MD History: Remove focus highlight from sidebar, add back ripples

chrome/browser/resources/md_history/app.js

 // Copyright 2016 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.
 
 Polymer({
   is: 'history-app',
 
   properties: {
     showSidebarFooter: Boolean,
 
@@ skipping 148 matching lines @@
         break;
       case 'slash-command':
         e.canExecute = !this.$.toolbar.searchBar.isSearchFocused();
         break;
       case 'delete-command':
         e.canExecute = this.$.toolbar.count > 0;
         break;
     }
   },
 
-  /** @private */
-  onDrawerFocus_: function() {
-    var sideBar = this.$$('#drawer-side-bar');
-    if (sideBar)
-      sideBar.focusCurrentPage();
-  },
-
   /**
    * @param {string} searchTerm
    * @private
    */
   searchTermChanged_: function(searchTerm) {
     this.set('queryParams_.q', searchTerm || null);
     this.$['history'].queryHistory(false);
   },
 
   /**
@@ skipping 90 matching lines @@
     return selectedPage;
   },
 
   /** @private */
   closeDrawer_: function() {
     var drawer = this.$$('#drawer');
     if (drawer)
       drawer.close();
   },
 });