Change ui cursor identifiers to an enum class.

services/ui/public/interfaces/cursor/cursor.mojom

 // 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.
 
 module ui.mojom;
 
 import "mojo/common/time.mojom";
 import "skia/public/interfaces/bitmap_array.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 
 // Standard Cursor numbers. These are the same as Chrome's ui::Cursor and
 // blink's WebCursorInfo.
 enum CursorType {
-  // NULL is kept for compatibility with chrome declarations. In chrome code, it
-  // is treated exactly like POINTER, the default pointer.
-  CURSOR_NULL = 0,
-  POINTER,
-  CROSS,
-  HAND,
-  IBEAM,
-  WAIT,
-  HELP,
-  EAST_RESIZE,
-  NORTH_RESIZE,
-  NORTH_EAST_RESIZE,
-  NORTH_WEST_RESIZE,
-  SOUTH_RESIZE,
-  SOUTH_EAST_RESIZE,
-  SOUTH_WEST_RESIZE,
-  WEST_RESIZE,
-  NORTH_SOUTH_RESIZE,
-  EAST_WEST_RESIZE,
-  NORTH_EAST_SOUTH_WEST_RESIZE,
-  NORTH_WEST_SOUTH_EAST_RESIZE,
-  COLUMN_RESIZE,
-  ROW_RESIZE,
-  MIDDLE_PANNING,
-  EAST_PANNING,
-  NORTH_PANNING,
-  NORTH_EAST_PANNING,
-  NORTH_WEST_PANNING,
-  SOUTH_PANNING,
-  SOUTH_EAST_PANNING,
-  SOUTH_WEST_PANNING,
-  WEST_PANNING,
-  MOVE,
-  VERTICAL_TEXT,
-  CELL,
-  CONTEXT_MENU,
-  ALIAS,
-  PROGRESS,
-  NO_DROP,
-  COPY,
-  NONE,
-  NOT_ALLOWED,
-  ZOOM_IN,
-  ZOOM_OUT,
-  GRAB,
-  GRABBING,
-  CUSTOM
+  // kNull is kept for compatibility with chrome declarations. In chrome code,
+  // it is treated exactly like kPointer, the default pointer.
+  kNull = 0,
+  kPointer,
+  kCross,
+  kHand,
+  kIBeam,
+  kWait,
+  kHelp,
+  kEastResize,
+  kNorthResize,
+  kNorthEastResize,
+  kNorthWestResize,
+  kSouthResize,
+  kSouthEastResize,
+  kSouthWestResize,
+  kWestResize,
+  kNorthSouthResize,
+  kEastWestResize,
+  kNorthEastSouthWestResize,
+  kNorthWestSouthEastResize,
+  kColumnResize,
+  kRowResize,
+  kMiddlePanning,
+  kEastPanning,
+  kNorthPanning,
+  kNorthEastPanning,
+  kNorthWestPanning,
+  kSouthPanning,
+  kSouthEastPanning,
+  kSouthWestPanning,
+  kWestPanning,
+  kMove,
+  kVerticalText,
+  kCell,
+  kContextMenu,
+  kAlias,
+  kProgress,
+  kNoDrop,
+  kCopy,
+  kNone,
+  kNotAllowed,
+  kZoomIn,
+  kZoomOut,
+  kGrab,
+  kGrabbing,
+  kCustom
 };
 
 // A description of a cursor.
 struct CursorData {
   // The type of cursor. If CUSTOM, the rest of the fields are relevant.
   CursorType cursor_type;
 
   // The delay between cursor frames.
   mojo.common.mojom.TimeDelta frame_delay;
 
   // The hotspot in pixels in the source cursor frames.
   gfx.mojom.Point hotspot_in_pixels;
 
   // The frames of the cursor.
   skia.mojom.BitmapArray cursor_frames;
 
   // This is the image scale of this cursor.
   float scale_factor;
 };