service worker scaffolding

content/browser/service_worker/service_worker_context_wrapper.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_context_wrapper.h"
+
+#include "base/files/file_path.h"
+#include "content/browser/service_worker/service_worker_context_core.h"
+#include "content/public/browser/browser_thread.h"
+#include "webkit/browser/quota/quota_manager.h"
+
+namespace content {
+
+ServiceWorkerContextWrapper::ServiceWorkerContextWrapper(
+    const base::FilePath& user_data_directory,
+    quota::QuotaManagerProxy* quota_manager_proxy)
+    : quota_manager_proxy_(quota_manager_proxy),
+      user_data_directory_(user_data_directory),
+      is_shutdown_(false) {
+}
+
+ServiceWorkerContextWrapper::~ServiceWorkerContextWrapper() {
+}
+
+void ServiceWorkerContextWrapper::Shutdown() {
+  if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE,
+        base::Bind(&ServiceWorkerContextWrapper::Shutdown, this));
+    return;
+  }
+  is_shutdown_ = true;
+  context_core_.reset();
+}
+
+ServiceWorkerContextCore* ServiceWorkerContextWrapper::context() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  if (is_shutdown_)
+    return NULL;
+  if (!context_core_) {
+    context_core_.reset(
+        new ServiceWorkerContextCore(
+            user_data_directory_, quota_manager_proxy_));
+  }
+  return context_core_.get();
+}
+
+}  // namespace content