The current URI is the ebuild is broken, changing the filename to chrome-remote-desktop-77.0.3865.32.ebuild seems to fix it.
commit 0a624f99940760e3feab56bd429c252a7801768d Author: Mike Frysinger <vapier@gentoo.org> Date: Sat Sep 14 03:08:53 2019 -0400 net-misc/chrome-remote-desktop: version bump to 77.0.3865.32 Closes: https://bugs.gentoo.org/675352 Signed-off-by: Mike Frysinger <vapier@gentoo.org> *** This bug has been marked as a duplicate of bug 675352 ***