Implement large cursors in Mushrome.

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.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 
@@ skipping 42 matching lines @@
   kCopy,
   kNone,
   kNotAllowed,
   kZoomIn,
   kZoomOut,
   kGrab,
   kGrabbing,
   kCustom
 };
 
+// Whether we use normal or large cursors. These are the same as Chrome's
+// ui::CursorSize.
+enum CursorSize {
+  kNormal,
+  kLarge
+};
+
 // 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.
   array<skia.mojom.Bitmap?> cursor_frames;
 
   // This is the image scale of this cursor.
   float scale_factor;
 };