chromium/components/prefs/pref_change_registrar.h

// Copyright 2010 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_PREFS_PREF_CHANGE_REGISTRAR_H_
#define COMPONENTS_PREFS_PREF_CHANGE_REGISTRAR_H_

#include <functional>
#include <map>
#include <string>
#include <string_view>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "components/prefs/pref_observer.h"
#include "components/prefs/prefs_export.h"

class PrefService;

// Automatically manages the registration of one or more pref change observers
// with a PrefStore. When the Registrar is destroyed, all registered observers
// are automatically unregistered with the PrefStore.
class COMPONENTS_PREFS_EXPORT PrefChangeRegistrar final : public PrefObserver { … };

#endif  // COMPONENTS_PREFS_PREF_CHANGE_REGISTRAR_H_