1 files changed, 36 insertions, 0 deletions
diff --git a/accessible/windows/msaa/IUnknownImpl.cpp b/accessible/windows/msaa/IUnknownImpl.cpp
new file mode 100644
index 0000000000..b7c0ee0f39
--- /dev/null
+++ b/accessible/windows/msaa/IUnknownImpl.cpp
@@ -0,0 +1,36 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=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/. *
+ */
+
+#include "IUnknownImpl.h"
+
+#include "nsDebug.h"
+
+namespace mozilla {
+namespace a11y {
+
+HRESULT
+GetHRESULT(nsresult aResult) {
+  switch (aResult) {
+    case NS_OK:
+      return S_OK;
+
+    case NS_ERROR_INVALID_ARG:
+      return E_INVALIDARG;
+
+    case NS_ERROR_OUT_OF_MEMORY:
+      return E_OUTOFMEMORY;
+
+    case NS_ERROR_NOT_IMPLEMENTED:
+      return E_NOTIMPL;
+
+    default:
+      return E_FAIL;
+  }
+}
+
+}  // namespace a11y
+}  // namespace mozilla