[Autofill] Credit Card Autofill Last Used Date Experiment

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 156 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);
 
-  // Logs the number of days since the credit card was last used and records its
-  // use.
+  // Returns the date when the credit card was last used in autofill, show
+  // expiration date if |show_expiration_date| is true, and show time detail
+  // if |show_time_detail| is true.
+  base::string16 GetLastUsedDateForDisplay(bool show_expiration_date,
+                                           bool show_time_detail) const;
+
+  // Logs the number of days since the credit card was last used and records
+  // its use.
   void RecordAndLogUse();
 
   // Converts a string representation of a month (such as "February" or "feb."
   // or "2") into a numeric value in [1, 12]. Returns true on successful
   // conversion or false if a month was not recognized.
   static bool ConvertMonth(const base::string16& month,
                            const std::string& app_locale,
                            int* num);
 
+  base::string16 GetShortMonthLabel(int32_t zero_base_month_index,
+                                    const std::string& app_locale) const;
+
   // Returns whether the credit card is expired based on |current_time|.
   bool IsExpired(const base::Time& current_time) const;
 
   // Whether the card expiration date should be updated.
   bool ShouldUpdateExpiration(const base::Time& current_time) const;
 
   const std::string& billing_address_id() const { return billing_address_id_; }
   void set_billing_address_id(const std::string& id) {
     billing_address_id_ = id;
   }
@@ skipping 68 matching lines @@
 extern const char kGenericCard[];
 extern const char kJCBCard[];
 extern const char kMasterCard[];
 extern const char kMirCard[];
 extern const char kUnionPay[];
 extern const char kVisaCard[];
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_CREDIT_CARD_H_