cros: Move IsUserSupervised and IsUserChild off SystemTrayDelegate

ash/session/session_controller.cc

 // Copyright 2016 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/session/session_controller.h"
 
 #include <algorithm>
 
 #include "ash/session/session_observer.h"
 #include "ash/shell.h"
 #include "ash/wm/lock_state_controller.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "chromeos/chromeos_switches.h"
 #include "components/signin/core/account_id/account_id.h"
+#include "components/user_manager/user_type.h"
 #include "services/service_manager/public/cpp/connector.h"
 
 using session_manager::SessionState;
 
 namespace ash {
 
 namespace {
 
 // Get the default session state. Default session state is ACTIVE when the
 // process starts with a user session, i.e. the process has kLoginUser command
@@ skipping 92 matching lines @@
 }
 
 const mojom::UserSession* SessionController::GetUserSession(
     UserIndex index) const {
   if (index < 0 || index >= static_cast<UserIndex>(user_sessions_.size()))
     return nullptr;
 
   return user_sessions_[index].get();
 }
 
+bool SessionController::IsUserSupervised() const {
+  if (!IsActiveUserSessionStarted())
+    return false;
+
+  user_manager::UserType active_user_type = GetUserSession(0)->type;
+  return active_user_type == user_manager::USER_TYPE_SUPERVISED ||
+         active_user_type == user_manager::USER_TYPE_CHILD;
+}
+
+bool SessionController::IsUserChild() const {
+  if (!IsActiveUserSessionStarted())
+    return false;
+
+  user_manager::UserType active_user_type = GetUserSession(0)->type;
+  return active_user_type == user_manager::USER_TYPE_CHILD;
+}
+
 void SessionController::LockScreen() {
   if (client_)
     client_->RequestLockScreen();
 }
 
 void SessionController::SwitchActiveUser(const AccountId& account_id) {
   if (client_)
     client_->SwitchActiveUser(account_id);
 }
 
@@ skipping 190 matching lines @@
   const LoginStatus new_login_status = CalculateLoginStatus();
   if (new_login_status == login_status_)
     return;
 
   login_status_ = new_login_status;
   for (auto& observer : observers_)
     observer.OnLoginStatusChanged(login_status_);
 }
 
 }  // namespace ash