upload android base code part6

android/system/update_engine/power_manager_chromeos.cc

@@ -0,0 +1,43 @@
+//
+// Copyright (C) 2016 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "update_engine/power_manager_chromeos.h"
+
+#include <power_manager/dbus-constants.h>
+#include <power_manager/dbus-proxies.h>
+
+#include "update_engine/dbus_connection.h"
+
+namespace chromeos_update_engine {
+
+namespace power_manager {
+std::unique_ptr<PowerManagerInterface> CreatePowerManager() {
+  return std::unique_ptr<PowerManagerInterface>(new PowerManagerChromeOS());
+}
+}
+
+PowerManagerChromeOS::PowerManagerChromeOS()
+    : power_manager_proxy_(DBusConnection::Get()->GetDBus()) {}
+
+bool PowerManagerChromeOS::RequestReboot() {
+  LOG(INFO) << "Calling " << ::power_manager::kPowerManagerInterface << "."
+            << ::power_manager::kRequestRestartMethod;
+  brillo::ErrorPtr error;
+  return power_manager_proxy_.RequestRestart(
+      ::power_manager::REQUEST_RESTART_FOR_UPDATE, &error);
+}
+
+}  // namespace chromeos_update_engine