<Swing Dev> [9] Review Request: 6368321 MetalRootPaneUI calls to deprecated code

[Alexander Potochkin]

Looks good.
(although a bit scary:-))

Thanks
alexp
> Hello.
> Please review the fix for jdk9. I do not plan to backport it to jdk8.
>
> Usage of deprecated methods(xxxMenuBar()) were removed as suggested in 
> the bug comments.
> The fix is a part of https://bugs.openjdk.java.net/browse/JDK-8066622 
> efforts.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-6368321
> Webrev can be found at: 
> http://cr.openjdk.java.net/~serb/6368321/webrev.00
>