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+//
+// 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.
+//
+
+#ifndef UPDATE_ENGINE_CROS_POWER_MANAGER_INTERFACE_H_
+#define UPDATE_ENGINE_CROS_POWER_MANAGER_INTERFACE_H_
+
+#include <memory>
+
+#include <base/macros.h>
+
+namespace chromeos_update_engine {
+
+class PowerManagerInterface {
+ public:
+ virtual ~PowerManagerInterface() = default;
+
+ // Request the power manager to restart the device. Returns true on success.
+ virtual bool RequestReboot() = 0;
+
+ protected:
+ PowerManagerInterface() = default;
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(PowerManagerInterface);
+};
+
+namespace power_manager {
+// Factory function which create a PowerManager.
+std::unique_ptr<PowerManagerInterface> CreatePowerManager();
+} // namespace power_manager
+
+} // namespace chromeos_update_engine
+
+#endif // UPDATE_ENGINE_CROS_POWER_MANAGER_INTERFACE_H_