Adds obscuring to credit card numbers when displayed....

chrome/browser/autofill/credit_card.h

 // Copyright (c) 2010 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 CHROME_BROWSER_AUTOFILL_CREDIT_CARD_H_
 #define CHROME_BROWSER_AUTOFILL_CREDIT_CARD_H_
 
 #include <vector>
 
 #include "base/string16.h"
@@ skipping 12 matching lines @@
   virtual void GetPossibleFieldTypes(const string16& text,
                                      FieldTypeSet* possible_types) const;
   virtual void FindInfoMatches(const AutoFillType& type,
                                const string16& info,
                                std::vector<string16>* matched_text) const;
   virtual string16 GetFieldText(const AutoFillType& type) const;
   virtual string16 GetPreviewText(const AutoFillType& type) const;
   virtual void SetInfo(const AutoFillType& type, const string16& value);
   const string16& Label() const { return label_; }
 
+  // The number altered for display, for example: ******1234
+  string16 ObfuscatedNumber() const;
   // Credit card preview summary, for example: ******1234, Exp: 01/2020
   string16 PreviewSummary() const;
 
   const string16& billing_address() const { return billing_address_; }
   const string16& shipping_address() const { return shipping_address_; }
   int unique_id() const { return unique_id_; }
 
   // The caller should verify that the corresponding AutoFillProfile exists.  If
   // the shipping address should be the same as the billing address, send in an
   // empty string to set_shipping_address.
@@ skipping 112 matching lines @@
   string16 shipping_address_;
 
   // The unique ID of this profile.
   int unique_id_;
 };
 
 // So we can compare CreditCards with EXPECT_EQ().
 std::ostream& operator<<(std::ostream& os, const CreditCard& creditcard);
 
 #endif  // CHROME_BROWSER_AUTOFILL_CREDIT_CARD_H_