chromium/components/prefs/pref_registry.h

// Copyright 2012 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_REGISTRY_H_
#define COMPONENTS_PREFS_PREF_REGISTRY_H_

#include <stdint.h>

#include <string>
#include <string_view>
#include <unordered_map>

#include "base/memory/ref_counted.h"
#include "components/prefs/pref_value_map.h"
#include "components/prefs/prefs_export.h"
#include "components/prefs/transparent_unordered_string_map.h"

namespace base {
class Value;
}

class DefaultPrefStore;
class PrefStore;

// Preferences need to be registered with a type and default value
// before they are used.
//
// The way you use a PrefRegistry is that you register all required
// preferences on it (via one of its subclasses), then pass it as a
// construction parameter to PrefService.
//
// Currently, registrations after constructing the PrefService will
// also work, but this is being deprecated.
class COMPONENTS_PREFS_EXPORT PrefRegistry
    : public base::RefCounted<PrefRegistry> { … };

#endif  // COMPONENTS_PREFS_PREF_REGISTRY_H_