Digital Rights Management. Usually DRM agreements are imbedded in the terms and conditions no one reads when they install software. It usually gives the software vendor the right to monitor your use of the software in real time via the internet.
Within the context of Chrome and other Chromium based web browsers, this means that Google will be able to monitor your web browsing in a new way any time you're using a browser based on Chrome/Chromium.
Still using Kbin via web browser on desktop and mobile; with Kbin Enhancement Suite. Aside from some availability issues early in the migration, it's been very stable.