--- old/modules/graphics/src/main/java/com/sun/javafx/scene/layout/RegionHelper.java	2016-06-03 11:04:16.509423448 -0700
+++ new/modules/graphics/src/main/java/com/sun/javafx/scene/layout/RegionHelper.java	2016-06-03 11:04:16.369423449 -0700
@@ -25,9 +25,14 @@
 
 package com.sun.javafx.scene.layout;
 
+import com.sun.javafx.geom.BaseBounds;
+import com.sun.javafx.geom.PickRay;
+import com.sun.javafx.geom.transform.BaseTransform;
 import com.sun.javafx.scene.ParentHelper;
+import com.sun.javafx.scene.input.PickResultChooser;
 import com.sun.javafx.sg.prism.NGNode;
 import com.sun.javafx.util.Utils;
+import javafx.geometry.Bounds;
 import javafx.scene.Node;
 import javafx.scene.layout.Region;
 
@@ -63,6 +68,36 @@
         regionAccessor.doUpdatePeer(node);
     }
 
+    @Override
+    protected Bounds computeLayoutBoundsImpl(Node node) {
+        return regionAccessor.doComputeLayoutBounds(node);
+    }
+
+    @Override
+    protected BaseBounds computeGeomBoundsImpl(Node node, BaseBounds bounds,
+            BaseTransform tx) {
+        regionAccessor.doComputeGeomBounds(node, bounds, tx);
+        // NOTE: Okay to call computeGeomBoundsImpl with tx even in the 3D case
+        // since Parent's computeGeomBoundsImpl does handle 3D correctly.
+        BaseBounds cb = super.computeGeomBoundsImpl(node, bounds, tx);
+        return regionAccessor.doComputeGeomBounds2(cb, node, bounds, tx);
+    }
+
+    @Override
+    protected boolean computeContainsImpl(Node node, double localX, double localY) {
+        return regionAccessor.doComputeContains(node, localX, localY);
+    }
+
+    @Override
+    protected void notifyLayoutBoundsChangedImpl(Node node) {
+        regionAccessor.doNotifyLayoutBoundsChanged(node);
+    }
+    @Override
+    protected void pickNodeLocalImpl(Node node, PickRay localPickRay,
+            PickResultChooser result) {
+        regionAccessor.doPickNodeLocal(node, localPickRay, result);
+    }
+
     public static void setRegionAccessor(final RegionAccessor newAccessor) {
         if (regionAccessor != null) {
             throw new IllegalStateException();
@@ -74,6 +109,13 @@
     public interface RegionAccessor {
         void doUpdatePeer(Node node);
         NGNode doCreatePeer(Node node);
+        Bounds doComputeLayoutBounds(Node node);
+        BaseBounds doComputeGeomBounds(Node node, BaseBounds bounds, BaseTransform tx);
+        BaseBounds doComputeGeomBounds2(BaseBounds cb, Node node, BaseBounds bounds, BaseTransform tx);
+        boolean doComputeContains(Node node, double localX, double localY);
+        void doNotifyLayoutBoundsChanged(Node node);
+        void doPickNodeLocal(Node node, PickRay localPickRay,
+            PickResultChooser result);
     }
 
 }