[Autofill] Suggest expired credit cards last.

components/autofill/core/browser/credit_card.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/credit_card.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 629 matching lines @@
          expiration_month_ != 0 &&
          expiration_year_ != 0;
 }
 
 bool CreditCard::IsValid() const {
   return IsValidCreditCardNumber(number_) &&
          IsValidCreditCardExpirationDate(
              expiration_year_, expiration_month_, base::Time::Now());
 }
 
+bool CreditCard::IsExpired(base::Time::Exploded time) const {
+  // Credit cards with no saved expiration are never considered expired.
+  if (expiration_month_ == 0 && expiration_year_ == 0)
+    return false;
+
+  // Credit cards expire at the end of the specified month.
+  return expiration_year_ < time.year ||
+         (expiration_year_ == time.year && expiration_month_ < time.month);
+}
+
 void CreditCard::GetSupportedTypes(ServerFieldTypeSet* supported_types) const {
   supported_types->insert(CREDIT_CARD_NAME_FULL);
   supported_types->insert(CREDIT_CARD_NAME_FIRST);
   supported_types->insert(CREDIT_CARD_NAME_LAST);
   supported_types->insert(CREDIT_CARD_NUMBER);
   supported_types->insert(CREDIT_CARD_TYPE);
   supported_types->insert(CREDIT_CARD_EXP_MONTH);
   supported_types->insert(CREDIT_CARD_EXP_2_DIGIT_YEAR);
   supported_types->insert(CREDIT_CARD_EXP_4_DIGIT_YEAR);
   supported_types->insert(CREDIT_CARD_EXP_DATE_2_DIGIT_YEAR);
@@ skipping 138 matching lines @@
 const char kAmericanExpressCard[] = "americanExpressCC";
 const char kDinersCard[] = "dinersCC";
 const char kDiscoverCard[] = "discoverCC";
 const char kGenericCard[] = "genericCC";
 const char kJCBCard[] = "jcbCC";
 const char kMasterCard[] = "masterCardCC";
 const char kUnionPay[] = "unionPayCC";
 const char kVisaCard[] = "visaCC";
 
 }  // namespace autofill