diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/core/SkFontStream.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/core/SkFontStream.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkFontStream_DEFINED
+#define SkFontStream_DEFINED
+
+class SkStream;
+
+#include "SkTypeface.h"
+
+class SkFontStream {
+public:
+    /**
+     *  Return the number of shared directories inside a TTC sfnt, or return 1
+     *  if the stream is a normal sfnt (ttf). If there is an error or
+     *  no directory is found, return 0.
+     *
+     *  Note: the stream is rewound initially, but is returned at an arbitrary
+     *  read offset.
+     */
+    static int CountTTCEntries(SkStream*);
+
+    /**
+     *  @param ttcIndex 0 for normal sfnts, or the index within a TTC sfnt.
+     *
+     *  Note: the stream is rewound initially, but is returned at an arbitrary
+     *  read offset.
+     */
+    static int GetTableTags(SkStream*, int ttcIndex, SkFontTableTag tags[]);
+
+    /**
+     *  @param ttcIndex 0 for normal sfnts, or the index within a TTC sfnt.
+     *
+     *  Note: the stream is rewound initially, but is returned at an arbitrary
+     *  read offset.
+     */
+    static size_t GetTableData(SkStream*, int ttcIndex, SkFontTableTag tag,
+                               size_t offset, size_t length, void* data);
+
+    static size_t GetTableSize(SkStream* stream, int ttcIndex, SkFontTableTag tag) {
+        return GetTableData(stream, ttcIndex, tag, 0, ~0U, NULL);
+    }
+};
+
+#endif