[10] RFR JDK-8185890:Intermittent NPE in JLightweightFrame when updating cursor aceoss multiple graphics devices

[Prasanta Sadhukhan]

Hi All,

Please review this patch
http://cr.openjdk.java.net/~psadhukhan/fx/8185890/webrev.00/
for issue
https://bugs.openjdk.java.net/browse/JDK-8185890

More info in JBS.

Regards
Prasanta