Chromium OS now runs on Trim-Slice. While Chromium OS on Trim-Slice is work-in-progress, it demonstrates the Tegra 2 capability of supporting Chromium OS in a desktop environment in full-HD and with dual-head display.
Trim-Slice website on Chromium OS
Chromium OS About page
Chrome web store
Entanglement game on Chromium OS
Google News
Engadget website