chromium/components/metrics/environment_recorder.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/metrics/environment_recorder.h"

#include "base/base64.h"
#include "base/hash/sha1.h"
#include "base/strings/string_number_conversions.h"
#include "components/metrics/metrics_pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "third_party/metrics_proto/system_profile.pb.h"

namespace metrics {

namespace {

// Computes a SHA-1 hash of |data| and returns it as a hex string.
std::string ComputeSHA1(const std::string& data) { … }

}  // namespace

EnvironmentRecorder::EnvironmentRecorder(PrefService* local_state)
    : … { … }

EnvironmentRecorder::~EnvironmentRecorder() = default;

std::string EnvironmentRecorder::SerializeAndRecordEnvironmentToPrefs(
    const SystemProfileProto& system_profile) { … }

bool EnvironmentRecorder::LoadEnvironmentFromPrefs(
    SystemProfileProto* system_profile) { … }

void EnvironmentRecorder::ClearEnvironmentFromPrefs() { … }

int64_t EnvironmentRecorder::GetLastBuildtime() { … }

std::string EnvironmentRecorder::GetLastVersion() { … }

void EnvironmentRecorder::SetBuildtimeAndVersion(int64_t buildtime,
                                                 const std::string& version) { … }

// static
void EnvironmentRecorder::RegisterPrefs(PrefRegistrySimple* registry) { … }

}  // namespace metrics