Recording in UMA when a user interacted with an address form or a credit card form.

components/autofill/core/browser/personal_data_manager.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_PERSONAL_DATA_MANAGER_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_PERSONAL_DATA_MANAGER_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 322 matching lines @@
   // Finds the country code that occurs most frequently among all profiles.
   // Prefers verified profiles over unverified ones.
   std::string MostCommonCountryCodeFromProfiles() const;
 
   // Called when the value of prefs::kAutofillEnabled changes.
   void EnabledPrefChanged();
 
   // Functionally equivalent to GetProfiles(), but also records metrics if
   // |record_metrics| is true. Metrics should be recorded when the returned
   // profiles will be used to populate the fields shown in an Autofill popup.
-  const std::vector<AutofillProfile*>& GetProfiles(
+  virtual const std::vector<AutofillProfile*>& GetProfiles(
       bool record_metrics) const;
 
   const std::string app_locale_;
 
   // The default country code for new addresses.
   mutable std::string default_country_code_;
 
   // The PrefService that this instance uses. Must outlive this instance.
   PrefService* pref_service_;
 
   // Whether the user is currently operating in an off-the-record context.
   // Default value is false.
   bool is_off_the_record_;
 
   // Whether we have already logged the number of profiles this session.
   mutable bool has_logged_profile_count_;
 
   // An observer to listen for changes to prefs::kAutofillEnabled.
   scoped_ptr<BooleanPrefMember> enabled_pref_;
 
   DISALLOW_COPY_AND_ASSIGN(PersonalDataManager);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_PERSONAL_DATA_MANAGER_H_