bluetooth: add function to hide Bluetooth settings

chrome/browser/resources/options2/browser_options.js

 // Copyright (c) 2012 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.
 
 cr.define('options', function() {
   var OptionsPage = options.OptionsPage;
   var ArrayDataModel = cr.ui.ArrayDataModel;
   var RepeatingButton = cr.ui.RepeatingButton;
 
   //
@@ skipping 1101 matching lines @@
 
     /**
      * Activate the bluetooth settings section on the System settings page.
      * @private
      */
     showBluetoothSettings_: function() {
       $('bluetooth-devices').hidden = false;
     },
 
     /**
+     * Dectivates the bluetooth settings section from the System settings page.
+     * @private
+     */
+    hideBluetoothSettings_: function() {
+      $('bluetooth-devices').hidden = true;
+    },
+
+    /**
      * Sets the state of the checkbox indicating if bluetooth is turned on. The
      * state of the "Find devices" button and the list of discovered devices may
      * also be affected by a change to the state.
      * @param {boolean} checked Flag Indicating if Bluetooth is turned on.
      * @private
      */
     setBluetoothState_: function(checked) {
       $('enable-bluetooth').checked = checked;
       $('bluetooth-paired-devices-list').parentNode.hidden = !checked;
       $('bluetooth-add-device').hidden = !checked;
@@ skipping 35 matching lines @@
       if (device.pairing)
         BluetoothPairing.showDialog(device);
     },
   };
 
   //Forward public APIs to private implementations.
   [
     'addBluetoothDevice',
     'getStartStopSyncButton',
     'guestModeActive',
+    'hideBluetoothSettings',
     'removeCloudPrintConnectorSection',
     'setAutoOpenFileTypesDisabledAttribute',
     'setBackgroundModeCheckboxState',
     'setBluetoothState',
     'setCheckRevocationCheckboxState',
     'setFontSize',
     'setGtkThemeButtonEnabled',
     'setHighContrastCheckboxState',
     'setInstantFieldTrialStatus',
     'setMetricsReportingCheckboxState',
@@ skipping 32 matching lines @@
     BrowserOptions.getLoggedInUsername = function() {
       return BrowserOptions.getInstance().username_;
     };
   }
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 });