[Autofill] Add credit card first and last name heuristics predictions.

components/autofill/core/browser/autofill_regex_constants.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.
 
 // 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 106 matching lines @@
     "|estado|provincia"  // pt-BR, pt-PT
     "|область"  // ru
     "|省"  // zh-CN
     "|地區"  // zh-TW
     "|^시[·・]?도";  // ko-KR
 
 /////////////////////////////////////////////////////////////////////////////
 // credit_card_field.cc
 /////////////////////////////////////////////////////////////////////////////
 const char kNameOnCardRe[] =
-    "card.?(?:holder|owner)|name.*\\bon\\b.*card"
+    "card.?(?:holder|owner)|name.*\\bon\\b.*card|nameoncard"

[Mathieu, 2016/02/24 21:58:26]

modify the second token to name.*(\\b)?on(\\b)?.*?card instead. 

Tested on http://www.regexpal.com/ (you'll need to remove one of the two \ in
\\b if you test with that site). 

[sebsg, 2016/03/01 16:32:53]

Nice, I think I need to learn more about regexes!

     "|(?:card|cc).?name|cc.?full.?name"
-    "|karteninhaber"  // de-DE
-    "|nombre.*tarjeta"  // es
-    "|nom.*carte"  // fr-FR
-    "|nome.*cart"  // it-IT
-    "|名前"  // ja-JP
-    "|Имя.*карты"  // ru
+    "|karteninhaber"                   // de-DE
+    "|nombre.*tarjeta"                 // es
+    "|nom.*carte"                      // fr-FR
+    "|nome.*cart"                      // it-IT
+    "|名前"                            // ja-JP
+    "|Имя.*карты"                      // ru
     "|信用卡开户名|开户名|持卡人姓名"  // zh-CN
-    "|持卡人姓名";  // zh-TW
+    "|持卡人姓名";                     // zh-TW
 const char kNameOnCardContextualRe[] =
     "name";
 const char kCardNumberRe[] =
     "(?:card|cc|acct).?(?:number|#|no|num)"
     "|nummer"  // de-DE
     "|credito|numero|número"  // es
     "|numéro"  // fr-FR
     "|カード番号"  // ja-JP
     "|Номер.*карты"  // ru
     "|信用卡号|信用卡号码"  // zh-CN
@@ skipping 144 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