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

chrome/browser/autofill/phone_number_i18n.cc

-// 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.
-
-#include "chrome/browser/autofill/phone_number_i18n.h"
-
-#include "base/logging.h"
-#include "base/utf_string_conversions.h"
-#include "third_party/libphonenumber/cpp/src/phonenumberutil.h"
-
-using namespace i18n::phonenumbers;
-
-namespace autofill_i18n {
-
-bool PhoneNumbersMatch(const string16& number_a,
-                       const string16& number_b,
-                       const std::string& country_code) {
-  DCHECK(country_code.size() == 0 || country_code.size() == 2);
-  std::string safe_country_code(country_code);
-  if (safe_country_code.size() == 0)
-    safe_country_code = "US";
-
-  PhoneNumberUtil *phone_util = PhoneNumberUtil::GetInstance();
-  PhoneNumber phone_number_a;
-  phone_util->Parse(UTF16ToUTF8(number_a), safe_country_code, &phone_number_a);
-  PhoneNumber phone_number_b;
-  phone_util->Parse(UTF16ToUTF8(number_b), safe_country_code, &phone_number_b);
-
-  PhoneNumberUtil::MatchType match = phone_util->IsNumberMatch(phone_number_a,
-                                                               phone_number_b);
-  // Allow |NSN_MATCH| for implied country code if one is not set.
-  return match == PhoneNumberUtil::NSN_MATCH ||
-         match == PhoneNumberUtil::EXACT_MATCH;
-}
-
-}  // namespace autofill_i18n