locationd uses network-manager and wpa-supplicant to get a list of current access points to use them as input for the Mozilla Location Service provider. The provider is deactivated by default and needs to be actively enabled by the user before it starts talking with the service.
After one week, only one vote was cast. Adding an extension and pinging a subset of reviewers directly: @niemeyer, @popey, @ratliff, @nessita-- can one or more of you cast your vote?