<AWT Dev> [7u6] Request for review: 7160623 [macosx] Editable TextArea/TextField are blocking GUI applications from exit

[Sergey Bylokhov]

Hi Everyone,
This is a back port from jdk 8 to jdk 7u6.

Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7160623
jdk8 changeset: http://hg.openjdk.java.net/jdk8/awt/jdk/rev/c31eeeda3ed1
Webrev can be found at: http://cr.openjdk.java.net/~serb/7160623/webrev.00

Discussion about the same xawt fix: 
http://mail.openjdk.java.net/pipermail/awt-dev/2012-March/002381.html