Clean up unused grit header includes in chrome/

chrome/browser/chromeos/login/users/chrome_user_manager_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/users/chrome_user_manager_impl.h"
 
 #include <stddef.h>
 
 #include <cstddef>
 #include <set>
@@ skipping 69 matching lines @@
 #include "components/user_manager/known_user.h"
 #include "components/user_manager/remove_user_delegate.h"
 #include "components/user_manager/user.h"
 #include "components/user_manager/user_image/user_image.h"
 #include "components/user_manager/user_names.h"
 #include "components/user_manager/user_type.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
-#include "ui/chromeos/resources/grit/ui_chromeos_resources.h"
-#include "ui/chromeos/strings/grit/ui_chromeos_strings.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/wm/core/wm_core_switches.h"
 
 using content::BrowserThread;
 
 namespace chromeos {
 namespace {
 
 // A vector pref of the the regular users known on this device, arranged in LRU
 // order.
@@ skipping 1282 matching lines @@
       break;
     default:
       NOTREACHED();
       break;
   }
 
   return user;
 }
 
 }  // namespace chromeos