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

services/ui/ws/window_tree_unittest.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 <stdint.h>
 
 #include <string>
 #include <vector>
@@ skipping 113 matching lines @@
 }  // namespace
 
 // -----------------------------------------------------------------------------
 
 class WindowTreeTest : public testing::Test {
  public:
   WindowTreeTest() {}
   ~WindowTreeTest() override {}
 
   ui::mojom::Cursor cursor_id() {
-    return static_cast<ui::mojom::Cursor>(
-        window_event_targeting_helper_.cursor_id());
+    return window_event_targeting_helper_.cursor();
   }
   Display* display() { return window_event_targeting_helper_.display(); }
   TestWindowTreeBinding* last_binding() {
     return window_event_targeting_helper_.last_binding();
   }
   TestWindowTreeClient* last_window_tree_client() {
     return window_event_targeting_helper_.last_window_tree_client();
   }
   TestWindowTreeClient* wm_client() {
     return window_event_targeting_helper_.wm_client();
@@ skipping 1232 matching lines @@
     client->tracker()->changes()->clear();
   }
 
   // Client should not have got any messages after shutdown.
   EXPECT_TRUE(client->tracker()->changes()->empty());
 }
 
 }  // namespace test
 }  // namespace ws
 }  // namespace ui