Adding Ozone CursorLoader and necessary API functions to allow setting the cursor in SoftwareFactor…

ui/base/cursor/cursor_null.cc

Index: ui/base/cursor/cursor_null.cc
diff --git a/ui/base/cursor/cursor_null.cc b/ui/base/cursor/cursor_null.cc
deleted file mode 100644
index ffb3def6c7b053e97c49fb66138575bf02c9a1ac..0000000000000000000000000000000000000000
--- a/ui/base/cursor/cursor_null.cc
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2012 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 "ui/base/cursor/cursor.h"
-
-namespace ui {
-
-void Cursor::RefCustomCursor() {
-}
-
-void Cursor::UnrefCustomCursor() {
-}
-
-}  // namespace ui