[Autofill] Autofill fails to fill credit card number when split across fields.

components/autofill/core/browser/autofill_regex_constants.cc.utf8

 // 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.
 
 // This file contains UTF8 strings that we want as char arrays.  To avoid
 // different compilers, we use a script to convert the UTF8 strings into
 // numeric literals (\x##).
 
 #include "components/autofill/core/browser/autofill_regex_constants.h"
 
@@ skipping 176 matching lines @@
     "|fecha"  // es
     "|date.*exp"  // fr-FR
     "|scadenza"  // it-IT
     "|有効期限"  // ja-JP
     "|validade"  // pt-BR, pt-PT
     "|Срок действия карты";  // ru
 const char kCardIgnoredRe[] =
     "^card";
 const char kGiftCardRe[] =
     "gift.?card";
+const char kCardNumberPart1Re[] =
+    "card.?number.?1|card.?1|card.?no.?1|cc.?num.?1|cc.?q.?1|acct.?num.?1|quad.?1|q.?1|part.?1";
+const char kCardNumberPart2Re[] =
+    "card.?number.?2|card.?2|card.?no.?2|cc.?num.?2|cc.?q.?2|acct.?num.?2|quad.?2|q.?2|part.?2";
+const char kCardNumberPart3Re[] =
+    "card.?number.?3|card.?3|card.?no.?3|cc.?num.?3|cc.?q.?3|acct.?num.?3|quad.?3|q.?3|part.?3";
+const char kCardNumberPart4Re[] =
+    "card.?number.?4|card.?4|card.?no.?4|cc.?num.?4|cc.?q.?4|acct.?num.?4|quad.?4|q.?4|part.?4";
 
 
 /////////////////////////////////////////////////////////////////////////////
 // email_field.cc
 /////////////////////////////////////////////////////////////////////////////
 const char kEmailRe[] =
     "e.?mail"
     "|courriel"  // fr
     "|メールアドレス"  // ja-JP
     "|Электронной.?Почты"  // ru
@@ skipping 75 matching lines @@
     "prefix|exchange"
     "|preselection"  // fr-FR
     "|ddd";  // pt-BR, pt-PT
 const char kPhoneSuffixRe[] =
     "suffix";
 const char kPhoneExtensionRe[] =
     "\\bext|ext\\b|extension"
     "|ramal";  // pt-BR, pt-PT
 
 }  // namespace autofill