gtk+-2 is out, gtk+-3 is finally in for the official Google builds: ldd /opt/google/chrome-unstable/chrome | grep gtk libgtk-3.so.0 => /usr/lib64/libgtk-3.so.0 (0x00007f8a1bccc000) This is with www-client/google-chrome-unstable-59.0.3067.0
Thanks for letting me know.
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=c93ab065adac613350afb76e46cde1a4a43f26e4 commit c93ab065adac613350afb76e46cde1a4a43f26e4 Author: Mike Gilbert <floppym@gentoo.org> Date: Fri Apr 14 10:00:57 2017 -0400 www-client/google-chrome-unstable: depend on GTK+3 Bug: https://bugs.gentoo.org/615538 Package-Manager: Portage-2.3.5_p19, Repoman-2.3.2_p49 .../google-chrome-unstable/google-chrome-unstable-59.0.3067.0.ebuild | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)