title: Event when a user tries to navigate to a new URL via Chrome Extensions?
body: <p>Basically, I want to make a chrome extension that reads the URL bar upon the user hitting enter and redirect them based on the contents.</p>
  
  <p>Anyone know how to do this?</p>
  
  <p>I'm reading through the API but can't find a method to read the URL on enter?</p>