Clean backport to `jfx11u`. -------------
Commit messages: - 8274929: Crash while reading specific clipboard content Changes: https://git.openjdk.java.net/jfx11u/pull/60/files Webrev: https://webrevs.openjdk.java.net/?repo=jfx11u&pr=60&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8274929 Stats: 115 lines in 3 files changed: 111 ins; 0 del; 4 mod Patch: https://git.openjdk.java.net/jfx11u/pull/60.diff Fetch: git fetch https://git.openjdk.java.net/jfx11u pull/60/head:pull/60 PR: https://git.openjdk.java.net/jfx11u/pull/60