#ifndef CHROME_TEST_BASE_SCOPED_METRICS_SERVICE_FOR_SYNTHETIC_TRIALS_H_
#define CHROME_TEST_BASE_SCOPED_METRICS_SERVICE_FOR_SYNTHETIC_TRIALS_H_
#include <memory>
#include "base/feature_list.h"
#include "base/scoped_observation.h"
#include "chrome/test/base/scoped_testing_local_state.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chrome/test/base/testing_profile_manager.h"
#include "components/metrics/metrics_service.h"
#include "components/metrics/metrics_service_client.h"
#include "components/metrics/metrics_state_manager.h"
#include "components/metrics/test/test_enabled_state_provider.h"
#include "components/metrics/test/test_metrics_service_client.h"
#include "components/prefs/pref_service.h"
#include "components/variations/active_field_trials.h"
#include "components/variations/synthetic_trial_registry.h"
#include "components/variations/synthetic_trials.h"
#include "components/variations/synthetic_trials_active_group_id_provider.h"
#include "components/variations/variations_crash_keys.h"
#include "components/variations/variations_test_utils.h"
#include "content/public/test/browser_task_environment.h"
class ScopedMetricsServiceForSyntheticTrials { … };
#endif