hg: jdk9/client/jdk: 8160246: Regression: 4410243 reproducible with GTK LaF

[semyon.sadetsky at oracle.com]

Changeset: 9a93640b287f
Author:    ssadetsky
Date:      2016-07-29 10:56 +0300
URL:       http://hg.openjdk.java.net/jdk9/client/jdk/rev/9a93640b287f

8160246: Regression: 4410243 reproducible with GTK LaF
Reviewed-by: alexsch

! src/java.desktop/share/classes/javax/swing/plaf/basic/BasicTextUI.java
+ test/javax/swing/JTextArea/ScrollbarFlicker/ScrollFlickerTest.java