Remove some more bad ASCII-centric autofill code.

components/autofill/core/browser/credit_card.h

 // 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.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_CREDIT_CARD_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_CREDIT_CARD_H_
 
 #include <iosfwd>
 #include <string>
 #include <utility>
@@ skipping 154 matching lines @@
   // Returns true if all field types have valid values set and the card is not
   // expired. MASKED_SERVER_CARDs will never be valid because the number is
   // not complete.
   bool IsValid() const;
 
   // Returns the credit card number.
   const base::string16& number() const { return number_; }
   // Sets |number_| to |number| and computes the appropriate card |type_|.
   void SetNumber(const base::string16& number);
 
+  static bool ConvertMonth(const base::string16& month,

[Lei Zhang, 2015/04/11 02:44:17]

The behavior is a bit quirky. Document? Esp. handling of empty |month| and
values like "10".

[Evan Stade, 2015/04/13 18:13:43]

Done.

+                           const std::string& app_locale,
+                           int* num);
+
  private:
   // FormGroup:
   void GetSupportedTypes(ServerFieldTypeSet* supported_types) const override;
 
   // The type of the card to fill in to the page, e.g. 'Mastercard'.
   base::string16 TypeForFill() const;
 
   // The month and year are zero if not present.
   int Expiration4DigitYear() const { return expiration_year_; }
   int Expiration2DigitYear() const { return expiration_year_ % 100; }
@@ skipping 43 matching lines @@
 extern const char* const kDiscoverCard;
 extern const char* const kGenericCard;
 extern const char* const kJCBCard;
 extern const char* const kMasterCard;
 extern const char* const kUnionPay;
 extern const char* const kVisaCard;
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_CREDIT_CARD_H_