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

components/sync/driver/device_info_data_type_controller.cc

Index: components/sync/driver/device_info_data_type_controller.cc
diff --git a/components/sync/driver/device_info_data_type_controller.cc b/components/sync/driver/device_info_data_type_controller.cc
deleted file mode 100644
index f42735aec35df0f0c5ace5b458c688233c93abda..0000000000000000000000000000000000000000
--- a/components/sync/driver/device_info_data_type_controller.cc
+++ /dev/null
@@ -1,49 +0,0 @@
-// 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/device_info_data_type_controller.h"
-
-#include "base/callback.h"
-#include "components/sync/driver/local_device_info_provider.h"
-
-namespace sync_driver {
-
-DeviceInfoDataTypeController::DeviceInfoDataTypeController(
-    const scoped_refptr<base::SingleThreadTaskRunner>& ui_thread,
-    const base::Closure& error_callback,
-    SyncClient* sync_client,
-    LocalDeviceInfoProvider* local_device_info_provider)
-    : UIDataTypeController(ui_thread,
-                           error_callback,
-                           syncer::DEVICE_INFO,
-                           sync_client),
-      local_device_info_provider_(local_device_info_provider) {}
-
-DeviceInfoDataTypeController::~DeviceInfoDataTypeController() {}
-
-bool DeviceInfoDataTypeController::StartModels() {
-  // Start the data type as soon as the local device info gets available.
-  if (local_device_info_provider_->GetLocalDeviceInfo()) {
-    return true;
-  }
-
-  subscription_ = local_device_info_provider_->RegisterOnInitializedCallback(
-      base::Bind(&DeviceInfoDataTypeController::OnLocalDeviceInfoLoaded, this));
-
-  return false;
-}
-
-void DeviceInfoDataTypeController::StopModels() {
-  subscription_.reset();
-}
-
-void DeviceInfoDataTypeController::OnLocalDeviceInfoLoaded() {
-  DCHECK_EQ(state_, MODEL_STARTING);
-  DCHECK(local_device_info_provider_->GetLocalDeviceInfo());
-
-  subscription_.reset();
-  OnModelLoaded();
-}
-
-}  // namespace sync_driver