MD History: Implement search functionality.

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

Index: chrome/test/data/webui/md_history/history_card_manager_test.js
diff --git a/chrome/test/data/webui/md_history/history_card_manager_test.js b/chrome/test/data/webui/md_history/history_card_manager_test.js
index 6e511db02cf9cefe060bc1ddab1d7ad87a2a1da0..919ad6c5053a3ae2f0d03a482cdd2196958593e4 100644
--- a/chrome/test/data/webui/md_history/history_card_manager_test.js
+++ b/chrome/test/data/webui/md_history/history_card_manager_test.js
@@ -51,7 +51,7 @@ cr.define('md_history.history_card_manager_test', function() {
       });
 
       setup(function() {
-        element.addNewResults(TEST_HISTORY_RESULTS);
+        element.addNewResults(TEST_HISTORY_RESULTS, '');
       });
 
       test('splitting items by day', function() {
@@ -59,11 +59,11 @@ cr.define('md_history.history_card_manager_test', function() {
 
         // Ensure that the output is in reversed date order.
         assertEquals("Today - Wednesday, December 9, 2015",
-                     element.historyDataByDay_[0].date);
+                     element.historyDataByDay_[0].cardTitle);
         assertEquals("Yesterday - Tuesday, December 8, 2015",
-                     element.historyDataByDay_[1].date);
+                     element.historyDataByDay_[1].cardTitle);
         assertEquals("Monday, December 7, 2015",
-                     element.historyDataByDay_[2].date);
+                     element.historyDataByDay_[2].cardTitle);
         assertEquals("https://www.example.com",
                      element.historyDataByDay_[2].historyItems[0].url);
         assertEquals("https://www.google.com",
@@ -106,17 +106,17 @@ cr.define('md_history.history_card_manager_test', function() {
       });
 
       test('updating history results', function() {
-        element.addNewResults(ADDITIONAL_RESULTS);
+        element.addNewResults(ADDITIONAL_RESULTS, '');
 
         assertEquals(5, element.historyDataByDay_.length);
 
         // Ensure that the output is still in reverse order.
         assertEquals("Monday, December 7, 2015",
-                     element.historyDataByDay_[2].date);
+                     element.historyDataByDay_[2].cardTitle);
         assertEquals("Sunday, December 6, 2015",
-                     element.historyDataByDay_[3].date);
+                     element.historyDataByDay_[3].cardTitle);
         assertEquals("Saturday, December 5, 2015",
-                     element.historyDataByDay_[4].date);
+                     element.historyDataByDay_[4].cardTitle);
 
         // Ensure that the correct items have been appended to the list.
         assertEquals("https://en.wikipedia.com",