Change ui cursor identifiers to an enum class.

ui/wm/core/compound_event_filter.cc

Index: ui/wm/core/compound_event_filter.cc
diff --git a/ui/wm/core/compound_event_filter.cc b/ui/wm/core/compound_event_filter.cc
index 84ae29a5209f19ce0dfe051317c62962d69a1c52..61c54e97c7a0167f25d60ec9e8f3354f5541e4c0 100644
--- a/ui/wm/core/compound_event_filter.cc
+++ b/ui/wm/core/compound_event_filter.cc
@@ -68,23 +68,23 @@ gfx::NativeCursor CompoundEventFilter::CursorForWindowComponent(
     int window_component) {
   switch (window_component) {
     case HTBOTTOM:
-      return ui::kCursorSouthResize;
+      return ui::CursorType::SOUTH_RESIZE;
     case HTBOTTOMLEFT:
-      return ui::kCursorSouthWestResize;
+      return ui::CursorType::SOUTH_WEST_RESIZE;
     case HTBOTTOMRIGHT:
-      return ui::kCursorSouthEastResize;
+      return ui::CursorType::SOUTH_EAST_RESIZE;
     case HTLEFT:
-      return ui::kCursorWestResize;
+      return ui::CursorType::WEST_RESIZE;
     case HTRIGHT:
-      return ui::kCursorEastResize;
+      return ui::CursorType::EAST_RESIZE;
     case HTTOP:
-      return ui::kCursorNorthResize;
+      return ui::CursorType::NORTH_RESIZE;
     case HTTOPLEFT:
-      return ui::kCursorNorthWestResize;
+      return ui::CursorType::NORTH_WEST_RESIZE;
     case HTTOPRIGHT:
-      return ui::kCursorNorthEastResize;
+      return ui::CursorType::NORTH_EAST_RESIZE;
     default:
-      return ui::kCursorNull;
+      return ui::CursorType::CURSOR_NULL;
   }
 }