Revert 84320 - Autofill DOMUI Prefs should work with i18n phone numbers

chrome/browser/autofill/phone_number_i18n.h

Index: chrome/browser/autofill/phone_number_i18n.h
===================================================================
--- chrome/browser/autofill/phone_number_i18n.h	(revision 84345)
+++ chrome/browser/autofill/phone_number_i18n.h	(working copy)
@@ -1,21 +0,0 @@
-// Copyright (c) 2011 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_AUTOFILL_PHONE_NUMBER_I18N_H_
-#define CHROME_BROWSER_AUTOFILL_PHONE_NUMBER_I18N_H_
-#pragma once
-
-#include <string>
-
-#include "base/string16.h"
-
-namespace autofill_i18n {
-
-bool PhoneNumbersMatch(const string16& number_a,
-                       const string16& number_b,
-                       const std::string& country_code);
-
-}  // namespace autofill_i18n
-
-#endif  // CHROME_BROWSER_AUTOFILL_PHONE_NUMBER_I18N_H_