kwallet single sign on in trusty

[kubicle]

Has anyone with lightdm (I'm using kdm, and this seems - by the looks of it - to be lightdm only) tested this yet?:
https://bugs.launchpad.net/ubuntu/+s...t/+bug/1305307

Should be a good solution for those who want to protect their kwallet with their password, but don't wish to type it twice.