[MD History] Focus the search bar on load.

chrome/browser/resources/md_history/history.js

Index: chrome/browser/resources/md_history/history.js
diff --git a/chrome/browser/resources/md_history/history.js b/chrome/browser/resources/md_history/history.js
index 4cce580cc9e8ccc0e21f3930cb76b28bed560a43..b66887af29513d0d4dadfa1d8c5db0a943381e19 100644
--- a/chrome/browser/resources/md_history/history.js
+++ b/chrome/browser/resources/md_history/history.js
@@ -38,8 +38,8 @@ function waitForAppUpgrade() {
  */
 function historyResult(info, results) {
   waitForAppUpgrade().then(function() {
-    /** @type {HistoryAppElement} */($('history-app'))
-        .historyResult(info, results);
+    var app = /** @type {HistoryAppElement} */($('history-app'));
+    app.historyResult(info, results);
     document.body.classList.remove('loading');
 
     if (!resultsRendered) {
@@ -51,6 +51,12 @@ function historyResult(info, results) {
             'metricsHandler:recordTime',
             ['History.ResultsRenderedTime', window.performance.now()]);
       });
+
+      // Focus the search field on load. Done here to ensure the history page
+      // is rendered before we try to take focus.
+      if (!app.hasDrawer) {
+        app.focusToolbarSearchField();
+      }
     }
   });
 }