diff --git a/hardware_chromeos.h b/hardware_chromeos.h
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+//
+// Copyright (C) 2013 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_HARDWARE_CHROMEOS_H_
+#define UPDATE_ENGINE_HARDWARE_CHROMEOS_H_
+
+#include <string>
+#include <vector>
+
+#include <base/macros.h>
+#include <base/time/time.h>
+
+#include "update_engine/common/hardware_interface.h"
+
+namespace chromeos_update_engine {
+
+// Implements the real interface with Chrome OS verified boot and recovery
+// process.
+class HardwareChromeOS final : public HardwareInterface {
+ public:
+  HardwareChromeOS() = default;
+  ~HardwareChromeOS() override = default;
+
+  // HardwareInterface methods.
+  bool IsOfficialBuild() const override;
+  bool IsNormalBootMode() const override;
+  bool IsOOBEComplete(base::Time* out_time_of_oobe) const override;
+  std::string GetHardwareClass() const override;
+  std::string GetFirmwareVersion() const override;
+  std::string GetECVersion() const override;
+  int GetPowerwashCount() const override;
+  bool GetNonVolatileDirectory(base::FilePath* path) const override;
+  bool GetPowerwashSafeDirectory(base::FilePath* path) const override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(HardwareChromeOS);
+};
+
+}  // namespace chromeos_update_engine
+
+#endif  // UPDATE_ENGINE_HARDWARE_CHROMEOS_H_