It is time.

ui/accessibility/extensions/caretbrowsing/options.js

-/* Copyright (c) 2014 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-function setRadio(name, defaultValue) {
-  chrome.storage.sync.get(name, function(result) {
-    var value = result[name];
-    if (value === undefined) {
-      value = defaultValue;
-      var obj = {};
-      obj[name] = value;
-      chrome.storage.sync.set(obj);
-    }
-    var controls = document.querySelectorAll(
-        'input[type="radio"][name="' + name + '"]');
-    for (var i = 0; i < controls.length; i++) {
-      var c = controls[i];
-      if (c.value == value) {
-        c.checked = true;
-      }
-      c.addEventListener('change', function(evt) {
-        if (evt.target.checked) {
-          var obj = {};
-          obj[evt.target.name] = evt.target.value;
-          chrome.storage.sync.set(obj);
-        }
-      }, false);
-    }
-  });
-}
-
-function load() {
-  var isMac = (navigator.appVersion.indexOf("Mac") != -1);
-  if (isMac) {
-    document.body.classList.add('mac');
-  } else {
-    document.body.classList.add('nonmac');
-  }
-
-  var isCros = (navigator.appVersion.indexOf("CrOS") != -1);
-  if (isCros) {
-    document.body.classList.add('cros');
-  } else {
-    document.body.classList.add('noncros');
-  }
-
-  setRadio('onenable', 'anim');
-  setRadio('onjump', 'flash');
-
-  var heading = document.querySelector('h1');
-  var sel = window.getSelection();
-  sel.setBaseAndExtent(heading, 0, heading, 0);
-
-  document.title = chrome.i18n.getMessage('caretBrowsingOptions');
-  var i18nElements = document.querySelectorAll('*[i18n-content]');
-  for (var i = 0; i < i18nElements.length; i++) {
-    var elem = i18nElements[i];
-    var msg = elem.getAttribute('i18n-content');
-    elem.innerHTML = chrome.i18n.getMessage(msg);
-  }
-}
-
-window.addEventListener('load', load, false);