MD Downloads: simplify font preloading further

chrome/browser/resources/md_downloads/crisper.js

 // Copyright (c) 2013 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 assert(condition, opt_message) {
   if (!condition) {
     var message = 'Assertion failed';
     if (opt_message) message = message + ': ' + opt_message;
     var error = new Error(message);
     var global = function() {
       return this;
@@ skipping 7008 matching lines @@
   return {
     Manager: Manager
   };
 });
 
 // Copyright 2015 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.
 window.addEventListener('load', function() {
   downloads.Manager.onLoad();
-  if (!cr.isChromeOS) {
-    new FontFace('Roboto', "local('Roboto Bold'), local('Roboto-Bold'), " + "url(chrome://resources/roboto/roboto-bold.woff2) format('woff2')", {
-      weight: 'bold'
-    }).load();
-  }
-});
+  document.fonts.load('bold 12px Roboto');
+});