ServiceWorker: Create sequenced task runner for database

content/browser/service_worker/embedded_worker_test_helper.cc

Index: content/browser/service_worker/embedded_worker_test_helper.cc
diff --git a/content/browser/service_worker/embedded_worker_test_helper.cc b/content/browser/service_worker/embedded_worker_test_helper.cc
index 698e260d3de821c3fe57a65b3c27c5415ee40c21..e6f8ce57a7f0c4d616fdf596e2e30f6c5e73bcfc 100644
--- a/content/browser/service_worker/embedded_worker_test_helper.cc
+++ b/content/browser/service_worker/embedded_worker_test_helper.cc
@@ -23,7 +23,9 @@ EmbeddedWorkerTestHelper::EmbeddedWorkerTestHelper(int mock_render_process_id)
     : wrapper_(new ServiceWorkerContextWrapper(NULL)),
       next_thread_id_(0),
       weak_factory_(this) {
-  wrapper_->Init(base::FilePath(), NULL);
+  wrapper_->InitForTesting(base::FilePath(),
+                           base::MessageLoopProxy::current(),
+                           NULL);
   scoped_ptr<ServiceWorkerProcessManager> process_manager(
       new ServiceWorkerProcessManager(wrapper_));
   process_manager->SetProcessRefcountOpsForTest(base::Bind(AlwaysTrue),