Add <a is="action-link">, a web component extension of <a> for in-page actions.

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 399 matching lines @@
       expectEquals(entryDate.getYear(), date.getYear());
       expectEquals(entryDate.getMonth(), date.getMonth());
       expectEquals(entryDate.getDay(), date.getDay());
       expectEquals(entryDate.getHours(), date.getHours());
       expectEquals(entryDate.getMinutes(), date.getMinutes());
     }
   }
 
   // Check that there are 3 page navigation links and that only the "Older"
   // link is visible.
-  expectEquals(3, document.querySelectorAll('.link-button').length);
+  expectEquals(3, document.querySelectorAll('[is="action-link"]').length);
   expectTrue($('newest-button').hidden);
   expectTrue($('newer-button').hidden);
   expectFalse($('older-button').hidden);
 
   ensureTimeWidthsEqual();
 
   // Go to the next page.
   $('older-button').click();
   waitForCallback('historyResult', function() {
     resultCount += document.querySelectorAll('.entry').length;
 
     // Check that the two pages include all of the entries.
     expectEquals(TOTAL_RESULT_COUNT, resultCount);
 
     // Check that the day header was properly continued -- the header for the
     // last day on the first page should be a substring of the header on the
     // second page. E.g. "Wed, Oct 8, 2008" and "Web, Oct 8, 2008 - cont'd".
     var newDayHeaders = document.querySelectorAll('.day');
     expectEquals(1, newDayHeaders.length);
     expectEquals(0,
         newDayHeaders[0].textContent.indexOf(dayHeaders[1].textContent));
 
     // Check that the "Newest" and "Newer" links are now visible, but the
     // "Older" link is hidden.
-    expectEquals(3, document.querySelectorAll('.link-button').length);
+    expectEquals(3, document.querySelectorAll('[is="action-link"]').length);
     expectFalse($('newest-button').hidden);
     expectFalse($('newer-button').hidden);
     expectTrue($('older-button').hidden);
 
     ensureTimeWidthsEqual();
 
     // Go back to the first page, and check that the same day headers are there.
     $('newest-button').click();
     var newDayHeaders = document.querySelectorAll('.day');
     expectEquals(2, newDayHeaders.length);
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 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();
   });
 });