[7u4] Review request for 7143768: [macosx] Unexpected NullPointerException and java.io.IOException during DnD

[Alexander Zuev]

Hello,

   please review my fix for 7143768: [macosx] Unexpected 
NullPointerException and java.io.IOException during DnD

   Bug description can be found at 
http://bugs.sun.com/view_bug.do?bug_id=7143768

   Webrev is here: http://cr.openjdk.java.net/~kizune/7143768/webrev.00/
The idea of the fix is to implement methods
ByteArrayOutputStream 
CDataTransferer.convertFileListToBytes(ArrayList<String>)
and
boolean CDataTransferer.isURIListFormat(long)

With best regards,
Alexander Zuev