hg: openjfx/9-dev/rt: 8163454: PieChart legend is not updated while invisible

[vadim.pakhnushev at oracle.com]

Changeset: 1eef8c77716a
Author:    vadim
Date:      2016-08-09 11:15 +0300
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/1eef8c77716a

8163454: PieChart legend is not updated while invisible
Reviewed-by: jgiles

! modules/javafx.controls/src/main/java/javafx/scene/chart/PieChart.java
! modules/javafx.controls/src/test/java/test/javafx/scene/chart/PieChartTest.java