mash: remove the LockStateControllerDelegate.

ash/test/lock_state_controller_test_api.cc

Index: ash/test/lock_state_controller_test_api.cc
diff --git a/ash/test/lock_state_controller_test_api.cc b/ash/test/lock_state_controller_test_api.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b1734685e5bcc089e12298daf4dc38bf2ce423fa
--- /dev/null
+++ b/ash/test/lock_state_controller_test_api.cc
@@ -0,0 +1,29 @@
+// 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.
+
+#include "ash/test/lock_state_controller_test_api.h"
+
+#include <memory>
+#include <utility>
+
+#include "ash/public/interfaces/shutdown.mojom.h"
+
+namespace ash {
+namespace test {
+
+LockStateControllerTestApi::LockStateControllerTestApi(
+    LockStateController* controller)
+    : controller_(controller) {
+  DCHECK(controller);
+}
+
+LockStateControllerTestApi::~LockStateControllerTestApi() {}
+
+void LockStateControllerTestApi::SetShutdownClient(
+    std::unique_ptr<mojom::ShutdownClient> client) {
+  controller_->shutdown_client_ = std::move(client);
+}
+
+}  // namespace test
+}  // namespace ash