[Sync] Make about:sync events page more selection friendly

chrome/browser/ui/webui/sync_internals_browsertest.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.
 
 /**
  * Test fixture for sync internals WebUI testing.
  * @constructor
  * @extends {testing.Test}
  */
 function SyncInternalsWebUITest() {}
@@ skipping 342 matching lines @@
   connectionEvent.details = {'status': 'CONNECTION_OK'};
   chrome.sync.events.dispatchEvent(connectionEvent);
 
   // Verify that it is displayed in the events log.
   var syncEventsTable = $('sync-events');
   var firstRow = syncEventsTable.children[0];
 
   // Makes some assumptions about column ordering.  We'll need re-think this if
   // it turns out to be a maintenance burden.
   assertEquals(4, firstRow.children.length);
+  var detailsText = firstRow.children[0].textContent;
   var submoduleName = firstRow.children[1].textContent;
   var eventName = firstRow.children[2].textContent;
-  var detailsText = firstRow.children[3].textContent;
 
   expectGE(submoduleName.indexOf('manager'), 0,
       'submoduleName=' + submoduleName);
   expectGE(eventName.indexOf('onConnectionStatusChange'), 0,
       'eventName=' + eventName);
   expectGE(detailsText.indexOf('CONNECTION_OK'), 0,
       'detailsText=' + detailsText);
 });
 
 TEST_F('SyncInternalsWebUITest', 'DumpSyncEventsToText', function() {
   // Dispatch an event.
   var connectionEvent = new Event('onConnectionStatusChange');
   connectionEvent.details = {'status': 'CONNECTION_OK'};
   chrome.sync.events.dispatchEvent(connectionEvent);
 
   // Click the dump-to-text button.
   $('dump-to-text').click();
 
   // Verify our event is among the results.
   var eventDumpText = $('data-dump').textContent;
 
   expectGE(eventDumpText.indexOf('onConnectionStatusChange'), 0);
   expectGE(eventDumpText.indexOf('CONNECTION_OK'), 0);
 });