NetworkPortalDetector/NetworkStateInformer: Switch over to use NetworkStateHandler

chrome/browser/resources/chromeos/login/screen_error_message.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.
 
 /**
  * @fileoverview Offline message screen implementation.
  */
 
 login.createScreen('ErrorMessageScreen', 'error-message', function() {
   // Link which starts guest session for captive portal fixing.
@@ skipping 118 matching lines @@
       };
       this.onContentChange_();
     },
 
     /**
      * Event handler that is invoked just before the screen in shown.
      * @param {Object} data Screen init payload.
      */
     onBeforeShow: function(data) {
       cr.ui.Oobe.clearErrors();
-      var lastNetworkType = 0;
-      if (data && data['lastNetworkType'])
-        lastNetworkType = data['lastNetworkType'];
-      cr.ui.DropDown.show('offline-networks-list', false, lastNetworkType);
+      cr.ui.DropDown.show('offline-networks-list', false);
     },
 
     /**
      * Event handler that is invoked just before the screen is hidden.
      */
     onBeforeHide: function() {
       cr.ui.DropDown.hide('offline-networks-list');
     },
 
     /**
@@ skipping 62 matching lines @@
       * @param {number} error_state New error state of the screen.
       * @param {string} network Name of the current network
       * @private
       */
     setErrorState: function(error_state, network) {
       this.setErrorState_(ERROR_STATES[error_state], network);
     }
   };
 });