From the Google Chrome Features Page:
Translation in the browser
Chrome is the first browser to incorporate machine translation in the browser itself, without requiring additional plugins or extensions.
When the language on the web page does not match the language preferences set in the browser, Chrome will automatically ask to translate the web page into your preferred language.
How to set up the browser for translation to English:http://www.google.com/support/chrome/bin/answer.py?hl=en&answer=95416&from=95415&rd=1