mash: remove the LockStateControllerDelegate.

ash/test/test_lock_state_controller_delegate.cc

Index: ash/test/test_lock_state_controller_delegate.cc
diff --git a/ash/test/test_lock_state_controller_delegate.cc b/ash/test/test_lock_state_controller_delegate.cc
deleted file mode 100644
index e9904e05526a093f4e63937f02fa136bbc3eb7a0..0000000000000000000000000000000000000000
--- a/ash/test/test_lock_state_controller_delegate.cc
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2014 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/test_lock_state_controller_delegate.h"
-
-namespace ash {
-namespace test {
-
-TestLockStateControllerDelegate::TestLockStateControllerDelegate()
-    : num_shutdown_requests_(0) {}
-
-TestLockStateControllerDelegate::~TestLockStateControllerDelegate() {}
-
-void TestLockStateControllerDelegate::RequestShutdown() {
-  ++num_shutdown_requests_;
-}
-
-}  // namespace test
-}  // namespace ash