diff -r 000000000000 -r 6474c204b198 dom/telephony/TelephonyCommon.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/telephony/TelephonyCommon.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,46 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* vim: set ts=2 et sw=2 tw=40: */
+/* 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_dom_telephony_telephonycommon_h__
+#define mozilla_dom_telephony_telephonycommon_h__
+
+#include "mozilla/Attributes.h"
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/ErrorResult.h"
+#include "nsAutoPtr.h"
+#include "nsCOMPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsDebug.h"
+#include "nsString.h"
+#include "nsTArray.h"
+
+#define BEGIN_TELEPHONY_NAMESPACE \
+  namespace mozilla { namespace dom { namespace telephony {
+#define END_TELEPHONY_NAMESPACE \
+  } /* namespace telephony */ } /* namespace dom */ } /* namespace mozilla */
+#define USING_TELEPHONY_NAMESPACE \
+  using namespace mozilla::dom::telephony;
+
+namespace mozilla {
+namespace dom {
+
+namespace telephony {
+
+enum {
+  kOutgoingPlaceholderCallIndex = UINT32_MAX
+};
+
+} // namespace telephony
+
+class CallsList;
+class Telephony;
+class TelephonyCall;
+class TelephonyCallGroup;
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_telephony_telephonycommon_h__