Hitting [enter] should focus the webpage

[ProLoser]

When you hit enter, the address bar is still in focus. It would be nice if I could immediately start using shortcut keys on github as soon as the page loads. I believe this is because of how we are changing the active tab's url. We need to add a window focus code.

[ProLoser]

:( https://code.google.com/p/chromium/issues/detail?id=267709&can=4&colspec=ID%20Pri%20M%20Iteration%20ReleaseBlock%20Cr%20Status%20Owner%20Summary%20OS%20Modified