hg: openjfx/9-dev/rt: 8156094: ContextMenu shown at wrong position on Windows10 with Extended Screen

[james.graham at oracle.com]

Changeset: 9577881b86c3
Author:    flar
Date:      2016-05-10 16:04 -0700
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/9577881b86c3

8156094: ContextMenu shown at wrong position on Windows10 with Extended Screen
Reviewed-by: kcr

! modules/graphics/src/main/java/com/sun/javafx/tk/quantum/GlassViewEventHandler.java