[MD Settings][People] sync icon instead of checkmark to represent successful sync

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 329 matching lines @@
    * @return {string}
    */
   getSyncIcon_: function(syncStatus) {
     if (!syncStatus)
       return '';
     if (syncStatus.hasError)
       return 'settings:sync-problem';
     if (syncStatus.managed)
       return 'settings:sync-disabled';
 
-    return 'settings:done';
+    return 'settings:sync';
   },
 
   /**
    * @param {string} iconUrl
    * @return {string} A CSS imageset for multiple scale factors.
    * @private
    */
   getIconImageset_: function(iconUrl) {
     return cr.icon.getImage(iconUrl);
   },
 
   /**
    * @return {boolean} Whether to show the "Sign in to Chrome" button.
    * @private
    */
   showSignin_: function(syncStatus) {
     return syncStatus.signinAllowed && !syncStatus.signedIn;
   },
 });