[MD History] Make side bar always visible.

chrome/browser/resources/md_history/history_toolbar.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.
 
 /**
  * @constructor
  * @implements {SearchFieldDelegate}
  * @param {!HistoryToolbarElement} toolbar This history-toolbar.
  */
 function ToolbarSearchFieldDelegate(toolbar) {
@@ skipping 30 matching lines @@
     searchTerm: {
       type: String,
       value: ''
     },
 
     // True if it's searching at the backend.
     searching: {
       type: Boolean,
       value: false
     },
-
-    // True if the page has a sidebar that we need to account for when
-    // positioning toolbar items.
-    hasSidebar: {
-      type: Boolean,
-      value: false,
-      reflectToAttribute: true
-    }
   },
 
   /**
    * Changes the toolbar background color depending on whether any history items
    * are currently selected.
    * @private
    */
   changeToolbarView_: function() {
     this.itemsSelected_ = this.count > 0;
   },
@@ skipping 50 matching lines @@
    * @private
    */
   deletingAllowed_: function() {
     return loadTimeData.getBoolean('allowDeletingHistory');
   },
 
   numberOfItemsSelected_: function(count) {
     return count > 0 ? loadTimeData.getStringF('itemsSelected', count) : '';
   }
 });