mozilla/browserid — pull request #2772 by shane-tomlinson (2012-11-27 10:59:59+00:00)
Title: Update wclickIfExists to handle closed windows.

Set the implict wait timeout to 0 and check for the window gone exception. This is to get around a bug in Webdriver where a request never returns when trying to query for an element on a window that has been closed.

fixes #2741