diff --git a/cros/shill_proxy.h b/cros/shill_proxy.h
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+++ b/cros/shill_proxy.h
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+//
+// Copyright (C) 2015 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_SHILL_PROXY_H_
+#define UPDATE_ENGINE_CROS_SHILL_PROXY_H_
+
+#include <memory>
+#include <string>
+
+#include <base/macros.h>
+#include <dbus/bus.h>
+#include <dbus/object_path.h>
+#include <shill/dbus-proxies.h>
+
+#include "update_engine/cros/shill_proxy_interface.h"
+
+namespace chromeos_update_engine {
+
+// This class implements the connection to shill using real DBus calls.
+class ShillProxy : public ShillProxyInterface {
+ public:
+  ShillProxy();
+  ~ShillProxy() override = default;
+
+  // ShillProxyInterface overrides.
+  org::chromium::flimflam::ManagerProxyInterface* GetManagerProxy() override;
+  std::unique_ptr<org::chromium::flimflam::ServiceProxyInterface>
+  GetServiceForPath(const dbus::ObjectPath& path) override;
+
+ private:
+  // A reference to the main bus for creating new ServiceProxy instances.
+  scoped_refptr<dbus::Bus> bus_;
+  std::unique_ptr<org::chromium::flimflam::ManagerProxyInterface>
+      manager_proxy_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShillProxy);
+};
+
+}  // namespace chromeos_update_engine
+
+#endif  // UPDATE_ENGINE_CROS_SHILL_PROXY_H_