If you are opening a web page and you get a message "We have detected you are running an older version of Chrome" this is because the website is not detecting the browser correctly, but it is identifying that it is based on WebKit, which is is as is Chrome, Safari the upcoming Internet Explorer et al. There is nothing you can do about this apart from contacting the website in question and asking them to update the site to recognise and render the webOS browser correctly.
chrome update
in LG webOS Smart TV Questions
Posted
Finally I understood too... thanks!!!