summary
chrome broswer can't found in ubuntu14.04 default source list.To install chrome ,you must add source list by self . Today,i will give you two ways to install chrome on ubuntu14.04.one is by ppa(add google repository source list),second is source installation(donwload deb from official website).
method 1 :install chrome by adding google repository source:
$ wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
$ sh -c 'echo "http://dl.google.com/linux/chrome/deb/ stable main">>/etc/apt/sources.list.d/google.list'
$ apt-get update && apt-get install google-chrome-stable
method 2:install chrome using deb
$ wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
$ dpkg -i google-chrome-stable_current_amd64.deb