OOOOK, more news on the subject. I finally built chromium packages from those smaller sources, so a new slackbuild was born and new packages of chromium are ready. Plus, a new dependency (yasm) showed up, but that's no big deal. On Slackware64-13.1 and current we already have the package for yasm. If you are running Slackware-13.1 (32bit) you will need to build the package yourself (get the the slackbuild here.
Bellow are the links to download the slackbuild and the packages: