hg: openjfx/8u-dev/rt: 8144680: Stage.alwaysOnTop() doesn't work if a security manager is set

[kevin.rushforth at oracle.com]

Changeset: ccafcc1d60d9
Author:    kcr
Date:      2015-12-14 09:35 -0800
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/ccafcc1d60d9

8144680: Stage.alwaysOnTop() doesn't work if a security manager is set
Reviewed-by: ddhill, ckyang

! modules/graphics/src/main/java/com/sun/glass/ui/Robot.java
! modules/graphics/src/main/java/com/sun/javafx/tk/quantum/QuantumClipboard.java
! modules/graphics/src/main/java/com/sun/javafx/tk/quantum/WindowStage.java
+ tests/system/src/test/java/helloworld/CustomSecurityManagerTest.java
! tests/system/src/test/java/javafx/scene/layout/RegionUITestBase.java
! tests/system/src/test/java/testharness/VisualTestBase.java