diff -r 000000000000 -r 6474c204b198 dom/mobilemessage/src/MobileMessageThread.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/mobilemessage/src/MobileMessageThread.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 mozilla_dom_mobilemessage_MobileMessageThread_h
+#define mozilla_dom_mobilemessage_MobileMessageThread_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/mobilemessage/SmsTypes.h"
+#include "nsIDOMMozMobileMessageThread.h"
+#include "nsString.h"
+
+namespace mozilla {
+namespace dom {
+
+class MobileMessageThread MOZ_FINAL : public nsIDOMMozMobileMessageThread
+{
+private:
+  typedef mobilemessage::ThreadData ThreadData;
+
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIDOMMOZMOBILEMESSAGETHREAD
+
+  MobileMessageThread(uint64_t aId,
+                      const nsTArray<nsString>& aParticipants,
+                      uint64_t aTimestamp,
+                      const nsString& aLastMessageSubject,
+                      const nsString& aBody,
+                      uint64_t aUnreadCount,
+                      mobilemessage::MessageType aLastMessageType);
+
+  MobileMessageThread(const ThreadData& aData);
+
+  static nsresult Create(uint64_t aId,
+                         const JS::Value& aParticipants,
+                         uint64_t aTimestamp,
+                         const nsAString& aLastMessageSubject,
+                         const nsAString& aBody,
+                         uint64_t aUnreadCount,
+                         const nsAString& aLastMessageType,
+                         JSContext* aCx,
+                         nsIDOMMozMobileMessageThread** aThread);
+
+  const ThreadData& GetData() const { return mData; }
+
+private:
+  // Don't try to use the default constructor.
+  MobileMessageThread() MOZ_DELETE;
+
+  ThreadData mData;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_mobilemessage_MobileMessageThread_h