host_registration_page.html - Android社区 - https://www.androidos.net.cn/

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Register your computer with Google</title>
<style>
#form {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  overflow: hidden;
  width: 100%;
  height: 100%;
  background: -webkit-linear-gradient(#FAFBFB, #CCD1D4);
}

</style>
<script>
document.addEventListener('DOMContentLoaded', load);
window.addEventListener('message', processMessage);
var hostPageDomain = 'chrome://register';
var registerDoneUrl = 'cros://register/success';
var registerSkipUrl = 'cros://register/skipped';
var registrationUrl = '';

function load() {
  chrome.send('getRegistrationUrl', []);
}
function $(o) {
  return document.getElementById(o);
}

function processMessage(e) {
  if (e.data.domain != registrationUrl){
    skipRegistration();
    return;
  }

  if (e.data.type == 'get_user_info') {
    chrome.send('getUserInfo', []);
  } else if (e.data.type == 'complete_registration') {
    location.replace(e.data.payload.registration_status ? registerDoneUrl :
                                                          registerSkipUrl);
  }
}

function setRegistrationUrl(url) {
  registrationUrl = url;
  $('form').contentWindow.location.href = url;
}

function setUserInfo(userInfo) {
  var msg = {
    type: 'set_user_info',
    domain: hostPageDomain,
    payload: userInfo
  };
  $('form').contentWindow.postMessage(msg, registrationUrl);
}

// Called by WebUI handler when startup manifest is not defined.
function skipRegistration() {
  location.replace(registerSkipUrl);
}
</script>
</head>
<body><iframe id="form" frameborder="0"></iframe></body>
</html>