chromium/chrome/browser/downgrade/user_data_downgrade.cc

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/downgrade/user_data_downgrade.h"

#include <string>

#include "base/check.h"
#include "base/files/file_enumerator.h"
#include "base/files/file_util.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/downgrade/snapshot_manager.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"

namespace downgrade {

namespace {

base::Version GetVersionFromFileName(const base::FilePath& path) { … }

bool IsValidSnapshotDirectory(const base::FilePath& path) { … }

}  // namespace

const base::FilePath::StringPieceType kDowngradeLastVersionFile(
    FILE_PATH_LITERAL("Last Version"));
const base::FilePath::StringPieceType kDowngradeDeleteSuffix(
    FILE_PATH_LITERAL(".CHROME_DELETE"));

const base::FilePath::StringPieceType kSnapshotsDir(
    FILE_PATH_LITERAL("Snapshots"));

base::FilePath GetLastVersionFile(const base::FilePath& user_data_dir) { … }

std::optional<base::Version> GetLastVersion(
    const base::FilePath& user_data_dir) { … }

base::FilePath GetDiskCacheDir() { … }

base::flat_set<base::Version> GetAvailableSnapshots(
    const base::FilePath& snapshot_dir) { … }

std::vector<base::FilePath> GetInvalidSnapshots(
    const base::FilePath& snapshot_dir) { … }

std::optional<base::Version> GetSnapshotToRestore(
    const base::Version& version,
    const base::FilePath& user_data_dir) { … }

void RemoveDataForProfile(base::Time delete_begin,
                          const base::FilePath& profile_path,
                          uint64_t remove_mask) { … }

}  // namespace downgrade