Google has launched an extension for Chrome which allows administrators to specify a list of websites which require 'Legacy browsers' (which is basically their nu-speak for 'IE'). When a user then goes to that site in Chrome, it auto-launches the 'Legacy browser' for that site. It also includes an addon for IE which will switch the user back to Chrome when they're done on that site - ie. if they go to a site which doesn't require IE. The list of sites is then specified via GPO.

Details of the extensions are available here - 1) Legacy Browser Support - Chrome for Business Help

More details about the release can be found here, including 'analysts' saying that businesses will still use IE: Google tells Microsoft IE shops: We can help you with those 'legacy apps' ? The Register