1 files changed, 8 insertions, 3 deletions
diff --git a/gfx/ots/src/hhea.h b/gfx/ots/src/hhea.h
index bdea9aa0d..0405bd9d1 100644
--- a/gfx/ots/src/hhea.h
+++ b/gfx/ots/src/hhea.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009-2017 The OTS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -10,8 +10,13 @@
 
 namespace ots {
 
-struct OpenTypeHHEA {
-  OpenTypeMetricsHeader header;
+class OpenTypeHHEA : public OpenTypeMetricsHeader {
+ public:
+  explicit OpenTypeHHEA(Font *font, uint32_t tag)
+      : OpenTypeMetricsHeader(font, tag, tag) { }
+
+  bool Parse(const uint8_t *data, size_t length);
+  bool Serialize(OTSStream *out);
 };
 
 }  // namespace ots