Specifically, I used Eclipse refactoring to move Precompile.PrecompileOptions, Precompile.PrecompileOptionsImpl, Precompile.ArgProcessor, and GraphicsInitThread to top level classes.
I updated one or two comments, and added @Override tags where eclipse highlighted them as being needed. http://gwt-code-reviews.appspot.com/1452804/ -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
