MD History: hide tooltip promo when drawer is swiped open

chrome/browser/resources/settings/settings_ui/settings_ui.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.
 
 /**
  * @fileoverview
  * 'settings-ui' implements the UI for the Settings page.
  *
  * Example:
  *
@@ skipping 45 matching lines @@
   created: function() {
     settings.initializeRouteFromUrl();
   },
 
   /**
    * @override
    * @suppress {es5Strict} Object literals cannot contain duplicate keys in ES5
    *     strict mode.
    */
   ready: function() {
-    this.$$('cr-toolbar').addEventListener('search-changed', function(e) {
+    var toolbar = this.$$('cr-toolbar');
+    toolbar.showMenuPromo = false;
+    toolbar.addEventListener('search-changed', function(e) {
       this.$$('settings-main').searchContents(e.detail);
     }.bind(this));
 
     // Lazy-create the drawer the first time it is opened or swiped into view.
     var drawer = assert(this.$$('app-drawer'));
     listenOnce(drawer, 'track opened-changed', function() {
       this.$.drawerTemplate.if = true;
     }.bind(this));
 
     window.addEventListener('popstate', function(e) {
@@ skipping 51 matching lines @@
   onMenuButtonTap_: function() {
     this.$$('app-drawer').toggle();
   },
 
   /** @private */
   directionDelegateChanged_: function() {
     this.$$('app-drawer').align = this.directionDelegate.isRtl() ?
         'right' : 'left';
   },
 });