Separates out accelerator handling in windowmanager

ash/mus/accelerators/accelerator_handler.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_HANDLER_H_
+#define ASH_MUS_ACCELERATORS_ACCELERATOR_HANDLER_H_
+
+#include "services/ui/public/interfaces/window_manager.mojom.h"
+
+namespace ash {
+namespace mus {
+
+// Used by WindowManager for handling accelerators.
+class AcceleratorHandler {
+ public:
+  virtual ui::mojom::EventResult OnAccelerator(uint32_t id,
+                                               const ui::Event& event) = 0;
+
+ protected:
+  virtual ~AcceleratorHandler() {}
+};
+
+}  // namespace mus
+}  // namespace ash
+
+#endif  // ASH_MUS_ACCELERATORS_ACCELERATOR_HANDLER_H_