Only the usual apt methods are documented here:
Experimental operating system: Ubuntu 12.04 LTS 64-bit
1. Download and install key from Google Linux Repository (http://www.google.com/linuxrepositories/)
Open the text editor by entering the following command in the terminal
sudo gedit/etc/apt/sources.list.d/google-chrome.list
Then, in the Open Text editor, enter
Deb Http://dl.google.com/linux/deb/stable Main
Save file Exit editor when finished
Run at Terminal:
Wget-q-o–https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add-
2. Update
In Terminal input:
sudo apt-get update
3. Installation
Install the stable version of Chrome at terminal input: sudo apt-get install google-chrome-stable
Install the beta version of Chrome at terminal input: sudo apt-get install Google-chrome-beta
Install the unstable version of Chrome at terminal input: sudo apt-get install google-chrome-unstable
For other methods, see:
http://www.iefans.net/ubuntu-debian-linux-chrome/
http://www.douban.com/note/252982281/
Thanks to the above two authors
"Notes" Ubuntu Linux installation Chrome steps