hg: openjfx/9-dev/rt: 8156075: Graphic disappears in check TreeView when root node is collapsed / expanded

[jonathan.giles at oracle.com]

Changeset: 14ae942dfd5b
Author:    jgiles
Date:      2016-05-05 13:36 +1200
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/14ae942dfd5b

8156075: Graphic disappears in check TreeView when root node is collapsed / expanded

! modules/controls/src/main/java/javafx/scene/control/skin/TreeCellSkin.java
! modules/controls/src/main/java/javafx/scene/control/skin/TreeViewSkin.java
! modules/controls/src/main/java/javafx/scene/control/skin/VirtualContainerBase.java
! modules/controls/src/test/java/test/javafx/scene/control/TreeViewTest.java