Message.setSiteForCookies
void setSiteForCookies(glib.uri.Uri siteForCookies = null)Sets site_for_cookies as the policy URL for same-site cookies for msg.
It is either the URL of the top-level document or null depending on whether the registrable domain of this document's URL matches the registrable domain of its parent's/opener's URL. For the top-level document it is set to the document's URL.
See the same-site spec for more information.
Parameters
siteForCookies | the #GUri for the msg's site for cookies |