>>341-342
.\browser\chrome\ja\locale\browser\preferences\advanced.dtd の39、40行目に
<!ENTITY UAWarning.label "Warning: your user-agent is globally overridden">
<!ENTITY UAWarning.reset "Reset">
.\chrome\ja\locale\ja\cookie\cookieAcceptDialog.properties の10、11行目に
# LOCALIZATION NOTE (expireInAVeryLongTime) This string is used if a cookie won't expire for a literal life age and then some.
expireInAVeryLongTime=Not in your lifetime
を追加する。日本語へはお好みの言葉で。