==== Background
Following on from T296415, we'd like to know how many users are enabling or disabling IP Info via Special:Preferences, and agreeing to or disagreeing with (?) IP Info's terms of use.
==== AC
[] When I enable IP Info, an event should be logged
** The `event_action` property should be `"enable_ipinfo"`
[] When I disable IP Info, an event should be logged
** The `event_action` property should be `"disable_ipinfo"`
[] When I agree with IP Info's terms of use via Special:Preferences, an event should be logged
** The `event_action` property should be `"check_iagree"`
** The `event_source` property should be `"special_preferences"`
[] When I agree with IP Info's terms of use via the infobox (on Special:Contributions), an event should be logged
** The `event_action` property should be `"check_i_agree"`
** The `event_source` property should be `"accordion"`
[] When I disagree with IP Info's terms of use, an event should be logged
** The `event_action` property should be `"uncheck_iagree"`