ServiceWorker: Create sequenced task runner for database

content/browser/service_worker/service_worker_storage.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_storage.h"
 
 #include <string>
+
 #include "base/message_loop/message_loop.h"
+#include "base/sequenced_task_runner.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_info.h"
 #include "content/browser/service_worker/service_worker_registration.h"
 #include "content/browser/service_worker/service_worker_utils.h"
 #include "content/browser/service_worker/service_worker_version.h"
 #include "content/public/browser/browser_thread.h"
 #include "webkit/browser/quota/quota_manager_proxy.h"
 
 namespace content {
 
@@ skipping 20 matching lines @@
 }
 
 const base::FilePath::CharType kServiceWorkerDirectory[] =
     FILE_PATH_LITERAL("ServiceWorker");
 
 }  // namespace
 
 ServiceWorkerStorage::ServiceWorkerStorage(
     const base::FilePath& path,
     base::WeakPtr<ServiceWorkerContextCore> context,
+    base::SequencedTaskRunner* database_task_runner,
     quota::QuotaManagerProxy* quota_manager_proxy)
     : last_registration_id_(0),
       last_version_id_(0),
       last_resource_id_(0),
       simulated_lazy_initted_(false),
       context_(context),
+      database_task_runner_(database_task_runner),
       quota_manager_proxy_(quota_manager_proxy) {
   if (!path.empty())
     path_ = path.Append(kServiceWorkerDirectory);
 }
 
 ServiceWorkerStorage::~ServiceWorkerStorage() {
 }
 
 void ServiceWorkerStorage::FindRegistrationForPattern(
     const GURL& scope,
@@ skipping 349 matching lines @@
 ServiceWorkerStorage::FindInstallingRegistrationForId(
     int64 registration_id) {
   RegistrationRefsById::const_iterator found =
       installing_registrations_.find(registration_id);
   if (found == installing_registrations_.end())
     return NULL;
   return found->second;
 }
 
 }  // namespace content