Give a better error message when RunAsyncCode.runAsyncCode is passed something
other than a class literal.

Review at http://gwt-code-reviews.appspot.com/220802

Review by: scottb@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@7757 8db76d5a-ed1c-0410-87a9-c151d255dfc7
3 files changed