This article may help in search for you answer, It is a little old now but still appears to be relevant.
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6. Howto Start Google Chrome Browser
Once the Google Chrome installation is complete simply navigate to (
Gnome GUI ) "Applications->Internet->Google Chrome" . Google Chrome
installed itself into /opt/google/chrome/ directory. It is also
possible to start Google chrome from a command line by execution of a
following command:
ubuntu-chrome ~$ google-chrome
Google chrome installer had additionally created few symbolic links to
integrate the browser to our GUI environment and for this reason
Google chrome browser can also be started from a command line using
these alternative commands:
> ubuntu-chrome ~$ /usr/bin/x-www-browser
> ubuntu-chrome ~$ /usr/bin/gnome-www-browser
The preceding commands are symbolic links all the way to the actual
Google chrome executable binary located within
/opt/google/chrome/google-chrome For example,
/usr/bin/gnome-www-browser points to
/etc/alternatives/gnome-www-browser which points to
/usr/bin/google-chrome which leads to /opt/google/chrome/google-chrome
and therefore, any of the listed commands can be used to successfully
start Google chrome browser. Additionally, upon the first start of
Google chrome browser a ~/.config/google-chrome/ directory will be
created, which will store all users individual browser settings.
Google Chrome will then generously offer you a choice to choose your
default search engine to search the web using the omnibox. This is
kind of nice o have a choice, and it proves that Google is not afraid
of its direct competitors since Google knows that its position on the
search engine market will be not that easily shaken. Select a default
search engine for Google Chrome:
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