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.h

Index: components/page_load_metrics/browser/page_load_metrics_util.h
diff --git a/components/page_load_metrics/browser/page_load_metrics_util.h b/components/page_load_metrics/browser/page_load_metrics_util.h
index 380c077d26357ae6db44339bbbdacfe9b45692b6..c79612e2a32672bf2b69be034c65cce48af2839d 100644
--- a/components/page_load_metrics/browser/page_load_metrics_util.h
+++ b/components/page_load_metrics/browser/page_load_metrics_util.h
@@ -28,6 +28,14 @@ struct PageLoadTiming;
 bool WasStartedInForegroundEventInForeground(base::TimeDelta event,
                                              const PageLoadExtraInfo& info);
 
+// Returns true if:
+// - Parse started and did not complete but the entire page load duration
+// happened in the foreground.
+// - Parse completed and happened entirely in the foreground.
+bool WasParseInForeground(base::TimeDelta parse_start,
+                          base::TimeDelta parse_stop,
+                          const PageLoadExtraInfo& info);
+
 }  // namespace page_load_metrics
 
 #endif  // COMPONENTS_PAGE_LOAD_METRICS_BROWSER_PAGE_LOAD_METRICS_UTIL_H_