src/share/classes/sun/awt/AWTAccessor.java

@@ -112,10 +112,15 @@
 
         /**
          * Sets the appContext of the component.
          */
         void setAppContext(Component comp, AppContext appContext);
+
+        /**
+         * Invalidates the component w/o propagating invalidation to ancestors.
+         */
+        void invalidateImpl(Component comp);
     }
 
     /*
      * An interface of accessor for java.awt.Window class.
      */