Update Autofill scripts for serializing profiles from the webdb.

Support multi-valued profiles, hey!

BUG=none
TEST=none


Review URL: http://codereview.chromium.org/7262017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@90668 0039d316-1c4b-4281-b951-d872f2087c98