Multi-facet endpoint not working with JS API & Chrome 59 #161

{"trustedFacets":[{"version":{"major":1,"minor":0},"ids":["https://localhost:4001"]}]}

// Works as expected and I get response data in callback
doRegister({
   appId: 'https://localhost:4001',
   challenge: 'YEo8uW-0QfYrSudu1B_iLurfp7kG9ECbVuCE-GVNkmc'
   version: 'U2F_V2'
});

// Does NOT work. errorCode: 2 (bad request) in callback
doRegister({
   appId: 'https://localhost:44377/app-id.json',
   challenge: 'YEo8uW-0QfYrSudu1B_iLurfp7kG9ECbVuCE-GVNkmc'
   version: 'U2F_V2'
});

function doRegister(myChallenge) {
    window.u2f.register(myChallenge.appId, [{
        version: myChallenge.version,
        challenge: myChallenge.challenge
    }], [], function (data) {
        if (data.errorCode) {
            console.log('errorCode: ' + data.errorCode);
            return;
        }
        console.log('Response: ');
        console.log(JSON.stringify(data));
        return '';
    });
}