MD Settings / User Manager: fix blurry avatar icons

chrome/test/data/webui/settings/people_page_test.js

 // Copyright 2016 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.
 
 cr.define('settings_people_page', function() {
   /**
    * @constructor
    * @implements {settings.ProfileInfoBrowserProxy}
    * @extends {settings.TestBrowserProxy}
    */
@@ skipping 75 matching lines @@
         document.body.appendChild(peoplePage);
       });
 
       teardown(function() { peoplePage.remove(); });
 
       test('GetProfileInfo', function() {
         return browserProxy.whenCalled('getProfileInfo').then(function() {
           Polymer.dom.flush();
           assertEquals(browserProxy.fakeProfileInfo.name,
                        peoplePage.$$('#profile-name').textContent.trim());
-          assertEquals(browserProxy.fakeProfileInfo.iconUrl,
-                       peoplePage.$$('#profile-icon').src);
+          var bg = peoplePage.$$('#profile-icon').style.backgroundImage;
+          assertTrue(bg.includes(browserProxy.fakeProfileInfo.iconUrl));
 
           cr.webUIListenerCallback(
             'profile-info-changed',
             {name: 'pushedName', iconUrl: 'http://pushed-url/'});
 
           Polymer.dom.flush();
           assertEquals('pushedName',
                        peoplePage.$$('#profile-name').textContent.trim());
-          assertEquals('http://pushed-url/',
-                       peoplePage.$$('#profile-icon').src);
+          var newBg = peoplePage.$$('#profile-icon').style.backgroundImage;
+          assertTrue(newBg.includes('http://pushed-url/'));
         });
       });
 
       test('GetProfileManagesSupervisedUsers', function() {
         return browserProxy.whenCalled('getProfileManagesSupervisedUsers').then(
             function() {
               Polymer.dom.flush();
               assertFalse(!!peoplePage.$$('#manageSupervisedUsersContainer'));
 
               cr.webUIListenerCallback(
@@ skipping 127 matching lines @@
   }
 
   return {
     registerTests: function() {
       registerProfileInfoTests();
       if (!cr.isChromeOS)
         registerSyncStatusTests();
     },
   };
 });