1 files changed, 6 insertions, 0 deletions
diff --git a/chromium/ui/latency/average_lag_tracker.h b/chromium/ui/latency/average_lag_tracker.h
index 80244d90233..f97738f17cf 100644
--- a/chromium/ui/latency/average_lag_tracker.h
+++ b/chromium/ui/latency/average_lag_tracker.h
@@ -50,6 +50,12 @@ class AverageLagTracker {
     float lag_area_no_prediction;
   } LagAreaInFrame;
 
+  void AddScrollBeginInFrame(base::TimeTicks gpu_swap_begin_timestamp,
+                             base::TimeTicks event_timestamp);
+  void AddScrollUpdateInFrame(const LatencyInfo& latency,
+                              base::TimeTicks gpu_swap_begin_timestamp,
+                              base::TimeTicks event_timestamp);
+
   // Calculate lag in 1 seconds intervals and report UMA.
   void CalculateAndReportAverageLagUma(bool send_anyway = false);