This Google Chrome Extension allows you to quickly hide your browser windows by pressing the F9 (F12 for old versions) key or the right button of your mouse.
Old versions can be downloaded here: http://code.google.com/p/chrome-ext-boss-key-and-button/
Version 3.0: Use F9 as the boss key by default. Use Shift-F9 to close the cover tabs.
Version 2.0: you can 1) choose another boss key, including Alt-` or + in the Num Pad keyboard; 2) choose to use double-click right button as boss button; 3) choose to open a URL when using boss key/button; 4) use Shift-F12 to restore windows while Chrome gets focused. (It is suggested that you restart Chrome after upgrade. Document updating is under progress, please be patient.)
Version 1.2: lets you use the extension right away without restarting Chrome.
Version 1.1.1: lets you test the extension on the Options page.