hg: jdk10/client/jdk: 8173739: JPopupMenu does not disappear on KeyEvent

[prasanta.sadhukhan at oracle.com]

Changeset: 0ef02247a818
Author:    psadhukhan
Date:      2017-07-26 10:47 +0530
URL:       http://hg.openjdk.java.net/jdk10/client/jdk/rev/0ef02247a818

8173739: JPopupMenu does not disappear on KeyEvent
Reviewed-by: serb

! src/java.desktop/share/classes/javax/swing/JInternalFrame.java
+ test/javax/swing/JPopupMenu/8173739/TestPopupMenu.java