Remove coordinates from LatencyInfo objects.

ui/latency/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/latency/mojo/latency_info_struct_traits.h"
 
 #include "ipc/ipc_message_utils.h"
 
 namespace mojo {
 
@@ skipping 224 matching lines @@
 StructTraits<ui::mojom::LatencyInfoDataView, ui::LatencyInfo>::trace_name(
     const ui::LatencyInfo& info) {
   return info.trace_name_;
 }
 
 const ui::LatencyInfo::LatencyMap&
 StructTraits<ui::mojom::LatencyInfoDataView,
              ui::LatencyInfo>::latency_components(const ui::LatencyInfo& info) {
   return info.latency_components();
 }
-InputCoordinateArray
-StructTraits<ui::mojom::LatencyInfoDataView,

[mfomitchev, 2017/04/06 21:40:53]

You should update .h for struct traits as well.

-             ui::LatencyInfo>::input_coordinates(const ui::LatencyInfo& info) {
-  return {info.input_coordinates_size_, ui::LatencyInfo::kMaxInputCoordinates,
-          const_cast<gfx::PointF*>(info.input_coordinates_)};
-}
 
 int64_t StructTraits<ui::mojom::LatencyInfoDataView, ui::LatencyInfo>::trace_id(
     const ui::LatencyInfo& info) {
   return info.trace_id();
 }
 
 bool StructTraits<ui::mojom::LatencyInfoDataView, ui::LatencyInfo>::coalesced(
     const ui::LatencyInfo& info) {
   return info.coalesced();
 }
@@ skipping 15 matching lines @@
     ui::mojom::LatencyComponentPairDataView component_pair;
     components.GetDataView(i, &component_pair);
     ui::LatencyInfo::LatencyMap::key_type key;
     if (!component_pair.ReadKey(&key))
       return false;
     auto& value = out->latency_components_[key];
     if (!component_pair.ReadValue(&value))
       return false;
   }
 
-  InputCoordinateArray input_coordinate_array = {
-      0, ui::LatencyInfo::kMaxInputCoordinates, out->input_coordinates_};
-  if (!data.ReadInputCoordinates(&input_coordinate_array))
-    return false;
-  // TODO(fsamuel): ui::LatencyInfo::input_coordinates_size_ should be a size_t.
-  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