mash: remove the LockStateControllerDelegate.

ash/test/test_shutdown_client.h

+// Copyright 2016 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 ASH_TEST_TEST_SHUTDOWN_CLIENT_H_
+#define ASH_TEST_TEST_SHUTDOWN_CLIENT_H_
+
+#include "ash/public/interfaces/shutdown.mojom.h"
+#include "base/macros.h"
+
+namespace ash {
+namespace test {
+
+// Fake implementation of ShutdownClient that just logs requests to lock the
+// screen and shut down the device.
+class TestShutdownClient : public mojom::ShutdownClient {
+ public:
+  TestShutdownClient();
+  ~TestShutdownClient() override;
+
+  int num_shutdown_requests() const { return num_shutdown_requests_; }
+
+  // LockStateControllerDelegate implementation.
+  void RequestShutdown() override;
+
+ private:
+  int num_shutdown_requests_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestShutdownClient);
+};
+
+}  // namespace test
+}  // namespace ash
+
+#endif  // ASH_TEST_TEST_SHUTDOWN_CLIENT_H_