Revert of This CL replaces user_manager::UserID with AccountId.

chrome/browser/supervised_user/supervised_user_service.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/supervised_user/supervised_user_service.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/memory/ref_counted.h"
@@ skipping 833 matching lines @@
 
   FOR_EACH_OBSERVER(
       SupervisedUserServiceObserver, observer_list_, OnURLFilterChanged());
 }
 
 std::string SupervisedUserService::GetSupervisedUserName() const {
 #if defined(OS_CHROMEOS)
   // The active user can be NULL in unit tests.
   if (user_manager::UserManager::Get()->GetActiveUser()) {
     return UTF16ToUTF8(user_manager::UserManager::Get()->GetUserDisplayName(
-        user_manager::UserManager::Get()->GetActiveUser()->GetAccountId()));
+        user_manager::UserManager::Get()->GetActiveUser()->GetUserID()));
   }
   return std::string();
 #else
   return profile_->GetPrefs()->GetString(prefs::kProfileName);
 #endif
 }
 
 void SupervisedUserService::OnHistoryRecordingStateChanged() {
   bool record_history =
       profile_->GetPrefs()->GetBoolean(prefs::kRecordHistory);
@@ skipping 130 matching lines @@
 
   is_profile_active_ = profile_became_active;
 }
 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 
 void SupervisedUserService::OnSiteListUpdated() {
   FOR_EACH_OBSERVER(
       SupervisedUserServiceObserver, observer_list_, OnURLFilterChanged());
 }