[SyncFS] Add TaskLog tab on chrome://syncfs-internals

chrome/browser/resources/sync_file_system_internals/sync_service.js

 // Copyright 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.
 
 /**
  * WebUI to monitor the Sync File System Service.
  */
 var SyncService = (function() {
 'use strict';
 
@@ skipping 51 matching lines @@
  * Handles callback from getUpdateLog.
  * @param {Array} list List of dictionaries containing 'id', 'time', 'logEvent'.
  */
 SyncService.onGetLog = function(logEntries) {
   var itemContainer = $('log-entries');
   for (var i = 0; i < logEntries.length; i++) {
     var logEntry = logEntries[i];
     var tr = document.createElement('tr');
     var error = /ERROR/.test(logEntry.logEvent) ? ' error' : '';
     tr.appendChild(createElementFromText('td', logEntry.time,
-                                         {class: 'log-time'}));
+                                         {'class': 'log-time'}));
     tr.appendChild(createElementFromText('td', logEntry.logEvent,
-                                         {class: 'log-event' + error}));
+                                         {'class': 'log-event' + error}));
     itemContainer.appendChild(tr);
 
     lastLogEventId = logEntry.id;
   }
 }
 
 /**
  * Get initial sync service values and set listeners to get updated values.
  */
 function main() {
   cr.ui.decorate('tabbox', cr.ui.TabBox);
   $('clear-log-button').addEventListener('click', clearLogs);
   getServiceStatus();
   getNotificationSource();
 
   // TODO: Look for a way to push entries to the page when necessary.
   window.setInterval(getLog, 1000);
 }
 
 document.addEventListener('DOMContentLoaded', main);
 return SyncService;
 })();