diff -r 000000000000 -r 6474c204b198 widget/gtk/nsAppShell.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/gtk/nsAppShell.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* 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 nsAppShell_h__
+#define nsAppShell_h__
+
+#include <glib.h>
+#include "nsBaseAppShell.h"
+#include "nsCOMPtr.h"
+
+class nsAppShell : public nsBaseAppShell {
+public:
+    nsAppShell() : mTag(0) {
+        mPipeFDs[0] = mPipeFDs[1] = 0;
+    }
+
+    // nsBaseAppShell overrides:
+    nsresult Init();
+    virtual void ScheduleNativeEventCallback();
+    virtual bool ProcessNextNativeEvent(bool mayWait);
+
+private:
+    virtual ~nsAppShell();
+
+    static gboolean EventProcessorCallback(GIOChannel *source,
+                                           GIOCondition condition,
+                                           gpointer data);
+
+    int mPipeFDs[2];
+    unsigned mTag;
+};
+
+#endif /* nsAppShell_h__ */