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

services/ui/ws/window_tree.cc

 // Copyright 2014 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.
 
 #include "services/ui/ws/window_tree.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 681 matching lines @@
     return;
 
   ClientWindowId client_window_id;
   if (IsWindowKnown(window, &client_window_id)) {
     client()->OnWindowOpacityChanged(client_window_id.id, old_opacity,
                                      new_opacity);
   }
 }
 
 void WindowTree::ProcessCursorChanged(const ServerWindow* window,
-                                      int32_t cursor_id,
+                                      mojom::Cursor cursor_id,
                                       bool originated_change) {
   if (originated_change)
     return;
   ClientWindowId client_window_id;
   if (!IsWindowKnown(window, &client_window_id))
     return;
 
-  client()->OnWindowPredefinedCursorChanged(client_window_id.id,
-                                            mojom::Cursor(cursor_id));
+  client()->OnWindowPredefinedCursorChanged(client_window_id.id, cursor_id);
 }
 
 void WindowTree::ProcessFocusChanged(const ServerWindow* old_focused_window,
                                      const ServerWindow* new_focused_window) {
   if (window_server_->current_operation_type() == OperationType::SET_FOCUS &&
       window_server_->IsOperationSource(id_)) {
     return;
   }
   const ServerWindow* window =
       new_focused_window
@@ skipping 1184 matching lines @@
   client()->OnCompleteDrop(client_window_id.id, event_flags, cursor_offset,
                            effect_bitmask, callback);
 }
 
 void WindowTree::PerformOnDragDropDone() {
   client()->OnDragDropDone();
 }
 
 }  // namespace ws
 }  // namespace ui