ChromeOS: user whitelist check should happen before entering password.

chrome/browser/chromeos/login/lock/webui_screen_locker.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/lock/webui_screen_locker.h"
 
 #include "ash/shell.h"
 #include "ash/system/chromeos/power/power_event_observer.h"
 #include "ash/wm/lock_state_controller.h"
 #include "ash/wm/lock_state_observer.h"
@@ skipping 267 matching lines @@
 }
 
 void WebUIScreenLocker::SetDisplayEmail(const std::string& email) {
   NOTREACHED();
 }
 
 void WebUIScreenLocker::Signout() {
   chromeos::ScreenLocker::default_screen_locker()->Signout();
 }
 
+bool WebUIScreenLocker::IsUserWhitelisted(const std::string& user_id) {
+  NOTREACHED();
+  return true;
+}
 ////////////////////////////////////////////////////////////////////////////////
 // LockWindow::Observer:
 
 void WebUIScreenLocker::OnLockWindowReady() {
   VLOG(1) << "Lock window ready; WebUI is " << (webui_ready_ ? "too" : "not");
   lock_ready_ = true;
   if (webui_ready_)
     ScreenLockReady();
 }
 
@@ skipping 109 matching lines @@
   }
 
   if (GetOobeUI()) {
     const gfx::Size& size = primary_display.size();
     GetOobeUI()->GetCoreOobeActor()->SetClientAreaSize(size.width(),
                                                        size.height());
   }
 }
 
 }  // namespace chromeos