ash: Add checks for supervised users.

ash/test/test_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/test/test_system_tray_delegate.h"
 
 #include <string>
 
 #include "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
+#include "ash/system/user/login_status.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 
 namespace ash {
 namespace test {
 
 namespace {
 
 user::LoginStatus g_initial_status = user::LOGGED_IN_USER;
 
@@ skipping 41 matching lines @@
   SessionStateDelegate* delegate =
       Shell::GetInstance()->session_state_delegate();
 
   if (!delegate->IsActiveUserSessionStarted())
     return ash::user::LOGGED_IN_NONE;
   if (delegate->IsScreenLocked())
     return user::LOGGED_IN_LOCKED;
   return login_status_;
 }
 
+bool TestSystemTrayDelegate::IsUserSupervised() const {
+  return login_status_ == ash::user::LOGGED_IN_SUPERVISED;
+}
+
 bool TestSystemTrayDelegate::ShouldShowDisplayNotification() {
   return should_show_display_notification_;
 }
 
 bool TestSystemTrayDelegate::GetSessionStartTime(
     base::TimeTicks* session_start_time) {
   // Just returns TimeTicks::Now(), so the remaining time is always the
   // specified limit. This is useful for testing.
   if (session_length_limit_set_)
     *session_start_time = base::TimeTicks::Now();
@@ skipping 10 matching lines @@
 void TestSystemTrayDelegate::ShutDown() {
   base::MessageLoop::current()->Quit();
 }
 
 void TestSystemTrayDelegate::SignOut() {
   base::MessageLoop::current()->Quit();
 }
 
 }  // namespace test
 }  // namespace ash