Add a notice about other forms of browsing history to the History WebUI.

chrome/test/data/webui/history_browsertest.js

 // Copyright (c) 2012 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.
 
 GEN('#include "chrome/test/data/webui/history_ui_browsertest.h"');
 
 /** @const */ var TOTAL_RESULT_COUNT = 160;
 /** @const */ var WAIT_TIMEOUT = 200;
 
 /**
@@ skipping 766 matching lines @@
   },
 
   /** @override */
   setUp: function() {
     BaseHistoryWebUITest.prototype.setUp.call(this);
 
     // Enable when failure is resolved.
     // AX_TEXT_04: http://crbug.com/560914
     this.accessibilityAuditConfig.ignoreSelectors(
         'linkWithUnclearPurpose',
-        '#notification-bar > A');
+        '#notification-bar > SPAN > A');
   },
 };
 
 /**
  * Simple test that verifies that the correct entries are retrieved from the
  * history database and displayed in the UI.
  */
 // Times out on Mac and Win: http://crbug.com/336845
 TEST_F('HistoryWebUIRealBackendTest', 'DISABLED_basic', function() {
   // Check that there are two days of entries, and three entries in total.
@@ skipping 342 matching lines @@
 TEST_F('HistoryWebUIWithSchemesTest', 'groupingWithSchemes', function() {
   // Switch to the week view.
   $('timeframe-controls').querySelectorAll('input')[1].click();
   waitForCallback('historyResult', function() {
     // Each URL should be organized under a different "domain".
     expectEquals(document.querySelectorAll('.entry').length, 4);
     expectEquals(document.querySelectorAll('.site-domain-wrapper').length, 4);
     testDone();
   });
 });