MD History: Implement search functionality.

chrome/browser/resources/md_history/history.js

 // Copyright 2015 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.
 
 // Globals:
 /** @const */ var RESULTS_PER_PAGE = 150;
 
 /**
  * Amount of time between pageviews that we consider a 'break' in browsing,
  * measured in milliseconds.
  * @const
  */
 var BROWSING_GAP_TIME = 15 * 60 * 1000;
 
 window.addEventListener('load', function() {
+  $('history-card-manager').loading = true;
   chrome.send('queryHistory', ['', 0, 0, 0, RESULTS_PER_PAGE]);
 });
 
 /**
  * Listens for history-item being selected or deselected (through checkbox)
  * and changes the view of the top toolbar.
  */
 window.addEventListener('history-checkbox-select', function(e) {
   $('toolbar').count += e.detail.countAddition;
 });
@@ skipping 34 matching lines @@
   }
 });
 
 /**
  * Resizing browser window will cause the overflow menu to close.
  */
 window.addEventListener('resize', function() {
   $('history-card-manager').closeMenu();
 });
 
+/**
+ * When the search is changed refresh the results and load either search results
+ * or normal history results.
+ */
+window.addEventListener('refresh-results', function(e) {
+  $('history-card-manager').resetHistoryResults();
+  chrome.send('queryHistory', [e.detail.search, 0, 0, 0, RESULTS_PER_PAGE]);
+});
+
 // Chrome Callbacks-------------------------------------------------------------
 
 /**
  * Our history system calls this function with results from searches.
  * @param {HistoryQuery} info An object containing information about the query.
  * @param {Array<HistoryEntry>} results A list of results.
  */
 function historyResult(info, results) {
-  $('history-card-manager').addNewResults(results);
+  $('history-card-manager').addNewResults(results, info.term);
 }
 
 /**
  * Called by the history backend when deletion was succesful.
  */
 function deleteComplete() {
   $('history-card-manager').removeDeletedHistory($('toolbar').count);
   $('toolbar').count = 0;
 }
 
 /**
  * Called by the history backend when the deletion failed.
  */
 function deleteFailed() {
 }
 
 /**
  * Called when the history is deleted by someone else.
  */
 function historyDeleted() {
 }