leveldb : A fast and lightweight key/value database library by Google. ( http://code.google.com/p/leveldb/ )
m17n-contrib : Contribution database for the m17n library ( http://www.m17n.org/m17n-lib/ )
m17n-db : Database for the m17n library ( http://www.m17n.org/m17n-lib/ )
sqlite : A SQL Database Engine in a C Library ( http://www.sqlite.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a chromiumos
For Paludis use this rsync : rsync://gentoo.zugaina.org/chromiumos-portage
If you have a problem : ycarus(-at-)zugaina.org