It is needed for the new chromium stabilization: dependency.bad [fatal] 14 www-client/chromium/chromium-53.0.2785.89.ebuild: DEPEND: amd64(default/linux/amd64/13.0) ['>=app-arch/gzip-1.7']
There is already an open stablereq for gzip-1.8. *** This bug has been marked as a duplicate of bug 587592 ***