ots: update to 5.2.0

gfx/ots/src/gpos.h

@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011-2017 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.
 
@@ -9,18 +9,24 @@
 
 namespace ots {
 
-struct OpenTypeGPOS {
-  OpenTypeGPOS()
-      : num_lookups(0),
-        data(NULL),
-        length(0) {
+class OpenTypeGPOS : public Table {
+ public:
+  explicit OpenTypeGPOS(Font *font, uint32_t tag)
+      : Table(font, tag, tag),
+        num_lookups(0),
+        m_data(NULL),
+        m_length(0) {
   }
 
+  bool Parse(const uint8_t *data, size_t length);
+  bool Serialize(OTSStream *out);
+
   // Number of lookups in GPOS table
   uint16_t num_lookups;
 
-  const uint8_t *data;
-  size_t length;
+ private:
+  const uint8_t *m_data;
+  size_t m_length;
 };
 
 }  // namespace ots