LGTM. With nits
http://gwt-code-reviews.appspot.com/1401801/diff/1/user/src/com/google/gwt/validation/rebind/GwtSpecificValidatorCreator.java File user/src/com/google/gwt/validation/rebind/GwtSpecificValidatorCreator.java (right): http://gwt-code-reviews.appspot.com/1401801/diff/1/user/src/com/google/gwt/validation/rebind/GwtSpecificValidatorCreator.java#newcode158 user/src/com/google/gwt/validation/rebind/GwtSpecificValidatorCreator.java:158: .toSource(); Repeated boolean case http://gwt-code-reviews.appspot.com/1401801/diff/1/user/src/com/google/gwt/validation/rebind/GwtSpecificValidatorCreator.java#newcode166 user/src/com/google/gwt/validation/rebind/GwtSpecificValidatorCreator.java:166: Extra new line http://gwt-code-reviews.appspot.com/1401801/ -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
