I’ve noticed that, since the recent silent Chrome update to v32.0.1700.76, the Dropdown Scrollbars have stopped working. Turns out this is a widespread problem, but downloading the latest Chrome Beta V33 solves this issue. This can be found here; http://www.google.co.uk/intl/en/chrome/browser/beta.html
Chrome v32.0.1700.76 – Dropdown Scrollbars not functioning – January 2014
