The leaked Search documents are real, according to the search engine

Google is not using Chrome data to rank websites and E-E-A-T (experience, expertise, authoritativeness and trustworthiness) isn’t a ranking factor, leaked documents revealed. They also showed that links appearing below vogue.com URL may be created in part by using chrome data. The documents said Google doesn’t use Chrome data to rank pages, but Chrome is specifically mentioned in sections about how websites appear in Search.