Comment 2 for bug 859272

StacktraceTop:
 app_chooser_online_get_default_ready_cb (source=0x12270f0, res=0x12402a0, user_data=0xf28470) at /build/buildd/gtk+3.0-3.1.92/./gtk/gtkappchooserdialog.c:167
 g_simple_async_result_complete (simple=0x12402a0) at /build/buildd/glib2.0-2.29.92/./gio/gsimpleasyncresult.c:749
 pk_proxy_created_cb (source=<optimized out>, result=<optimized out>, user_data=0x12270f0) at /build/buildd/gtk+3.0-3.1.92/./gtk/gtkappchooseronlinepk.c:187
 g_simple_async_result_complete (simple=0xf4b400) at /build/buildd/glib2.0-2.29.92/./gio/gsimpleasyncresult.c:749
 complete_in_idle_cb (data=0xf4b400) at /build/buildd/glib2.0-2.29.92/./gio/gsimpleasyncresult.c:761