[7u6] Request for approval for 7150345: [macosx] Can't type into applets

[Dmitry Cherepanov]

This is a request to push the following fix to jdk7u-dev:

CR: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7150345

Webrev: http://cr.openjdk.java.net/~dcherepanov/7150345/webrev.1/

Technical review: 
http://mail.openjdk.java.net/pipermail/macosx-port-dev/2012-March/003487.html

Thanks,
Dmitry