LinuxHub posted a tutorial about installing the development version of Chromium in Ubuntu 11.04
When you install Chromium on Ubuntu 11.04 using the software center you get the stable version on your machine. However, if you want to flirt around with the latest features you will need the Dev channels to be able to use the developer version of Chromium. Let’s see how to update the channels to dev version to install the latest developer version of Ubuntu 11.04.Install Chromium Dev version in Ubuntu 11.04