What is the shortcut for fullscreen mode in Lion? Some apps allow their windows to be viewed in full screen, such as Google Chrome, which is really good. 

Wondering if there is a shortcut to do it?
ctrl+&#x2318;+F works for Safari and Chrome.

The ^ is old unix style for ctrl, which is why the option in the menu is:



Edit:

While the answer above only works for both Safari and Chrome, the following shortcut works only for Chrome and Firefox: 

&#x21E7;+&#x2318;+F