[Autofill] Sort profiles and credit cards by frecency in PaymentRequest.

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 <memory>
 #include <set>
 #include <vector>
@@ skipping 159 matching lines @@
   virtual const std::vector<AutofillProfile*>& GetProfiles() const;
   virtual const std::vector<AutofillProfile*>& web_profiles() const;
   // Returns just LOCAL_CARD cards.
   virtual const std::vector<CreditCard*>& GetLocalCreditCards() const;
   // Returns all credit cards, server and local.
   virtual const std::vector<CreditCard*>& GetCreditCards() const;
 
   // Returns true if there is some data synced from Wallet.
   bool HasServerData() const;
 
+  // Returns the profiles to suggest to the user, ordered by frecency.
+  const std::vector<AutofillProfile*> GetProfilesToSuggest() const;
+
   // Loads profiles that can suggest data for |type|. |field_contents| is the
   // part the user has already typed. |field_is_autofilled| is true if the field
   // has already been autofilled. |other_field_types| represents the rest of
   // form.
   std::vector<Suggestion> GetProfileSuggestions(
       const AutofillType& type,
       const base::string16& field_contents,
       bool field_is_autofilled,
       const std::vector<ServerFieldType>& other_field_types);
 
+  // Returns the credit cards to suggest to the users. Those have been deduped
+  // and ordered by frecency with the expired cards at the back.

[Mathieu, 2016/05/20 13:57:09]

nit: back -> end of the list?

[sebsg, 2016/05/24 17:27:32]

Done.

+  const std::vector<CreditCard*> GetCreditCardsToSuggest() const;
+
   // Gets credit cards that can suggest data for |type|. See
   // GetProfileSuggestions for argument descriptions. The variant in each
   // GUID pair should be ignored.
   std::vector<Suggestion> GetCreditCardSuggestions(
       const AutofillType& type,
       const base::string16& field_contents);
 
   // Re-loads profiles and credit cards from the WebDatabase asynchronously.
   // In the general case, this is a no-op and will re-create the same
   // in-memory model as existed prior to the call.  If any change occurred to
@@ skipping 28 matching lines @@
 
   // Returns our best guess for the country a user is likely to use when
   // inputting a new address. The value is calculated once and cached, so it
   // will only update when Chrome is restarted.
   virtual const std::string& GetDefaultCountryCodeForNewAddress() const;
 
   // De-dupe credit card to suggest. Full server cards are prefered over their
   // local duplicates, and local cards are preferred over their masked server
   // card duplicate.
   static void DedupeCreditCardToSuggest(
-      std::list<const CreditCard*>* cards_to_suggest);
+      std::list<CreditCard*>* cards_to_suggest);
 
  protected:
   // Only PersonalDataManagerFactory and certain tests can create instances of
   // PersonalDataManager.
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, FirstMiddleLast);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, AutofillIsEnabledAtStartup);
   friend class autofill::AutofillInteractiveTest;
   friend class autofill::AutofillTest;
   friend class autofill::PersonalDataManagerFactory;
   friend class PersonalDataManagerTest;
@@ skipping 139 matching lines @@
   // |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(
       bool record_metrics) const;
 
   // Returns credit card suggestions based on the |cards_to_suggest| and the
   // |type| and |field_contents| of the credit card field.
   std::vector<Suggestion> GetSuggestionsForCards(
       const AutofillType& type,
       const base::string16& field_contents,
-      const std::list<const CreditCard*>& cards_to_suggest) const;
+      const std::vector<CreditCard*>& cards_to_suggest) 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_;
 
   // The AccountTrackerService that this instance uses. Must outlive this
@@ skipping 19 matching lines @@
 
   // An observer to listen for changes to prefs::kAutofillWalletImportEnabled.
   std::unique_ptr<BooleanPrefMember> wallet_enabled_pref_;
 
   DISALLOW_COPY_AND_ASSIGN(PersonalDataManager);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_PERSONAL_DATA_MANAGER_H_