--- a/jdk/src/java.desktop/share/classes/javax/swing/plaf/LayerUI.java	Mon Aug 18 14:03:21 2014 +0100
+++ b/jdk/src/java.desktop/share/classes/javax/swing/plaf/LayerUI.java	Tue Aug 19 10:32:16 2014 -0700
@@ -716,10 +716,22 @@
      * @param y  the y value of the region to be painted
      * @param width  the width of the region to be painted
      * @param height  the height of the region to be painted
-     *
+     * @param l  a {@code JLayer} component
      * @see JComponent#paintImmediately(int, int, int, int)
      */
     public void paintImmediately(int x, int y, int width, int height, JLayer<? extends V> l) {
         l.paintImmediately(x, y, width, height);
     }
+
+    /**
+     * Delegates its functionality to the default implementation of the {@code JLayer.imageUpdate} method
+     * which is inherited from {@code JLayer}'s base classes.
+     * <p>
+     * This method is to be overridden instead of {@code JLayer.imageUpdate}.
+     * <p>
+     * <b>Note:</b> This method is usually called <b>not</b> on the Event Dispatching Thread.
+     */
+    public boolean imageUpdate(Image img, int infoflags, int x, int y, int w, int h, JLayer<? extends V> l) {
+        return l.imageUpdate(img, infoflags, x, y, w, h);
+    }
 }