| // Copyright 2024 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/install_date_provider.h" |
| |
| #include "base/logging.h" |
| #include "components/metrics/metrics_pref_names.h" |
| #include "components/prefs/pref_service.h" |
| |
| namespace metrics { |
| |
| namespace { |
| |
| // The following two methods are copied from metrics_state_manager.cc, but are |
| // simple enough it's not really needed to reuse. |
| int64_t ReadInstallDate(PrefService* local_state) { |
| return local_state->GetInt64(prefs::kInstallDate); |
| } |
| |
| // Round a timestamp measured in seconds since epoch to one with a granularity |
| // of an hour. This can be used before uploaded potentially sensitive |
| // timestamps. |
| int64_t RoundSecondsToHour(int64_t time_in_seconds) { |
| return 3600 * (time_in_seconds / 3600); |
| } |
| |
| } // namespace |
| |
| void InstallDateProvider::ProvideSystemProfileMetrics( |
| SystemProfileProto* system_profile_proto) { |
| system_profile_proto->set_install_date( |
| RoundSecondsToHour(ReadInstallDate(local_state_))); |
| } |
| |
| } // namespace metrics |
