[Payments] In shipping address editor, enable required + phone validation.

components/autofill/core/browser/validation.cc

 // Copyright 2013 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 "components/autofill/core/browser/validation.h"
 
 #include <stddef.h>
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "components/autofill/core/browser/autofill_data_util.h"
 #include "components/autofill/core/browser/credit_card.h"
+#include "components/autofill/core/browser/phone_number_i18n.h"
 #include "components/autofill/core/browser/state_names.h"
 #include "components/autofill/core/common/autofill_clock.h"
 #include "components/autofill/core/common/autofill_regexes.h"
 #include "components/strings/grit/components_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace autofill {
 
 bool IsValidCreditCardExpirationDate(int year,
                                      int month,
@@ skipping 103 matching lines @@
       "^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@"
       "[a-zA-Z0-9-]+(?:\\.[a-zA-Z0-9-]+)*$");
   return MatchesPattern(text, kEmailPattern);
 }
 
 bool IsValidState(const base::string16& text) {
   return !state_names::GetAbbreviationForName(text).empty() ||
          !state_names::GetNameForAbbreviation(text).empty();
 }
 
+bool IsValidPhoneNumber(const base::string16& text,
+                        const std::string& country_code) {
+  i18n::PhoneObject phone_number(text, country_code);
+  return phone_number.IsValidNumber();
+}
+
 bool IsValidZip(const base::string16& text) {
   const base::string16 kZipPattern = base::ASCIIToUTF16("^\\d{5}(-\\d{4})?$");
   return MatchesPattern(text, kZipPattern);
 }
 
 bool IsSSN(const base::string16& text) {
   base::string16 number_string;
   base::RemoveChars(text, base::ASCIIToUTF16("- "), &number_string);
 
   // A SSN is of the form AAA-GG-SSSS (A = area number, G = group number, S =
@@ skipping 152 matching lines @@
     default:
       // Other types such as CREDIT_CARD_TYPE and CREDIT_CARD_VERIFICATION_CODE
       // are not validated for now.
       NOTREACHED() << "Attempting to validate unsupported type " << type;
       break;
   }
   return false;
 }
 
 }  // namespace autofill