Unreviewed, rolling out r170244.
https://bugs.webkit.org/show_bug.cgi?id=134157

GTK/EFL bindings generator works differently, making this
patch not work there.  Will fix entire patch after a rollout.
(Requested by bradee-oh on #webkit).

Reverted changeset:

"Gamepad API - Deprecate the existing implementation"
https://bugs.webkit.org/show_bug.cgi?id=134108
http://trac.webkit.org/changeset/170244

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@170246 268f45cc-cd09-0410-ab3c-d52691b4dbfc