This CL logs the metrics to see the impact of document.write script blocking feature. The metrics a…

components/page_load_metrics/browser/page_load_metrics_util.cc

Index: components/page_load_metrics/browser/page_load_metrics_util.cc
diff --git a/components/page_load_metrics/browser/page_load_metrics_util.cc b/components/page_load_metrics/browser/page_load_metrics_util.cc
index dbfa35ebad04390d702be6642f8a546ce3715e76..a9ead770ea308b064e88f1d5c375dadb6f5d5e95 100644
--- a/components/page_load_metrics/browser/page_load_metrics_util.cc
+++ b/components/page_load_metrics/browser/page_load_metrics_util.cc
@@ -18,4 +18,17 @@ bool WasStartedInForegroundEventInForeground(base::TimeDelta event,
           event < info.first_background_time);
 }
 
+bool WasParseInForeground(base::TimeDelta parse_start,
+                          base::TimeDelta parse_stop,
+                          const PageLoadExtraInfo& info) {
+  if (parse_start.is_zero()) {
+    return false;
+  }
+  const bool incomplete_parse_in_foreground =
+      parse_stop.is_zero() && info.started_in_foreground &&
+      info.first_background_time.is_zero();
+
+  return incomplete_parse_in_foreground ||
+         WasStartedInForegroundEventInForeground(parse_stop, info);
+}
 }  // namespace page_load_metrics