[Sync] Create //components/sync/device_info.

components/sync/driver/local_device_info_provider_mock.cc

-// Copyright 2014 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 "components/sync/driver/local_device_info_provider_mock.h"
-
-namespace sync_driver {
-
-LocalDeviceInfoProviderMock::LocalDeviceInfoProviderMock()
-    : is_initialized_(false) {}
-
-LocalDeviceInfoProviderMock::LocalDeviceInfoProviderMock(
-    const std::string& guid,
-    const std::string& client_name,
-    const std::string& chrome_version,
-    const std::string& sync_user_agent,
-    const sync_pb::SyncEnums::DeviceType device_type,
-    const std::string& signin_scoped_device_id)
-    : is_initialized_(true) {
-  local_device_info_.reset(new DeviceInfo(guid, client_name, chrome_version,
-                                          sync_user_agent, device_type,
-                                          signin_scoped_device_id));
-}
-
-LocalDeviceInfoProviderMock::~LocalDeviceInfoProviderMock() {}
-
-const DeviceInfo* LocalDeviceInfoProviderMock::GetLocalDeviceInfo() const {
-  return is_initialized_ ? local_device_info_.get() : nullptr;
-}
-
-std::string LocalDeviceInfoProviderMock::GetSyncUserAgent() const {
-  return "useragent";
-}
-
-std::string LocalDeviceInfoProviderMock::GetLocalSyncCacheGUID() const {
-  return local_device_info_.get() ? local_device_info_->guid() : "";
-}
-
-void LocalDeviceInfoProviderMock::Initialize(
-    const std::string& cache_guid,
-    const std::string& signin_scoped_device_id,
-    const scoped_refptr<base::TaskRunner>& blocking_task_runner) {
-  local_device_info_.reset(new DeviceInfo(
-      cache_guid, "client_name", "chrome_version", GetSyncUserAgent(),
-      sync_pb::SyncEnums_DeviceType_TYPE_LINUX, signin_scoped_device_id));
-  SetInitialized(true);
-}
-
-void LocalDeviceInfoProviderMock::Initialize(
-    std::unique_ptr<DeviceInfo> local_device_info) {
-  local_device_info_.swap(local_device_info);
-  SetInitialized(true);
-}
-
-std::unique_ptr<LocalDeviceInfoProvider::Subscription>
-LocalDeviceInfoProviderMock::RegisterOnInitializedCallback(
-    const base::Closure& callback) {
-  DCHECK(!is_initialized_);
-  return callback_list_.Add(callback);
-}
-
-void LocalDeviceInfoProviderMock::Clear() {
-  local_device_info_.reset();
-  is_initialized_ = false;
-}
-
-void LocalDeviceInfoProviderMock::SetInitialized(bool is_initialized) {
-  is_initialized_ = is_initialized;
-  if (is_initialized_) {
-    callback_list_.Notify();
-  }
-}
-
-}  // namespace sync_driver