Not there yet, because ChromeOS's user interface is not written as a web app. (Think close, minimize, maximize, window frame, taskbar, etc.) Same for it's nativ

Not there yet, because ChromeOS's user interface is not written as a web app. (Think close, minimize, maximize, window frame, taskbar, etc.) Same for it's native user interface (Settings menu). I'm thinking of a desktop environment where everything was truly web - there was no native toolkit.