chromium/components/variations/service/variations_service.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_VARIATIONS_SERVICE_VARIATIONS_SERVICE_H_
#define COMPONENTS_VARIATIONS_SERVICE_VARIATIONS_SERVICE_H_

#include <memory>
#include <string>
#include <vector>

#include "base/compiler_specific.h"
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/metrics/field_trial.h"
#include "base/observer_list.h"
#include "base/time/time.h"
#include "build/chromeos_buildflags.h"
#include "components/variations/client_filterable_state.h"
#include "components/variations/service/limited_entropy_synthetic_trial.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_request_scheduler.h"
#include "components/variations/variations_seed_simulator.h"
#include "components/variations/variations_seed_store.h"
#include "components/web_resource/resource_request_allowed_notifier.h"
#include "url/gurl.h"

class PrefService;
class PrefRegistrySimple;

namespace base {
class FeatureList;
class Version;
}  // namespace base

namespace metrics {
class MetricsStateManager;
}

namespace network {
class SimpleURLLoader;
}

namespace user_prefs {
class PrefRegistrySyncable;
}

namespace variations {
struct StudyGroupNames;
class SyntheticTrialRegistry;
class VariationsSeed;
}

namespace variations {

#if BUILDFLAG(IS_CHROMEOS_ASH)
class DeviceVariationsRestrictionByPolicyApplicator;
#endif

// Used to (a) set up field trials based on stored variations seed data and (b)
// fetch new seed data from the variations server.
class VariationsService
    : public web_resource::ResourceRequestAllowedNotifier::Observer { … };

}  // namespace variations

#endif  // COMPONENTS_VARIATIONS_SERVICE_VARIATIONS_SERVICE_H_