diff -r 000000000000 -r 6474c204b198 accessible/src/windows/ia2/ia2AccessibleValue.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessible/src/windows/ia2/ia2AccessibleValue.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=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 _ACCESSIBLE_VALUE_H
+#define _ACCESSIBLE_VALUE_H
+
+#include "AccessibleValue.h"
+
+namespace mozilla {
+namespace a11y {
+
+class ia2AccessibleValue: public IAccessibleValue
+{
+public:
+
+  // IUnknown
+  STDMETHODIMP QueryInterface(REFIID, void**);
+
+  // IAccessibleValue
+  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_currentValue(
+      /* [retval][out] */ VARIANT *currentValue);
+
+  virtual HRESULT STDMETHODCALLTYPE setCurrentValue(
+      /* [in] */ VARIANT value);
+
+  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_maximumValue(
+      /* [retval][out] */ VARIANT *maximumValue);
+
+  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_minimumValue(
+      /* [retval][out] */ VARIANT *minimumValue);
+
+};
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif