Metrics for document.write script blocking

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..9cacbf04f4e04e475ba17e1c4d1f7508b014412a 100644
--- a/components/page_load_metrics/browser/page_load_metrics_util.cc
+++ b/components/page_load_metrics/browser/page_load_metrics_util.cc
@@ -11,11 +11,27 @@
 
 namespace page_load_metrics {
 
-bool WasStartedInForegroundEventInForeground(base::TimeDelta event,
+bool WasStartedInForegroundEventInForeground(const base::TimeDelta& event,
                                              const PageLoadExtraInfo& info) {
   return info.started_in_foreground && !event.is_zero() &&
          (info.first_background_time.is_zero() ||
           event < info.first_background_time);
 }
 
+bool ParseInForeground(const base::TimeDelta& parse_start,
+                       const base::TimeDelta& parse_stop,
+                       const PageLoadExtraInfo& info) {
+  if (parse_start.is_zero()) {
+    return false;
+  }
+  // If the parse did not complete but the entire page load duration happened
+  // in the foreground, or if the parse completed and happened entirely in the
+  // foreground, record a foreground histogram.
+  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));

[jkarlin, 2016/04/26 20:16:21]

No need for extra parens

[shivanisha, 2016/04/27 13:34:33]

removed extra parens.

+}
 }  // namespace page_load_metrics