Get whether itp_first_party has granted website data access to its #WebKitITPThirdParty.
Each WebKitITPFirstParty is created by webkit.itpthird_party.ITPThirdParty.getFirstParties and therefore corresponds to exactly one #WebKitITPThirdParty.
true if website data access has been granted, or false otherwise
Get whether itp_first_party has granted website data access to its #WebKitITPThirdParty.
Each WebKitITPFirstParty is created by webkit.itpthird_party.ITPThirdParty.getFirstParties and therefore corresponds to exactly one #WebKitITPThirdParty.