hg: openjfx/8u/rt: 8151756: JavaFX CSS is applied redundantly leading to significant performance degradation

[kevin.rushforth at oracle.com]

Changeset: a1a7ab147c1b
Author:    jgiles
Date:      2016-04-02 14:15 +1300
URL:       http://hg.openjdk.java.net/openjfx/8u/rt/rev/a1a7ab147c1b

8151756: JavaFX CSS is applied redundantly leading to significant performance degradation
Reviewed-by: kcr

! modules/graphics/src/main/java/javafx/scene/Node.java
! modules/graphics/src/main/java/javafx/scene/Parent.java
! modules/graphics/src/main/java/javafx/scene/Scene.java
! modules/graphics/src/main/java/javafx/scene/SubScene.java