[MD History] Implement grouped history UI.

chrome/test/data/webui/md_history/history_supervised_user_test.js

Index: chrome/test/data/webui/md_history/history_supervised_user_test.js
diff --git a/chrome/test/data/webui/md_history/history_supervised_user_test.js b/chrome/test/data/webui/md_history/history_supervised_user_test.js
index 0c648712ced8ff4d473ff17234c4463332d557a0..a8baed47eefb4113e20edd64595ca57846f1b737 100644
--- a/chrome/test/data/webui/md_history/history_supervised_user_test.js
+++ b/chrome/test/data/webui/md_history/history_supervised_user_test.js
@@ -5,19 +5,21 @@
 cr.define('md_history.history_supervised_user_test', function() {
   function registerTests() {
     suite('history-list supervised-user', function() {
+      var app;
       var element;
       var toolbar;
       var TEST_HISTORY_RESULTS;
 
       suiteSetup(function() {
-        element = $('history-app').$['history-list'];
-        toolbar = $('history-app').$['toolbar'];
+        app = $('history-app');
+        element = app.$['history-list'];
+        toolbar = app.$['toolbar'];
         TEST_HISTORY_RESULTS =
             [createHistoryEntry('2016-03-15', 'https://www.google.com')];
       });
 
       setup(function() {
-        element.addNewResults(TEST_HISTORY_RESULTS);
+        app.historyResult(createHistoryInfo(), TEST_HISTORY_RESULTS);
       });
 
       test('checkboxes disabled for supervised user', function(done) {