Remove unused UserSettingsChanged and UpdateGaia.

chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.h"
 
 #include "ash/system/chromeos/devicetype_utils.h"
 #include "base/bind.h"
 #include "base/guid.h"
 #include "base/logging.h"
@@ skipping 279 matching lines @@
     params.SetString("gaiaUrl", eafe_url);
     params.SetString("gaiaPath", eafe_path);
     params.SetString("clientId",
                      GaiaUrls::GetInstance()->oauth2_chrome_client_id());
   }
 
   frame_state_ = FRAME_STATE_LOADING;
   CallJS("loadAuthExtension", params);
 }
 
-void GaiaScreenHandler::UpdateGaia(const GaiaContext& context) {
-  base::DictionaryValue params;
-  UpdateAuthParams(&params, context.has_users,
-                   context.is_enrolling_consumer_management);
-  CallJS("updateAuthExtension", params);
-}
-
 void GaiaScreenHandler::ReloadGaia(bool force_reload) {
   if (frame_state_ == FRAME_STATE_LOADING && !force_reload) {
     VLOG(1) << "Skipping reloading of Gaia since gaia is loading.";
     return;
   }
   NetworkStateInformer::State state = network_state_informer_->state();
   if (state != NetworkStateInformer::ONLINE) {
     VLOG(1) << "Skipping reloading of Gaia since network state="
             << NetworkStateInformer::StatusString(state);
     return;
@@ skipping 565 matching lines @@
 void GaiaScreenHandler::UpdateState(NetworkError::ErrorReason reason) {
   if (signin_screen_handler_)
     signin_screen_handler_->UpdateState(reason);
 }
 
 SigninScreenHandlerDelegate* GaiaScreenHandler::Delegate() {
   return signin_screen_handler_->delegate_;
 }
 
 }  // namespace chromeos