hg: openjfx/8u-dev/rt: 8157398: [TreeTableView] graphic property of TreeItem is still visible after collapsing tree

[jonathan.giles at oracle.com]

Changeset: 114af16f8e64
Author:    jgiles
Date:      2016-05-27 10:54 +1200
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/114af16f8e64

8157398: [TreeTableView] graphic property of TreeItem is still visible after collapsing tree
Reviewed-by: kcr

! modules/controls/src/main/java/com/sun/javafx/scene/control/skin/TreeTableRowSkin.java