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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_PREFS_PREF_SERVICE_SYNCABLE_UTIL_H_
#define CHROME_BROWSER_PREFS_PREF_SERVICE_SYNCABLE_UTIL_H_
#include <memory>
#include "components/prefs/pref_value_store.h"
class PrefStore;
class Profile;
namespace sync_preferences {
class PrefServiceSyncable;
}
// sync_preferences::PrefServiceSyncable is a PrefService with added integration
// for sync, and knowledge of how to create an incognito PrefService. For code
// that does not need to know about the sync integration, you should use only
// the plain PrefService type.
//
// For this reason, Profile does not expose an accessor for the
// sync_preferences::PrefServiceSyncable type. Instead, you can use the
// utilities below to retrieve the sync_preferences::PrefServiceSyncable from a
// Profile.
sync_preferences::PrefServiceSyncable* PrefServiceSyncableFromProfile(
Profile* profile);
// Creates an incognito copy of |pref_service| that shares most prefs but uses
// a fresh non-persistent overlay for the user pref store and an individual
// extension pref store (to cache the effective extension prefs for incognito
// windows).
std::unique_ptr<sync_preferences::PrefServiceSyncable>
CreateIncognitoPrefServiceSyncable(
sync_preferences::PrefServiceSyncable* pref_service,
PrefStore* incognito_extension_pref_store);
// Similar to CreateIncognitoPrefServiceSyncable, but doesn't allow any prefs
// to be synced between |pref_service| and the returned service.
// Intended for OTR profiles and browser contexts created by browser automation.
std::unique_ptr<sync_preferences::PrefServiceSyncable>
CreateAutomationPrefService(sync_preferences::PrefServiceSyncable* pref_service,
PrefStore* incognito_extension_pref_store);
#endif // CHROME_BROWSER_PREFS_PREF_SERVICE_SYNCABLE_UTIL_H_
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