1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_ 6#define CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_ 7 8#include <set> 9#include <string> 10 11#include "base/callback_forward.h" 12#include "base/memory/scoped_ptr.h" 13#include "chrome/browser/prefs/pref_hash_store.h" 14 15class HashStoreContents; 16class InterceptablePrefFilter; 17class PrefHashStore; 18 19// Sets up InterceptablePrefFilter::FilterOnLoadInterceptors on 20// |unprotected_pref_filter| and |protected_pref_filter| which prevents each 21// filter from running their on load operations until the interceptors decide to 22// hand the prefs back to them (after migration is complete). | 23// (un)protected_store_cleaner| and 24// |register_on_successful_(un)protected_store_write_callback| are used to do 25// post-migration cleanup tasks. Those should be bound to weak pointers to avoid 26// blocking shutdown. |(un)protected_pref_hash_store| and 27// |legacy_pref_hash_store| are used to migrate MACs along with their protected 28// preferences and/or from the legacy location in Local State. Migrated MACs 29// will only be cleared from their old location in a subsequent run. The 30// migration framework is resilient to a failed cleanup (it will simply try 31// again in the next Chrome run). 32void SetupTrackedPreferencesMigration( 33 const std::set<std::string>& unprotected_pref_names, 34 const std::set<std::string>& protected_pref_names, 35 const base::Callback<void(const std::string& key)>& 36 unprotected_store_cleaner, 37 const base::Callback<void(const std::string& key)>& protected_store_cleaner, 38 const base::Callback<void(const base::Closure&)>& 39 register_on_successful_unprotected_store_write_callback, 40 const base::Callback<void(const base::Closure&)>& 41 register_on_successful_protected_store_write_callback, 42 scoped_ptr<PrefHashStore> unprotected_pref_hash_store, 43 scoped_ptr<PrefHashStore> protected_pref_hash_store, 44 scoped_ptr<HashStoreContents> legacy_pref_hash_store, 45 InterceptablePrefFilter* unprotected_pref_filter, 46 InterceptablePrefFilter* protected_pref_filter); 47 48#endif // CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_ 49