storage/browser/quota/quota_features.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef STORAGE_BROWSER_QUOTA_QUOTA_FEATURES_H_
#define STORAGE_BROWSER_QUOTA_QUOTA_FEATURES_H_

#include "base/component_export.h"
#include "base/feature_list.h"
#include "base/metrics/field_trial_params.h"

namespace storage {

namespace features {

COMPONENT_EXPORT(STORAGE_BROWSER)
BASE_DECLARE_FEATURE(kDisableQuotaDbFullFSync);

COMPONENT_EXPORT(STORAGE_BROWSER)
BASE_DECLARE_FEATURE(kNewQuotaEvictionRoutine);

COMPONENT_EXPORT(STORAGE_BROWSER) BASE_DECLARE_FEATURE(kStoragePressureEvent);

COMPONENT_EXPORT(STORAGE_BROWSER) BASE_DECLARE_FEATURE(kStorageQuotaSettings);
extern const base::FeatureParam<double> kMustRemainAvailableBytes;
extern const base::FeatureParam<double> kMustRemainAvailableRatio;
extern const base::FeatureParam<double> kPoolSizeBytes;
extern const base::FeatureParam<double> kPoolSizeRatio;
extern const base::FeatureParam<double> kShouldRemainAvailableBytes;
extern const base::FeatureParam<double> kShouldRemainAvailableRatio;

// Clears quota storage for opaque origins used in prior browsing sessions as
// they will no longer be reachable. See crbug.com/40281870 for more info.
// If kEvictStaleQuotaStorage is off this has no impact.
COMPONENT_EXPORT(STORAGE_BROWSER)
BASE_DECLARE_FEATURE(kEvictOrphanQuotaStorage);

// Clears quota storage last accessed/modified more than 400 days ago.
// See crbug.com/40281870 for more info.
COMPONENT_EXPORT(STORAGE_BROWSER)
BASE_DECLARE_FEATURE(kEvictStaleQuotaStorage);

}  // namespace features

}  // namespace storage

#endif  // STORAGE_BROWSER_QUOTA_QUOTA_FEATURES_H_