diff -r 000000000000 -r 6474c204b198 gfx/ots/src/hdmx.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/ots/src/hdmx.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+// Copyright (c) 2009 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.
+
+#ifndef OTS_HDMX_H_
+#define OTS_HDMX_H_
+
+#include <vector>
+
+#include "ots.h"
+
+namespace ots {
+
+struct OpenTypeHDMXDeviceRecord {
+  uint8_t pixel_size;
+  uint8_t max_width;
+  std::vector<uint8_t> widths;
+};
+
+struct OpenTypeHDMX {
+  uint16_t version;
+  int32_t size_device_record;
+  int32_t pad_len;
+  std::vector<OpenTypeHDMXDeviceRecord> records;
+};
+
+}  // namespace ots
+
+#endif