[cros] Move User class to user_manager component.

chrome/browser/chromeos/login/ui/login_display_host_impl.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/login_display_host_impl.h"
 
 #include <vector>
 
 #include "ash/audio/sounds.h"
 #include "ash/desktop_background/desktop_background_controller.h"
@@ skipping 604 matching lines @@
 
   if (!login_window_) {
     TRACE_EVENT_ASYNC_BEGIN0("ui", "ShowLoginWebUI", kShowLoginWebUIid);
     TRACE_EVENT_ASYNC_STEP_INTO0(
         "ui", "ShowLoginWebUI", kShowLoginWebUIid, "StartSignInScreen");
     BootTimesLoader::Get()->RecordCurrentStats("login-start-signin-screen");
     LoadURL(GURL(kLoginURL));
   }
 
   DVLOG(1) << "Starting sign in screen";
-  const chromeos::UserList& users = chromeos::UserManager::Get()->GetUsers();
+  const user_manager::UserList& users =
+      chromeos::UserManager::Get()->GetUsers();
 
   // Fix for users who updated device and thus never passed register screen.
   // If we already have users, we assume that it is not a second part of
   // OOBE. See http://crosbug.com/6289
   if (!StartupUtils::IsDeviceRegistered() && !users.empty()) {
     VLOG(1) << "Mark device registered because there are remembered users: "
             << users.size();
     StartupUtils::MarkDeviceRegistered(base::Closure());
   }
 
@@ skipping 637 matching lines @@
   scoped_ptr<locale_util::SwitchLanguageCallback> callback(
       new locale_util::SwitchLanguageCallback(
           base::Bind(&OnLanguageSwitchedCallback, base::Passed(data.Pass()))));
 
   // Load locale keyboards here. Hardware layout would be automatically enabled.
   locale_util::SwitchLanguage(
       locale, true, true /* login_layouts_only */, callback.Pass());
 }
 
 }  // namespace chromeos