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

services/ui/ws/drag_controller.h

Index: services/ui/ws/drag_controller.h
diff --git a/services/ui/ws/drag_controller.h b/services/ui/ws/drag_controller.h
index 3862051d709903b368878a25628188d0df8a8ebb..1517a510b5f20dcdb87d49fed04d6587c50ea7ae 100644
--- a/services/ui/ws/drag_controller.h
+++ b/services/ui/ws/drag_controller.h
@@ -10,6 +10,7 @@
 
 #include "base/memory/weak_ptr.h"
 #include "services/ui/common/types.h"
+#include "services/ui/public/interfaces/cursor.mojom.h"
 #include "services/ui/ws/ids.h"
 #include "services/ui/ws/server_window_observer.h"
 
@@ -45,7 +46,7 @@ class DragController : public ServerWindowObserver {
                  DropEffectBitmask drag_operations);
   ~DragController() override;
 
-  int32_t current_cursor() const { return current_cursor_; }
+  ui::mojom::Cursor current_cursor() const { return current_cursor_; }
 
   // Cancels the current drag, ie, due to the user pressing Escape.
   void Cancel();
@@ -83,7 +84,7 @@ class DragController : public ServerWindowObserver {
 
   // Returns the ui::mojom::Cursor for the window |bitmask|, adjusted for types
   // that the drag source allows.
-  int32_t CursorForEffectBitmask(DropEffectBitmask bitmask);
+  ui::mojom::Cursor CursorForEffectBitmask(DropEffectBitmask bitmask);
 
   // Ensure that |window| has an entry in |window_state_| and that we're an
   // observer.
@@ -116,7 +117,7 @@ class DragController : public ServerWindowObserver {
   const int32_t drag_pointer_id_;
 
   // The current mouse cursor during the drag.
-  int32_t current_cursor_;
+  ui::mojom::Cursor current_cursor_;
 
   // Sending OnDragOver() to our |source_| destroys us; there is a period where
   // we have to continue to exist, but not process any more pointer events.