hg: jdk8u/jdk8u-dev/jdk: 8134828: Scrollbar thumb disappears with Nimbus L&F

[alexey.ivanov at oracle.com]

Changeset: b54e7c20ee4e
Author:    aivanov
Date:      2015-10-29 19:37 +0300
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/jdk/rev/b54e7c20ee4e

8134828: Scrollbar thumb disappears with Nimbus L&F
Reviewed-by: alexsch, alexp

! src/share/classes/javax/swing/plaf/nimbus/AbstractRegionPainter.java
! src/share/classes/javax/swing/plaf/nimbus/skin.laf
! src/share/classes/javax/swing/plaf/synth/SynthProgressBarUI.java
+ test/javax/swing/plaf/nimbus/8041642/ScrollBarThumbVisibleTest.java