hg: openjfx/2.2/graphics/rt: Partial RT-20179: maintain/pretend the old synchronous behavior

[hang.vo at oracle.com]

Changeset: 21768fab54d2
Author:    Lubomir Nerad <lubomir.nerad at oracle.com>
Date:      2012-03-19 14:16 +0100
URL:       http://hg.openjdk.java.net/openjfx/2.2/graphics/rt/rev/21768fab54d2

Partial RT-20179: maintain/pretend the old synchronous behavior

! javafx-ui-common/src/javafx/stage/Window.java