Maybe "key part" is overstating it a bit, but the auto-update, crash reporting and usage tracking systems are all closed-source, as are the Flash plugin and som

Maybe "key part" is overstating it a bit, but the auto-update, crash reporting and usage tracking systems are all closed-source, as are the Flash plugin and some non-free audio/video codecs that are bundled with Chrome. https://code.google.com/p/chromium/wiki/ChromiumBrowserVsGoogleChrome https://code.google.com/p/chromium/wiki/ChromiumBrowserVsGoo...