I refer to http://www.google.com/support/forum/p/Chrome/thread?tid=389f306a52817110&hl=en.
Modify (or Add) webkit data structure in following file:
- Windows XP: ..\Documents and Settings\User_Name\Local Settings\Application Data\Google\Chrome\User Data\Default\Preference
- Mac OS X: $HOME/Users/breadncup/Library/Application Support/Google/Chrome/Default/Preference
"webkit": {
"webprefs": {
"default_fixed_font_size": 11,
"default_font_size": 12,
"fixed_font_family": "Bitstream Vera Sans Mono",
"minimum_font_size": 12,
"minimum_logical_font_siz": 12,
"sansserif_font_family": "Times New Roman",
"serif_font_family": "Arial",
"standard_font_is_serif": false,
"text_areas_are_resizable": true
}
}