I - Création d'un repository

gedit /etc/yum.repos.d/chromium.repo

[google]
name=Google - i386
baseurl=http://dl.google.com/linux/rpm/stable/i386
enabled=1
gpgcheck=1
gpgkey=https://dl-ssl.google.com/linux/linux_signing_key.pub  

II - Installation de Chrome

yum install google-chrome

http://www.google.com/linuxrepositories/yum.html