Record accuracy of expected queueing time metric.

ui/latency/ipc/latency_info_param_traits.cc

Index: ui/latency/ipc/latency_info_param_traits.cc
diff --git a/ui/latency/ipc/latency_info_param_traits.cc b/ui/latency/ipc/latency_info_param_traits.cc
index 89dd8b31e3c6f51c1859f65a8ebf4756fa712473..87b9a8907d35440617f7d15ca6177d7d3d663346 100644
--- a/ui/latency/ipc/latency_info_param_traits.cc
+++ b/ui/latency/ipc/latency_info_param_traits.cc
@@ -46,6 +46,7 @@ void ParamTraits<ui::LatencyInfo>::GetSize(base::PickleSizer* s,
   GetParamSize(s, p.began_);
   GetParamSize(s, p.terminated_);
   GetParamSize(s, p.source_event_type_);
+  GetParamSize(s, p.expected_queueing_time_on_dispatch_);
 }
 
 void ParamTraits<ui::LatencyInfo>::Write(base::Pickle* m, const param_type& p) {
@@ -55,6 +56,7 @@ void ParamTraits<ui::LatencyInfo>::Write(base::Pickle* m, const param_type& p) {
   WriteParam(m, p.began_);
   WriteParam(m, p.terminated_);
   WriteParam(m, p.source_event_type_);
+  WriteParam(m, p.expected_queueing_time_on_dispatch_);
 }
 
 bool ParamTraits<ui::LatencyInfo>::Read(const base::Pickle* m,
@@ -73,6 +75,8 @@ bool ParamTraits<ui::LatencyInfo>::Read(const base::Pickle* m,
     return false;
   if (!ReadParam(m, iter, &p->source_event_type_))
     return false;
+  if (!ReadParam(m, iter, &p->expected_queueing_time_on_dispatch_))
+    return false;
 
   return true;
 }
@@ -89,6 +93,8 @@ void ParamTraits<ui::LatencyInfo>::Log(const param_type& p, std::string* l) {
   LogParam(p.terminated_, l);
   l->append(" ");
   LogParam(p.source_event_type_, l);
+  l->append(" ");
+  LogParam(p.expected_queueing_time_on_dispatch_, l);
 }
 
 }  // namespace IPC