[8u40] Review request for RT-38921: [JFXPanel, Mac] popups + -Djavafx.embed.singleThread=true causes deadlock

[Anton V. Tarasov]

Hello,

Please, have a look:

https://javafx-jira.kenai.com/browse/RT-38921
http://cr.openjdk.java.net/~ant/RT-38921/webrev.0

In order to resolve a deadlock Component.revalidate() is invoked on EDT.

Thanks,
Anton.