--- a/jdk/src/java.desktop/share/classes/javax/swing/JRootPane.java	Thu Feb 02 11:05:06 2017 +0530
+++ b/jdk/src/java.desktop/share/classes/javax/swing/JRootPane.java	Fri Feb 03 09:28:34 2017 -0800
@@ -663,8 +663,7 @@
             throw new NullPointerException("glassPane cannot be set to null.");
         }
 
-        AWTAccessor.getComponentAccessor().setMixingCutoutShape(glass,
-                new Rectangle());
+        glass.setMixingCutoutShape(new Rectangle());
 
         boolean visible = false;
         if (glassPane != null && glassPane.getParent() == this) {