jdk/src/share/classes/sun/swing/JLightweightFrame.java
Wed, 15 May 2013 16:49:34 +0400 ant 8014227: JLightweightFrame needs another synchronization policy
Fri, 29 Mar 2013 16:12:11 +0400 ant 8010375: sun.swing.JLightweightFrame should be implemented for XToolkit
Fri, 22 Feb 2013 15:13:13 +0400 ant 8006406: lightweight embedding in other Java UI toolkits
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