diff -r 000000000000 -r 6474c204b198 accessible/src/html/HTMLCanvasAccessible.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessible/src/html/HTMLCanvasAccessible.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,33 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 mozilla_a11y_HTMLCanvasAccessible_h__
+#define mozilla_a11y_HTMLCanvasAccessible_h__
+
+#include "HyperTextAccessibleWrap.h"
+
+namespace mozilla {
+namespace a11y {
+
+/**
+ * HTML canvas accessible (html:canvas).
+ */
+class HTMLCanvasAccessible : public HyperTextAccessibleWrap
+{
+public:
+  HTMLCanvasAccessible(nsIContent* aContent, DocAccessible* aDoc);
+  virtual ~HTMLCanvasAccessible() { }
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // Accessible
+  virtual a11y::role NativeRole();
+};
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif