diff -r 000000000000 -r 6474c204b198 gfx/thebes/gfxDWriteShaper.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/thebes/gfxDWriteShaper.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GFX_DWRITESHAPER_H
+#define GFX_DWRITESHAPER_H
+
+#include "gfxDWriteFonts.h"
+
+/**
+ * \brief Class representing a DWrite font shaper.
+ */
+class gfxDWriteShaper : public gfxFontShaper
+{
+public:
+    gfxDWriteShaper(gfxDWriteFont *aFont)
+        : gfxFontShaper(aFont)
+    {
+        MOZ_COUNT_CTOR(gfxDWriteShaper);
+    }
+
+    virtual ~gfxDWriteShaper()
+    {
+        MOZ_COUNT_DTOR(gfxDWriteShaper);
+    }
+
+    virtual bool ShapeText(gfxContext      *aContext,
+                           const char16_t *aText,
+                           uint32_t         aOffset,
+                           uint32_t         aLength,
+                           int32_t          aScript,
+                           gfxShapedText   *aShapedText);
+};
+
+#endif /* GFX_DWRITESHAPER_H */