     match_ = scope;
     return true;
   }
 
   return false;
 }
 
 }  // namespace content