ChromeOS login webui refactoring: split user selection/gaia login screens.

chrome/browser/chromeos/login/users/user_manager_impl.cc

 // Copyright 2014 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/chromeos/login/users/user_manager_impl.h"
 
 #include <cstddef>
 #include <set>
 
 #include "ash/multi_profile_uma.h"
@@ skipping 1006 matching lines @@
                                             scoped_ptr<std::string> data) {
   if (policy == policy::key::kUserAvatarImage)
     GetUserImageManager(user_id)->OnExternalDataFetched(policy, data.Pass());
   else if (policy == policy::key::kWallpaperImage)
     WallpaperManager::Get()->OnPolicyFetched(policy, user_id, data.Pass());
   else
     NOTREACHED();
 }
 
 void UserManagerImpl::OnPolicyUpdated(const std::string& user_id) {
+  const User* user = FindUserInList(user_id);
+  if (!user || user->GetType() != User::USER_TYPE_PUBLIC_ACCOUNT)
+    return;
   UpdatePublicAccountDisplayName(user_id);
   NotifyUserListChanged();
 }
 
 void UserManagerImpl::OnDeviceLocalAccountsChanged() {
   // No action needed here, changes to the list of device-local accounts get
   // handled via the kAccountsPrefDeviceLocalAccounts device setting observer.
 }
 
 bool UserManagerImpl::IsCurrentUserOwner() const {
@@ skipping 1067 matching lines @@
 }
 
 void UserManagerImpl::DeleteUser(User* user) {
   const bool is_active_user = (user == active_user_);
   delete user;
   if (is_active_user)
     active_user_ = NULL;
 }
 
 }  // namespace chromeos