[8u40] Request for approval: 8066986 [headless] DataTransferer.getInstance throws ClassCastException in headless mode

[Alexander Zvegintsev]

Hello,

please approve the following fix for 8u40:

The webrew: http://cr.openjdk.java.net/~azvegint/jdk/8u/8066986/00/
The review: 
http://mail.openjdk.java.net/pipermail/awt-dev/2014-December/008751.html

It restores JDK-8051588 fix to its initial state (for more info please 
see the review thread).

-- 
Thanks,

Alexander.