Could be related to this but I couldn't solve the problem with the fixes there.
The issue is especially apparent on websites that use monospace font. For example: http://www.hastebin.com/gosiqosoti.pl is nearly unreadable in Chrome, although I just tried it in Firefox 12 and it looks a bit better.
This is on 12.04 with the latest Chrome stable. Msttcorefonts are installed.
If nothing else works, consider editing your Custom.css. It should be found at ~/.config/google-chrome/Default/User Stylesheets/Custom.css. (There's a space between User and Stylesheets! which doesn't matter if you get there via a file manager GUI.)
The file is empty by default unless you've already edited it. You could open it with any text editor and paste in pre, code, kbd, tt { font-family: "Ubuntu mono" !important; } or any other monospace font of your choice. But I don't like Courier. It appears fainter than other mono fonts.
