#ifndef CHROME_BROWSER_METRICS_TAB_STATS_TAB_STATS_TRACKER_H_
#define CHROME_BROWSER_METRICS_TAB_STATS_TAB_STATS_TRACKER_H_
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "base/power_monitor/power_observer.h"
#include "base/sequence_checker.h"
#include "base/timer/timer.h"
#include "build/build_config.h"
#include "chrome/browser/metrics/tab_stats/tab_stats_data_store.h"
#include "chrome/browser/resource_coordinator/tab_lifecycle_observer.h"
#include "chrome/browser/ui/browser_list_observer.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
#include "components/metrics/daily_event.h"
#include "content/public/browser/web_contents_observer.h"
class PrefRegistrySimple;
class PrefService;
metrics
#endif