hg: openjfx/10-dev/rt: 8183530: JavaFX charts peg rendering thread as more data is added

[james.graham at oracle.com]

Changeset: 380f0ff227b2
Author:    flar
Date:      2017-08-01 14:10 -0700
URL:       http://hg.openjdk.java.net/openjfx/10-dev/rt/rev/380f0ff227b2

8183530: JavaFX charts peg rendering thread as more data is added
Reviewed-by: jgiles

! modules/javafx.controls/src/main/java/javafx/scene/chart/AreaChart.java
! modules/javafx.controls/src/main/java/javafx/scene/chart/LineChart.java