Change ui cursor identifiers to an enum class.

components/exo/surface.cc

 // Copyright 2015 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 "components/exo/surface.h"
 
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/logging.h"
@@ skipping 553 matching lines @@
 
 void Surface::UnregisterCursorProvider(Pointer* provider) {
   cursor_providers_.erase(provider);
 }
 
 gfx::NativeCursor Surface::GetCursor() {
   // What cursor we display when we have multiple cursor providers is not
   // important. Return the first non-null cursor.
   for (auto* cursor_provider : cursor_providers_) {
     gfx::NativeCursor cursor = cursor_provider->GetCursor();
-    if (cursor != ui::kCursorNull)
+    if (cursor != ui::CursorType::kNull)
       return cursor;
   }
-  return ui::kCursorNull;
+  return ui::CursorType::kNull;
 }
 
 void Surface::SetSurfaceDelegate(SurfaceDelegate* delegate) {
   DCHECK(!delegate_ || !delegate);
   delegate_ = delegate;
 }
 
 bool Surface::HasSurfaceDelegate() const {
   return !!delegate_;
 }
@@ skipping 288 matching lines @@
         render_pass->CreateAndAppendDrawQuad<cc::SolidColorDrawQuad>();
     solid_quad->SetNew(quad_state, quad_rect, quad_rect, SK_ColorBLACK, false);
   }
 
   frame.render_pass_list.push_back(std::move(render_pass));
   compositor_frame_sink_holder_->GetCompositorFrameSink()
       ->SubmitCompositorFrame(local_surface_id_, std::move(frame));
 }
 
 }  // namespace exo