Created attachment 39572 [details] [review] patch it is being replaced by GtkComboBoxText in GTK3
I also have a patch to fix this, and some other deprecation warnings, in bug 37497. *** This bug has been marked as a duplicate of bug 37497 ***
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.