[MD History] Add history-searched-label to embolden the synced device search.

chrome/browser/resources/md_history/synced_device_card.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-synced-device-card',
 
   properties: {
     // Name of the synced device.
     device: {type: String, value: ''},
@@ skipping 14 matching lines @@
     /**
      * The indexes where a window separator should be shown. The use of a
      * separate array here is necessary for window separators to appear
      * correctly in search. See http://crrev.com/2022003002 for more details.
      * @type {!Array<number>}
      */
     separatorIndexes: Array,
 
     // Whether the card is open.
     cardOpen_: {type: Boolean, value: true},
+
+    searchedTerm: String,
   },
 
   /**
    * Opens all the tabs displayed on the device in separate tabs.
    * @private
    */
   openAllTabs_: function() {
     // TODO(calamity): add a warning if an excessive number of tabs will open.
     for (var i = 0; i < this.tabs.length; i++)
       window.open(this.tabs[i].url, '_blank');
@@ skipping 22 matching lines @@
             cr.icon.getFaviconImageSet(this.tabs[i].url);
       }
     });
   },
 
   /** @private */
   isWindowSeparatorIndex_: function(index, separatorIndexes) {
     return this.separatorIndexes.indexOf(index) != -1;
   }
 });