ChromeOS: user whitelist check should happen before entering password.

chrome/browser/chromeos/login/ui/webui_login_display.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/chromeos/login/ui/webui_login_display.h"
 
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "chrome/browser/chromeos/login/screens/chrome_user_selection_screen.h"
 #include "chrome/browser/chromeos/login/signin_screen_controller.h"
@@ skipping 322 matching lines @@
 
 void WebUILoginDisplay::Signout() {
   delegate_->Signout();
 }
 
 void WebUILoginDisplay::OnUserActivity(const ui::Event* event) {
   if (delegate_)
     delegate_->ResetPublicSessionAutoLoginTimer();
 }
 
+bool WebUILoginDisplay::IsUserWhitelisted(const std::string& user_id) {
+  DCHECK(delegate_);
+  if (delegate_)
+    return delegate_->IsUserWhitelisted(user_id);
+  return true;
+}
 
 }  // namespace chromeos