ZenHelper

This app will help you to fully enjoy chrome in Zen mode.

You can maximize your screen space, use Chrome in complete full screen mode, and drop off the tab bar and the address bar.

You can leave to this app handling the tab and url address.

Keyboard Shortcut:

Windows: Alt+L
Mac: ⌥+L

Features:

type a URL followed by enter to visit the specified address
type a term followed by enter to search the term (the search engine is configurable)
type a keyword to navigate to any mapped URL (the map is configurable)
type a term to navigate to any open tabs
type a term to get the likely result you would like to visit

Configurations:

change the search engine from the options page
configure the keyword and URL mapping