As per http://www.ubuntuupdates.org/ppa/google_chrome
wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add - sudo sh -c 'echo "deb https://dl.google.com/linux/chrome/deb/ stable main">> /etc/apt/sources.list.d/google.list'sudo apt-get updatesudo apt-get install google-chrome-stable