Get AcceleratorControllerTest working with mash

ash/mus/accelerators/accelerator_controller_registrar_test_api.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_MUS_ACCELERATORS_ACCELERATOR_CONTROLLER_REGISTRAR_TEST_API_H_
+#define ASH_MUS_ACCELERATORS_ACCELERATOR_CONTROLLER_REGISTRAR_TEST_API_H_
+
+#include "base/macros.h"
+
+namespace ui {
+class Accelerator;
+}
+
+namespace ash {
+namespace mus {
+
+class AcceleratorControllerRegistrarTestApi {
+ public:
+  AcceleratorControllerRegistrarTestApi();
+  ~AcceleratorControllerRegistrarTestApi();
+
+  // Sends |accelerator| to AcceleratorControllerRegistrar for the pre phase,
+  // and if the pre phase does not process the event the post phase as well.
+  void ProcessAccelerator(const ui::Accelerator& accelerator);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AcceleratorControllerRegistrarTestApi);
+};
+
+}  // namespace mus
+}  // namespace ash
+
+#endif  // ASH_MUS_ACCELERATORS_ACCELERATOR_CONTROLLER_REGISTRAR_TEST_API_H_