Returns information about the domains for which the script will be enabled. Returns null if @match and @include are not specified. Returns '<all_urls>' if the script will be run for all domains. Otherwise, it returns a list of strings with domains.
@match
@include
Object with data from ==UserScript== header.
Returns information about the domains for which the script will be enabled. Returns null if
@matchand@includeare not specified. Returns '<all_urls>' if the script will be run for all domains. Otherwise, it returns a list of strings with domains.