Adding infrastructure for possibility of changing manager names for the supervised accounts.

ash/system/tray/default_system_tray_delegate.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 "ash/system/tray/default_system_tray_delegate.h"
 
 #include <string>
 
 #include "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
@@ skipping 54 matching lines @@
 const std::string DefaultSystemTrayDelegate::GetEnterpriseDomain() const {
   return std::string();
 }
 
 const base::string16 DefaultSystemTrayDelegate::GetEnterpriseMessage() const {
   return base::string16();
 }
 
 const std::string
 DefaultSystemTrayDelegate::GetSupervisedUserManager() const {
-  return std::string();
+  if (!IsUserSupervised())
+    return std::string();
+  return "manager@chrome.com";
 }
 
 const base::string16
 DefaultSystemTrayDelegate::GetSupervisedUserManagerName()
     const {
   return base::string16();
 }
 
 const base::string16 DefaultSystemTrayDelegate::GetSupervisedUserMessage()
     const {
   return base::string16();
 }
 
 bool DefaultSystemTrayDelegate::IsUserSupervised() const {
-  return false;
+  return GetUserLoginStatus() == ash::user::LOGGED_IN_SUPERVISED;
 }
 
 void DefaultSystemTrayDelegate::GetSystemUpdateInfo(UpdateInfo* info) const {
   DCHECK(info);
   info->severity = UpdateInfo::UPDATE_NORMAL;
   info->update_required = true;
   info->factory_reset_required = false;
 }
 
 base::HourClockType DefaultSystemTrayDelegate::GetHourClockType() const {
@@ skipping 183 matching lines @@
 
 bool DefaultSystemTrayDelegate::IsSearchKeyMappedToCapsLock() {
   return false;
 }
 
 tray::UserAccountsDelegate* DefaultSystemTrayDelegate::GetUserAccountsDelegate(
     const std::string& user_id) {
   return NULL;
 }
 
+void DefaultSystemTrayDelegate::AddCustodianInfoTrayObserver(
+    CustodianInfoTrayObserver* observer) {
+}
+
+void DefaultSystemTrayDelegate::RemoveCustodianInfoTrayObserver(
+    CustodianInfoTrayObserver* observer) {
+}
+
 }  // namespace ash