diff -r 000000000000 -r 6474c204b198 accessible/src/windows/msaa/ServiceProvider.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessible/src/windows/msaa/ServiceProvider.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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_ServiceProvider_h_
+#define mozilla_a11y_ServiceProvider_h_
+
+#include <servprov.h>
+
+#include "AccessibleWrap.h"
+#include "IUnknownImpl.h"
+
+namespace mozilla {
+namespace a11y {
+
+class ServiceProvider MOZ_FINAL : public IServiceProvider
+{
+public:
+  ServiceProvider(AccessibleWrap* aAcc) : mAccessible(aAcc) {}
+  ~ServiceProvider() {}
+
+  DECL_IUNKNOWN
+
+  // IServiceProvider
+  virtual HRESULT STDMETHODCALLTYPE QueryService(REFGUID aGuidService,
+                                                 REFIID aIID,
+                                                 void** aInstancePtr);
+
+private:
+  nsRefPtr<AccessibleWrap> mAccessible;
+};
+
+}
+}
+
+#endif