While less and less duplicate profiles are being created due to our efforts in the past months, duplicate profiles that were saved before that are still present.
As a first step to dedupe existing profiles, we should expend the current logic of finding and merging the inserted profile with the first matching existing profile to all matching existing profiles.
As a result, using a profile will effectively merge it with all similar profiles and delete all but the resulting profile.
Comment 1 by bugdroid1@chromium.org
, Jun 13 2016