StructTraits to map mus::mojom::Event to unique_ptr<ui::Event>

ui/events/mojo/event_struct_traits.h

Index: ui/events/mojo/event_struct_traits.h
diff --git a/ui/events/mojo/event_struct_traits.h b/ui/events/mojo/event_struct_traits.h
new file mode 100644
index 0000000000000000000000000000000000000000..41e641dcce1ee1a0e20367d433be11275962074c
--- /dev/null
+++ b/ui/events/mojo/event_struct_traits.h
@@ -0,0 +1,32 @@
+// 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 COMPONENTS_MUS_PUBLIC_CPP_EVENT_STRUCT_TRAITS_H_
+#define COMPONENTS_MUS_PUBLIC_CPP_EVENT_STRUCT_TRAITS_H_
+
+#include "components/mus/public/interfaces/input_events.mojom.h"
+
+namespace ui {
+class Event;
+}
+
+namespace mojo {
+
+using EventUniquePtr = std::unique_ptr<ui::Event>;
+
+template <>
+struct StructTraits<mus::mojom::Event, EventUniquePtr> {
+  static int32_t action(const EventUniquePtr& event);
+  static int32_t flags(const EventUniquePtr& event);
+  static int64_t time_stamp(const EventUniquePtr& event);
+  static bool has_key_data(const EventUniquePtr& event);
+  static mus::mojom::KeyDataPtr key_data(const EventUniquePtr& event);
+  static bool has_pointer_data(const EventUniquePtr& event);
+  static mus::mojom::PointerDataPtr pointer_data(const EventUniquePtr& event);
+  static bool Read(mus::mojom::EventDataView r, EventUniquePtr* out);
+};
+
+}  // namespace mus
+
+#endif  // COMPONENTS_MUS_PUBLIC_CPP_EVENT_STRUCT_TRAITS_H_