chromium/components/variations/child_process_field_trial_syncer.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 "components/variations/child_process_field_trial_syncer.h"

#include <utility>

#include "base/auto_reset.h"
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/containers/contains.h"
#include "base/metrics/field_trial_list_including_low_anonymity.h"
#include "components/variations/variations_crash_keys.h"
#include "third_party/abseil-cpp/absl/base/attributes.h"

namespace variations {

namespace {

ChildProcessFieldTrialSyncer* g_instance = …;
ABSL_CONST_INIT thread_local bool in_set_field_trial_group_from_browser = …;

}  // namespace

// static
ChildProcessFieldTrialSyncer* ChildProcessFieldTrialSyncer::CreateInstance(
    FieldTrialActivatedCallback activated_callback) { … }

// static
ChildProcessFieldTrialSyncer*
ChildProcessFieldTrialSyncer::CreateInstanceForTesting(
    const std::set<std::string>& initially_active_trials,
    FieldTrialActivatedCallback activated_callback) { … }

// static
void ChildProcessFieldTrialSyncer::DeleteInstanceForTesting() { … }

ChildProcessFieldTrialSyncer::ChildProcessFieldTrialSyncer(
    FieldTrialActivatedCallback activated_callback)
    : … { … }

ChildProcessFieldTrialSyncer::~ChildProcessFieldTrialSyncer() = default;

void ChildProcessFieldTrialSyncer::Init(
    const std::set<std::string>& initially_active_trials) { … }

void ChildProcessFieldTrialSyncer::SetFieldTrialGroupFromBrowser(
    const std::string& trial_name,
    const std::string& group_name) { … }

void ChildProcessFieldTrialSyncer::OnFieldTrialGroupFinalized(
    const base::FieldTrial& trial,
    const std::string& group_name) { … }

}  // namespace variations