Moving MenuBarSkin initialization code to install() which always happens in the FX Application Thread.
Also, ensure that the reverse process also happens in the FX application thread. ------------- Commit messages: - install Changes: https://git.openjdk.org/jfx/pull/1795/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1795&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8355615 Stats: 23 lines in 1 file changed: 9 ins; 1 del; 13 mod Patch: https://git.openjdk.org/jfx/pull/1795.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1795/head:pull/1795 PR: https://git.openjdk.org/jfx/pull/1795
