ChromeOS: user whitelist check should happen before entering password.

chrome/browser/chromeos/login/existing_user_controller.cc

 // Copyright (c) 2012 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/existing_user_controller.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 434 matching lines @@
 }
 
 void ExistingUserController::ShowWrongHWIDScreen() {
   host_->StartWizard(WizardController::kWrongHWIDScreenName);
 }
 
 void ExistingUserController::Signout() {
   NOTREACHED();
 }
 
+bool ExistingUserController::IsUserWhitelisted(const std::string& user_id) {
+  bool wildcard_match = false;
+  if (login_performer_.get())
+    return login_performer_->IsUserWhitelisted(user_id, &wildcard_match);
+
+  return chromeos::CrosSettings::IsWhitelisted(user_id, &wildcard_match);
+}
+
 void ExistingUserController::OnConsumerKioskAutoLaunchCheckCompleted(
     KioskAppManager::ConsumerKioskAutoLaunchStatus status) {
   if (status == KioskAppManager::CONSUMER_KIOSK_AUTO_LAUNCH_CONFIGURABLE)
     ShowKioskEnableScreen();
 }
 
 void ExistingUserController::OnEnrollmentOwnershipCheckCompleted(
     DeviceSettingsService::OwnershipStatus status) {
   if (status == DeviceSettingsService::OWNERSHIP_NONE) {
     ShowEnrollmentScreen();
@@ skipping 783 matching lines @@
   if (!success) {
     LOG(ERROR) << "OAuth2 token fetch failed.";
     OnAuthFailure(AuthFailure(AuthFailure::FAILED_TO_INITIALIZE_TOKEN));
     return;
   }
   UserSessionManager::GetInstance()->OnOAuth2TokensFetched(user_context);
   PerformLogin(user_context, LoginPerformer::AUTH_MODE_EXTENSION);
 }
 
 }  // namespace chromeos