hg: openjfx/9-dev/rt: 8173796: Overriden method, requestLayout(), by subclass of Parent didn't get call when process layout

[chien.yang at oracle.com]

Changeset: eef2a50f5bdd
Author:    ckyang
Date:      2017-02-09 13:44 -0800
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/eef2a50f5bdd

8173796: Overriden method, requestLayout(), by subclass of Parent didn't get call when process layout
Reviewed-by: kcr, jgiles

! modules/javafx.graphics/src/main/java/javafx/scene/Parent.java
! modules/javafx.graphics/src/main/java/javafx/scene/layout/HBox.java
! modules/javafx.graphics/src/main/java/javafx/scene/layout/StackPane.java
! modules/javafx.graphics/src/main/java/javafx/scene/layout/VBox.java
! modules/javafx.graphics/src/test/java/test/javafx/scene/ParentTest.java
! tests/system/src/test/java/test/robot/javafx/scene/layout/LayoutTest.java