diff -r 000000000000 -r 6474c204b198 widget/windows/winrt/UIABridge.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/windows/winrt/UIABridge.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,22 @@
+/* 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/. */
+
+#define DO_NO_IMPORTS 1
+
+import "oaidl.idl";
+import "oleacc.idl";
+import "Inspectable.idl";
+
+  [uuid(C78B35B5-05DB-43AA-AE73-94C233A93C98)]
+  interface IUIABridge : IInspectable {
+    HRESULT Init([in] IInspectable* view, [in] IInspectable* window, [in] LONG_PTR inner);
+    HRESULT Disconnect();
+    HRESULT FocusChangeEvent();
+  };
+
+  [uuid(9F57311C-E8AE-4991-8D9F-E069EEE96D85)]
+  interface IUIAElement : IInspectable {
+    HRESULT SetFocusInternal([in] LONG_PTR accessible);
+    HRESULT ClearFocus();
+  };