This change is mostly resources related. We pre-split path of resources and avoid performing String.split() several times later. This gives about 5% speed up in GWT Designer. Review at http://gwt-code-reviews.appspot.com/1382801 Review by: conroy@google.com git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9867 8db76d5a-ed1c-0410-87a9-c151d255dfc7