Change ui cursor identifiers to an enum class.

ui/views/mus/desktop_window_tree_host_mus.cc

 // 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.
 
 #include "ui/views/mus/desktop_window_tree_host_mus.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 126 matching lines @@
   }
 
   void SetVisibility(bool visible,
                      wm::NativeCursorManagerDelegate* delegate) override {
     delegate->CommitVisibility(visible);
 
     if (visible) {
       SetCursor(delegate->GetCursor(), delegate);
     } else {
       aura::WindowPortMus::Get(window_)->SetPredefinedCursor(
-          ui::mojom::CursorType::NONE);
+          ui::mojom::CursorType::kNone);
     }
   }
 
   void SetCursorSet(ui::CursorSetType cursor_set,
                     wm::NativeCursorManagerDelegate* delegate) override {
     // TODO(erg): For now, ignore the difference between SET_NORMAL and
     // SET_LARGE here. This feels like a thing that mus should decide instead.
     //
     // Also, it's NOTIMPLEMENTED() in the desktop version!? Including not
     // acknowledging the call in the delegate.
@@ skipping 638 matching lines @@
   }
   const gfx::Rect old_bounds_in_pixels = GetBoundsInPixels();
   WindowTreeHostMus::SetBoundsInPixels(final_bounds_in_pixels);
   if (old_bounds_in_pixels.size() != final_bounds_in_pixels.size()) {
     SendClientAreaToServer();
     SendHitTestMaskToServer();
   }
 }
 
 }  // namespace views