MD Settings / User Manager: fix blurry avatar icons

chrome/browser/resources/settings/people_page/people_page.js

 // 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.
 
 /**
  * @fileoverview
  * 'settings-people-page' is the settings page containing sign-in settings.
  */
 Polymer({
   is: 'settings-people-page',
@@ skipping 313 matching lines @@
   getSyncIcon_: function(syncStatus) {
     if (!syncStatus)
       return '';
     if (syncStatus.hasError)
       return 'settings:sync-problem';
     if (syncStatus.managed)
       return 'settings:sync-disabled';
 
     return 'settings:done';
   },
+
+  /**
+   * @param {string} iconUrl
+   * @return {string} A CSS imageset for multiple scale factors.
+   * @private
+   */
+  getIconImageset_: function(iconUrl) {
+    return cr.icon.getProfileAvatarIcon(iconUrl);
+  },
 });