[Autofill] Don't validate China UnionPay cards with the Luhn checksum.

components/autofill/core/browser/validation_unittest.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 "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "components/autofill/core/browser/validation.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace autofill {
@@ skipping 21 matching lines @@
   "6011 0009 9013 9424",
   "3530-1113-3330-0000",
   "3566002020360505",
   "5555 5555 5555 4444",
   "5105-1051-0510-5100",
   "4111111111111111",
   "4012 8888 8888 1881",
   "4222-2222-2222-2",
   "5019717010103742",
   "6331101999990016",
+
+  // A UnionPay card that doesn't pass the Luhn checksum
+  "6200000000000000",
 };
 const char* const kInvalidNumbers[] = {
   "4111 1111 112", /* too short */
   "41111111111111111115", /* too long */
   "4111-1111-1111-1110", /* wrong Luhn checksum */
   "3056 9309 0259 04aa", /* non-digit characters */
 };
 const char kCurrentDate[]="1 May 2013";
 const ExpirationDate kValidCreditCardExpirationDate[] = {
   { "2013", "5" },  // Valid month in current year.
@@ skipping 135 matching lines @@
       ASCIIToUTF16(kVisaCVC), ASCIIToUTF16(kAmericanExpressCard)));
   EXPECT_FALSE(autofill::IsValidCreditCardSecurityCode(
       ASCIIToUTF16(kAmericanExpressCVC), ASCIIToUTF16(kVisaCard)));
   EXPECT_TRUE(autofill::IsValidCreditCardSecurityCode(
       ASCIIToUTF16(kVisaCVC), ASCIIToUTF16(kInvalidNumbers[0])));
   EXPECT_FALSE(autofill::IsValidCreditCardSecurityCode(
       ASCIIToUTF16(kAmericanExpressCVC), ASCIIToUTF16(kInvalidNumbers[0])));
 }
 
 }  // namespace autofill