[7u4] request for review: 7144065: [macosx] Orphaned Choice popup window

[Alexander Potochkin]

Hello

Please review the following fix:
http://cr.openjdk.java.net/~alexp/7144065/webrev.00/

the bug's description is here:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7144065

Showing the popup with the awt.Choice as the target
allow us to reuse the standard Swing mouse grab functionality

Thanks
alexp