WIP - Chrome's libaddressinput storage implementation, step 2

chrome/browser/autofill/address_storage_factory.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 "chrome/browser/autofill/address_storage_factory.h"
+
+#include "base/files/file_path.h"
+#include "base/path_service.h"
+#include "base/prefs/json_pref_store.h"
+#include "base/threading/sequenced_worker_pool.h"
+#include "chrome/common/chrome_paths.h"
+#include "content/public/browser/browser_thread.h"
+#include "third_party/libaddressinput/chromium/chrome_storage_impl.h"
+
+namespace autofill {
+
+using ::i18n::addressinput::ChromeStorageImpl;
+
+// static
+ChromeStorageImpl* AddressStorageFactory::CreateChromeStorage() {
+  static base::LazyInstance<AddressStorageFactory> instance =
+      LAZY_INSTANCE_INITIALIZER;
+  return new ChromeStorageImpl(instance.Get().json_pref_store_.get());
+}
+
+AddressStorageFactory::AddressStorageFactory() {
+  base::FilePath path;
+  PathService::Get(chrome::FILE_LIBADDRESSINPUT_CACHE, &path);
+
+  base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
+  scoped_refptr<base::SequencedTaskRunner> task_runner =
+      pool->GetSequencedTaskRunnerWithShutdownBehavior(
+          pool->GetSequenceToken(),
+          base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN);
+
+  json_pref_store_ = new JsonPrefStore(path, task_runner);
+}
+
+AddressStorageFactory::~AddressStorageFactory() {}
+
+}  // namespace autofill