mus ws: Consistently use mojom::Cursor instead of int32_t.

services/ui/ws/event_dispatcher.h

Index: services/ui/ws/event_dispatcher.h
diff --git a/services/ui/ws/event_dispatcher.h b/services/ui/ws/event_dispatcher.h
index eecf4ea627de5fa7296c693c0ea8827895887aa0..472a0c0e4038d6c0c1af45c7125ee3e1b876985e 100644
--- a/services/ui/ws/event_dispatcher.h
+++ b/services/ui/ws/event_dispatcher.h
@@ -13,6 +13,7 @@
 
 #include "base/macros.h"
 #include "services/ui/common/types.h"
+#include "services/ui/public/interfaces/cursor.mojom.h"
 #include "services/ui/public/interfaces/event_matcher.mojom.h"
 #include "services/ui/ws/drag_cursor_updater.h"
 #include "services/ui/ws/modal_window_controller.h"
@@ -64,7 +65,7 @@ class EventDispatcher : public ServerWindowObserver, public DragCursorUpdater {
 
   // If we still have the window of the last mouse move, returns true and sets
   // the current cursor to use to |cursor_out|.
-  bool GetCurrentMouseCursor(int32_t* cursor_out);
+  bool GetCurrentMouseCursor(ui::mojom::Cursor* cursor_out);
 
   // |capture_window_| will receive all input. See window_tree.mojom for
   // details.