[Autofill] Transfer cards' billing address id when deduping profiles.

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 <list>
 #include <memory>
 #include <set>
 #include <string>
+#include <unordered_map>
 #include <unordered_set>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/credit_card.h"
@@ skipping 259 matching lines @@
   }
 #endif
 
  protected:
   // Only PersonalDataManagerFactory and certain tests can create instances of
   // PersonalDataManager.
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, FirstMiddleLast);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, AutofillIsEnabledAtStartup);
   FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
                            DedupeProfiles_ProfilesToDelete);
+  FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
+                           DedupeProfiles_GuidsMergeMap);
+  FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
+                           UpdateCardsBillingAddressReference);
   FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest, ApplyProfileUseDatesFix);
   FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
                            ApplyProfileUseDatesFix_NotAppliedTwice);
   FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
+                           ApplyDedupingRoutine_CardsBillingAddressIdUpdated);
+  FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
                            ApplyDedupingRoutine_MergedProfileValues);
   FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
                            ApplyDedupingRoutine_VerifiedProfileFirst);
   FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
                            ApplyDedupingRoutine_VerifiedProfileLast);
   FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
                            ApplyDedupingRoutine_MultipleVerifiedProfiles);
   FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
                            ApplyDedupingRoutine_FeatureDisabled);
   FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
@@ skipping 160 matching lines @@
       const base::string16& field_contents,
       const std::vector<CreditCard*>& cards_to_suggest) const;
 
   // Runs the Autofill use date fix routine if it's never been done. Returns
   // whether the routine was run.
   void ApplyProfileUseDatesFix();
 
   // Applies the deduping routine once per major version if the feature is
   // enabled. Calls DedupeProfiles with the content of |web_profiles_| as a
   // parameter. Removes the profiles to delete from the database and updates the
-  // others. Returns true if the routine was run.
+  // others. Also updates the credit cards' billing address references. Returns
+  // true if the routine was run.
   bool ApplyDedupingRoutine();
 
   // Goes through all the |existing_profiles| and merges all similar unverified
   // profiles together. Also discards unverified profiles that are similar to a
   // verified profile. All the profiles except the results of the merges will be
   // added to |profile_guids_to_delete|. This routine should be run once per
-  // major version.
+  // major version. Records all the merges into the |guids_merge_map|.
   //
   // This method should only be called by ApplyDedupingRoutine. It is split for
   // testing purposes.
   void DedupeProfiles(
       std::vector<std::unique_ptr<AutofillProfile>>* existing_profiles,
-      std::unordered_set<AutofillProfile*>* profile_guids_to_delete);
+      std::unordered_set<AutofillProfile*>* profile_guids_to_delete,
+      std::unordered_map<std::string, std::string>* guids_merge_map);
+
+  // Updates the credit cards' billing address reference based on the merges
+  // that happened during the dedupe, as defined in |guids_merge_map|. Also
+  // updates the cards entries in the database.
+  void UpdateCardsBillingAddressReference(
+      const std::unordered_map<std::string, std::string>& guids_merge_map);
 
   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 33 matching lines @@
   // validation rules.
   scoped_refptr<net::URLRequestContextGetter> context_getter_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(PersonalDataManager);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_PERSONAL_DATA_MANAGER_H_