Fixed error screen behaviour when gaia frame loading is timed out.

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.
  */
 
 cr.define('login', function() {
   // Screens that should have offline message overlay.
@@ skipping 204 matching lines @@
             function f(e) {
               offlineMessage.removeEventListener('webkitTransitionEnd', f);
               if (offlineMessage.classList.contains('faded'))
                 offlineMessage.classList.add('hidden');
             });
         } else {
           offlineMessage.classList.add('hidden');
         }
       }
     },
-
-    // Request network state update with loading timeout as reason.
-    showLoadingTimeoutError: function() {
-      // Shows error message if it is not shown already.
-      if (this.classList.contains('hidden')) {
-        chrome.send('loginRequestNetworkState',
-                    ['login.ErrorMessageScreen.updateState',
-                     ERROR_REASONS.LOADING_TIMEOUT]);
-      }
-    }
   };
 
   /**
    * Prepares error screen to show proxy error.
    */
   ErrorMessageScreen.showProxyError = function() {
     $('error-message').showProxyError_();
   };
 
   /**
@@ skipping 76 matching lines @@
    * via template.
    */
   ErrorMessageScreen.updateLocalizedContent = function() {
     $('error-message').updateLocalizedContent_();
   };
 
   return {
     ErrorMessageScreen: ErrorMessageScreen
   };
 });