Cleanup: IWYU for base/gtest_prod_util.h.

chrome/browser/ui/webui/options/autofill_options_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_AUTOFILL_OPTIONS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_AUTOFILL_OPTIONS_HANDLER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
+#include "base/gtest_prod_util.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 #include "components/autofill/core/browser/personal_data_manager_observer.h"
 #include "components/sync_driver/sync_service_observer.h"
 
 namespace autofill {
 class AutofillProfile;
 class PersonalDataManager;
 }  // namespace autofill
 
@@ skipping 90 matching lines @@
 
   ScopedObserver<ProfileSyncService, sync_driver::SyncServiceObserver>
       observer_;
 
   DISALLOW_COPY_AND_ASSIGN(AutofillOptionsHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_AUTOFILL_OPTIONS_HANDLER_H_