Install this version:
emerge -a =www-plugins/chrome-tab-modifier-0.22.0
# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
EXTENSION_ID='hcbgadmbdkiilgpifjgcakjehmafcjai'
DESCRIPTION="Chromium extension to manipulate tabs based on URL matching"
HOMEPAGE="https://github.com/sylouuu/chrome-tab-modifier"
SRC_URI="
https://clients2.google.com/service/update2/crx?response=redirect&prodversion=89.0.4389.114&acceptformat=crx2,crx3&x=id%3D${EXTENSION_ID}%26uc -> ${P}.crx
"
# NOTE: https://f1.crx4chrome.com/crx.php?i=${EXTENSION_ID}&v=${PV}&p=5842 differs, and hates wget UA
S="${WORKDIR}"
LICENSE="MIT"
SLOT="0"
KEYWORDS="amd64 ~arm64 ~ppc64 ~x86"
IUSE=""
RDEPEND="www-client/chromium"
DEPEND=""
BDEPEND=""
src_compile() {
echo "{ \"external_crx\": \"/usr/share/${P}/${P}.crx\", \"external_version\": \"${PV}\" }" > "${EXTENSION_ID}.json" || die
}
src_install() {
insinto "/usr/share/${P}"
doins "${DISTDIR}/${P}.crx"
insinto "/usr/share/chromium/extensions"
doins "${EXTENSION_ID}.json"
}