modules/controls/src/main/java/javafx/scene/control/skin/ProgressBarSkin.java

@@ -23,10 +23,11 @@
  * questions.
  */
 
 package javafx.scene.control.skin;
 
+import com.sun.javafx.scene.NodeHelper;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 

@@ -295,11 +296,11 @@
         track.setVisible(true);
 
         // width might have changed so recreate our animation if needed
         if (isIndeterminate) {
             createIndeterminateTimeline();
-            if (getSkinnable().impl_isTreeVisible()) {
+            if (NodeHelper.isTreeVisible(getSkinnable())) {
                 indeterminateTransition.play();
             }
 
             // apply clip
             bar.setClip(clipRegion);