I was using Google Places' address auto-complete on a CRM, and most users loved it. Chrome's behavior completely broke this functionality by overlaying their auto-fill on top of Google Places suggestions, with no sane way to disable it. We decided to stop using address auto-complete and force our customers to type the address fields instead.

Ironically, we were paying Google a few thousand dollars per month for this, so they are not getting our revenue as a direct consequence of Chrome's behavior.