twitter/bootstrap — pull request #4767 by rossj (2012-08-28 06:01:59+00:00)
Title: Fix Typeahead key navigation with Chrome + jQuery 1.8.0

In jQuery 1.8.0, Google Chrome no longer shows up as `$.browser.webkit`, but instead has its own `$.browser.chrome` flag. Because of this, `keydown` events were not being added.