chromium/chrome/browser/resources/ash/settings/internet_page/apn_subpage.html

<style include="settings-shared">
</style>
<apn-list
    id="apnList"
    managed-cellular-properties="[[managedProperties_.typeProperties.cellular]]"
    guid="[[guid_]]"
    error-state="[[managedProperties_.errorState]]"
    portal-state="[[managedProperties_.portalState]]"
    should-disallow-apn-modification="[[shouldDisallowApnModification]]">
</apn-list>