[8u20] Request for approval for 8032878: Editable combos in table do not behave as expected

[Alexey Ivanov]

Hello,

Please approve the backport of the fix to jdk8u-dev.

The bug: https://bugs.openjdk.java.net/browse/JDK-8032878
JDK 9 changeset:
http://hg.openjdk.java.net/jdk9/client/jdk/rev/2153a7725a4a

Code review: 
http://mail.openjdk.java.net/pipermail/swing-dev/2014-March/003317.html

Thanks,
Alexey.