chromium/headless/lib/browser/headless_field_trials.cc

// 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 "headless/lib/browser/headless_field_trials.h"

#include <functional>
#include <memory>
#include <vector>

#include "base/command_line.h"
#include "base/feature_list.h"
#include "components/metrics/enabled_state_provider.h"
#include "components/metrics/metrics_state_manager.h"
#include "components/prefs/pref_service.h"
#include "components/variations/platform_field_trials.h"
#include "components/variations/seed_response.h"
#include "components/variations/service/safe_seed_manager.h"
#include "components/variations/service/ui_string_overrider.h"
#include "components/variations/service/variations_field_trial_creator.h"
#include "components/variations/service/variations_service_client.h"
#include "components/variations/variations_safe_seed_store_local_state.h"
#include "components/variations/variations_seed_store.h"
#include "components/variations/variations_switches.h"
#include "content/public/common/content_switch_dependent_feature_overrides.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"

namespace headless {

namespace {

// A simple concrete implementation of the EnabledStateProvider interface.
class HeadlessEnabledStateProvider : public metrics::EnabledStateProvider { … };

class HeadlessVariationsServiceClient
    : public variations::VariationsServiceClient { … };

}  // namespace

bool ShouldEnableFieldTrials() { … }

void SetUpFieldTrials(PrefService* local_state,
                      const base::FilePath& user_data_dir) { … }

}  // namespace headless