[aura-mus] Add ui::CursorData, with mojo serialization.

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,
@@ skipping 31 matching lines @@
   NO_DROP,
   COPY,
   NONE,
   NOT_ALLOWED,
   ZOOM_IN,
   ZOOM_OUT,
   GRAB,
   GRABBING,
   CUSTOM
 };
+
+// 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;
+};