src/java.desktop/share/classes/javax/swing/plaf/synth/SynthToolTipUI.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -224,13 +224,12 @@
     public void propertyChange(PropertyChangeEvent e) {
         if (SynthLookAndFeel.shouldUpdateStyle(e)) {
             updateStyle((JToolTip)e.getSource());
         }
         String name = e.getPropertyName();
-        if (name.equals("tiptext") || "font".equals(name) ||
-                "foreground".equals(name) ||
-                "ancestor" == name || "graphicsConfiguration" == name) {
+        if (name.equals("tiptext") || "graphicsConfiguration".equals(name)
+                || "foreground".equals(name) || "font".equals(name)) {
             // remove the old html view client property if one
             // existed, and install a new one if the text installed
             // into the JLabel is html source.
             JToolTip tip = ((JToolTip) e.getSource());
             String text = tip.getTipText();