Make favicons for about:history and about:bookmarks switch from lodpi to hidpi when dragging browser

chrome/common/extensions/docs/examples/api/fontSettings/js/util.js

 // Copyright (c) 2012 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.
 
 /**
  * The global object.
  * @type {!Object}
  * @const
  */
 var global = this;
@@ skipping 208 matching lines @@
  * @param {string} value The value of the param.
  * @return {string} The new URL.
  */
 function appendParam(url, key, value) {
   var param = encodeURIComponent(key) + '=' + encodeURIComponent(value);
 
   if (url.indexOf('?') == -1)
     return url + '?' + param;
   return url + '&' + param;
 }
-
-/**
- * Creates a new URL for a favicon request.
- * @param {string} url The url for the favicon.
- * @param {number=} opt_size Optional preferred size of the favicon.
- * @return {string} Updated URL for the favicon.
- */
-function getFaviconUrl(url, opt_size) {
-  var size = opt_size || 16;
-  return 'chrome://favicon/size/' + size + '@' +
-      window.devicePixelRatio + 'x/' + url;
-}