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

chrome/test/data/webui/history_browsertest.js

Index: chrome/test/data/webui/history_browsertest.js
diff --git a/chrome/test/data/webui/history_browsertest.js b/chrome/test/data/webui/history_browsertest.js
index 938ee377c77e4f2dcc766340d928e7a394f11683..bcaf7810f773256a65db22ff76f6c71b37b510b0 100644
--- a/chrome/test/data/webui/history_browsertest.js
+++ b/chrome/test/data/webui/history_browsertest.js
@@ -417,7 +417,7 @@ TEST_F('HistoryWebUITest', 'DISABLED_basicTest', function() {
 
   // 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);
@@ -442,7 +442,7 @@ TEST_F('HistoryWebUITest', 'DISABLED_basicTest', function() {
 
     // 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);
@@ -784,7 +784,8 @@ TEST_F('HistoryWebUIRealBackendTest', 'basic', function() {
 });
 
 TEST_F('HistoryWebUIRealBackendTest', 'atLeastOneFocusable', function() {
-  expectEquals(1, document.querySelectorAll('[tabindex="0"]').length);
+  var results = document.querySelectorAll('#results-display [tabindex="0"]');
+  expectEquals(1, results.length);
   testDone();
 });
 
@@ -944,7 +945,8 @@ TEST_F('HistoryWebUIDeleteProhibitedTest', 'deleteProhibited', function() {
 });
 
 TEST_F('HistoryWebUIDeleteProhibitedTest', 'atLeastOneFocusable', function() {
-  expectEquals(1, document.querySelectorAll('[tabindex="0"]').length);
+  var results = document.querySelectorAll('#results-display [tabindex="0"]');
+  expectEquals(1, results.length);
   testDone();
 });