Implement LatencyInfo StructTraits

ui/events/mojo/latency_info.typemap

Index: ui/events/mojo/latency_info.typemap
diff --git a/ui/events/mojo/latency_info.typemap b/ui/events/mojo/latency_info.typemap
new file mode 100644
index 0000000000000000000000000000000000000000..89911ded60c2393ed634ed9807c48da4d78a02f3
--- /dev/null
+++ b/ui/events/mojo/latency_info.typemap
@@ -0,0 +1,21 @@
+# 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.
+
+mojom = "//ui/events/mojo/latency_info.mojom"
+public_headers = [
+  "//ui/events/latency_info.h",
+]
+traits_headers = [ "//ui/events/mojo/latency_info_struct_traits.h" ]
+sources = [ "//ui/events/mojo/latency_info_struct_traits.cc" ]
+public_deps = [
+  "//mojo/common",
+  "//mojo/public/cpp/bindings",
+  "//ui/events:events_base",
+]
+type_mappings = [
+  "ui.mojom.LatencyComponent=ui::LatencyInfo::LatencyComponent",
+  "ui.mojom.LatencyComponentId=std::pair<ui::LatencyComponentType, int64_t>",
+  "ui.mojom.LatencyInfo=ui::LatencyInfo",
+  "ui.mojom.InputCoordinate=ui::LatencyInfo::InputCoordinate",
+]