diff --git a/dlcservice_chromeos.h b/dlcservice_chromeos.h
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--- /dev/null
+++ b/dlcservice_chromeos.h
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+//
+// Copyright (C) 2018 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_DLCSERVICE_CHROMEOS_H_
+#define UPDATE_ENGINE_DLCSERVICE_CHROMEOS_H_
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "update_engine/common/dlcservice_interface.h"
+
+namespace chromeos_update_engine {
+
+// The Chrome OS implementation of the DlcServiceInterface. This interface
+// interacts with dlcservice via D-Bus.
+class DlcServiceChromeOS : public DlcServiceInterface {
+ public:
+  DlcServiceChromeOS() = default;
+  ~DlcServiceChromeOS() = default;
+
+  // BootControlInterface overrides.
+  bool GetInstalled(std::vector<std::string>* dlc_module_ids) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DlcServiceChromeOS);
+};
+
+}  // namespace chromeos_update_engine
+
+#endif  // UPDATE_ENGINE_DLCSERVICE_CHROMEOS_H_