#include "third_party/blink/renderer/platform/widget/input/input_metrics.h"
#include "base/feature_list.h"
#include "base/metrics/histogram_macros.h"
#include "cc/base/features.h"
#include "cc/input/main_thread_scrolling_reason.h"
#include "third_party/blink/public/common/input/web_gesture_device.h"
namespace blink {
namespace {
constexpr uint32_t kMax = …;
static void RecordOneScrollReasonMetric(WebGestureDevice device,
uint32_t reason_index) { … }
}
void RecordScrollReasonsMetric(WebGestureDevice device, uint32_t reasons) { … }
}