Original MVP code

gistfile1.java

public void bind() {
    display.getSaveButton().addClickHandler(
        new ClickHandler() {
        @Override public void click(ClickEvent e) {
            // Magic happens here
        }
    });
}

gistfile2.java

public void bind() {
     display.addSaveClickHandler(new ClickHandler() {
         @Override public void click(ClickEvent e) {
             // Magic happens here
         }
     });
}