Clean Backport.This pull request contains a backport of commit [a264435d](https://github.com/openjdk/jfx/commit/a264435dccba6ec386548f76f1ace095d943f4ca) from the [openjdk/jfx](https://git.openjdk.org/jfx) repository.
------------- Commit messages: - Backport a264435dccba6ec386548f76f1ace095d943f4ca Changes: https://git.openjdk.org/jfx20u/pull/12/files Webrev: https://webrevs.openjdk.org/?repo=jfx20u&pr=12&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8282359 Stats: 9 lines in 1 file changed: 9 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jfx20u/pull/12.diff Fetch: git fetch https://git.openjdk.org/jfx20u.git pull/12/head:pull/12 PR: https://git.openjdk.org/jfx20u/pull/12
