[Integrated] RFR: 8232824: Removing TabPane with strong referenced content causes memory leak from weak one

[Ambarish Rapte]

Changeset: 79fc0d0d
Author:    Ambarish Rapte <arapte at openjdk.org>
Date:      2020-01-28 12:35:52 +0000
URL:       https://git.openjdk.java.net/jfx/commit/79fc0d0d

8232824: Removing TabPane with strong referenced content causes memory leak from weak one

Reviewed-by: kcr, aghaisas

! modules/javafx.graphics/src/main/java/javafx/scene/Parent.java
+ tests/system/src/test/java/test/javafx/scene/control/TabPaneHeaderLeakTest.java
+ tests/system/src/test/java/test/javafx/scene/shape/ShapeViewOrderLeakTest.java