1 files changed, 23 insertions, 0 deletions
diff --git a/chromium/ui/accessibility/mojom/ax_tree_update_mojom_traits.cc b/chromium/ui/accessibility/mojom/ax_tree_update_mojom_traits.cc
new file mode 100644
index 00000000000..c3f29453c86
--- /dev/null
+++ b/chromium/ui/accessibility/mojom/ax_tree_update_mojom_traits.cc
@@ -0,0 +1,23 @@
+// Copyright 2018 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/accessibility/mojom/ax_tree_update_mojom_traits.h"
+
+namespace mojo {
+
+// static
+bool StructTraits<ax::mojom::AXTreeUpdateDataView, ui::AXTreeUpdate>::Read(
+    ax::mojom::AXTreeUpdateDataView data,
+    ui::AXTreeUpdate* out) {
+  out->has_tree_data = data.has_tree_data();
+  if (!data.ReadTreeData(&out->tree_data))
+    return false;
+  out->node_id_to_clear = data.node_id_to_clear();
+  out->root_id = data.root_id();
+  if (!data.ReadNodes(&out->nodes))
+    return false;
+  return true;
+}
+
+}  // namespace mojo