ServiceWorker: Create sequenced task runner for database

content/browser/service_worker/service_worker_context_wrapper.h

Index: content/browser/service_worker/service_worker_context_wrapper.h
diff --git a/content/browser/service_worker/service_worker_context_wrapper.h b/content/browser/service_worker/service_worker_context_wrapper.h
index 6d53549071d19da8e5d140403d9348923a1bb166..6b5b841ca638517065d64096cf5aa0980aeb5373 100644
--- a/content/browser/service_worker/service_worker_context_wrapper.h
+++ b/content/browser/service_worker/service_worker_context_wrapper.h
@@ -16,6 +16,7 @@
 
 namespace base {
 class FilePath;
+class SequencedTaskRunner;
 }
 
 namespace quota {
@@ -61,9 +62,17 @@ class CONTENT_EXPORT ServiceWorkerContextWrapper
 
  private:
   friend class base::RefCountedThreadSafe<ServiceWorkerContextWrapper>;
+  friend class EmbeddedWorkerTestHelper;
   friend class ServiceWorkerProcessManager;
   virtual ~ServiceWorkerContextWrapper();
 
+  void InitForTesting(const base::FilePath& user_data_directory,
+                      base::SequencedTaskRunner* database_task_runner,
+                      quota::QuotaManagerProxy* quota_manager_proxy);
+  void InitInternal(const base::FilePath& user_data_directory,
+                    base::SequencedTaskRunner* database_task_runner,
+                    quota::QuotaManagerProxy* quota_manager_proxy);
+
   const scoped_refptr<ObserverListThreadSafe<ServiceWorkerContextObserver> >
       observer_list_;
   // Cleared in Shutdown():