WIP: Plumbing input event latency reporting through Mus GPU.

ui/events/mojo/latency_info_struct_traits.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/mojo/latency_info_struct_traits.h"
 
 #include "ipc/ipc_message_utils.h"
 
 namespace mojo {
 
@@ skipping 157 matching lines @@
   return component.event_time;
 }
 
 // static
 uint32_t StructTraits<ui::mojom::LatencyComponentDataView,
                       ui::LatencyInfo::LatencyComponent>::
     event_count(const ui::LatencyInfo::LatencyComponent& component) {
   return component.event_count;
 }
 
+//static
+base::TimeTicks StructTraits<ui::mojom::LatencyComponentDataView,
+                             ui::LatencyInfo::LatencyComponent>::
+    first_event_time(const ui::LatencyInfo::LatencyComponent& component) {
+  return component.first_event_time;
+}
+
+//static
+base::TimeTicks StructTraits<ui::mojom::LatencyComponentDataView,
+                             ui::LatencyInfo::LatencyComponent>::
+    last_event_time(const ui::LatencyInfo::LatencyComponent& component) {
+  return component.last_event_time;
+}
+
 // static
 bool StructTraits<ui::mojom::LatencyComponentDataView,
                   ui::LatencyInfo::LatencyComponent>::
     Read(ui::mojom::LatencyComponentDataView data,
          ui::LatencyInfo::LatencyComponent* out) {
   if (!data.ReadEventTime(&out->event_time))
     return false;
+  if (!data.ReadFirstEventTime(&out->first_event_time))
+    return false;
+  if (!data.ReadLastEventTime(&out->last_event_time))
+    return false;
   out->sequence_number = data.sequence_number();
   out->event_count = data.event_count();
   return true;
 }
 
 // static
 ui::mojom::LatencyComponentType
 StructTraits<ui::mojom::LatencyComponentIdDataView,
              std::pair<ui::LatencyComponentType, int64_t>>::
     type(const std::pair<ui::LatencyComponentType, int64_t>& id) {
@@ skipping 78 matching lines @@
   out->input_coordinates_size_ =
       static_cast<uint32_t>(input_coordinate_array.size);
 
   out->trace_id_ = data.trace_id();
   out->coalesced_ = data.coalesced();
   out->terminated_ = data.terminated();
   return true;
 }
 
 }  // namespace mojo