mash: remove the LockStateControllerDelegate.

chrome/browser/chromeos/power/shutdown_client_impl.h

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_CHROMEOS_POWER_SHUTDOWN_CLIENT_IMPL_H_
+#define CHROME_BROWSER_CHROMEOS_POWER_SHUTDOWN_CLIENT_IMPL_H_
+
+#include "ash/public/interfaces/shutdown.mojom.h"
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+
+namespace chromeos {
+
+class ShutdownClientImpl : public ash::mojom::ShutdownClient {
+ public:
+  ShutdownClientImpl();
+  ~ShutdownClientImpl() override;
+
+ private:
+  // ash::mojom::ShutdownClient implementation.
+  void RequestShutdown() override;
+
+  base::WeakPtrFactory<ShutdownClientImpl> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShutdownClientImpl);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_POWER_SHUTDOWN_CLIENT_IMPL_H_