Record accuracy of expected queueing time metric.

ui/latency/mojo/latency_info_struct_traits.cc

Index: ui/latency/mojo/latency_info_struct_traits.cc
diff --git a/ui/latency/mojo/latency_info_struct_traits.cc b/ui/latency/mojo/latency_info_struct_traits.cc
index 8e27b541be028b54eb273352ef12b6a835d28eea..955de5fdf406bc828d921a5c6683dda3395c702e 100644
--- a/ui/latency/mojo/latency_info_struct_traits.cc
+++ b/ui/latency/mojo/latency_info_struct_traits.cc
@@ -309,6 +309,12 @@ StructTraits<ui::mojom::LatencyInfoDataView,
   return UISourceEventTypeToMojo(info.source_event_type());
 }
 
+// static
+base::TimeDelta StructTraits<ui::mojom::LatencyInfoDataView, ui::LatencyInfo>::
+    expected_queueing_time_on_dispatch(const ui::LatencyInfo& info) {
+  return info.expected_queueing_time_on_dispatch();
+}
+
 // static
 bool StructTraits<ui::mojom::LatencyInfoDataView, ui::LatencyInfo>::Read(
     ui::mojom::LatencyInfoDataView data,
@@ -334,7 +340,9 @@ bool StructTraits<ui::mojom::LatencyInfoDataView, ui::LatencyInfo>::Read(
   out->began_ = data.began();
   out->terminated_ = data.terminated();
   out->source_event_type_ = MojoSourceEventTypeToUI(data.source_event_type());
-  return true;
+
+  return data.ReadExpectedQueueingTimeOnDispatch(
+      &out->expected_queueing_time_on_dispatch_);
 }
 
 }  // namespace mojo