Adds a comment requesting an method type parameter to be kept,
even though it looks redundant, to satisfy OpenJDK.

Review at http://gwt-code-reviews.appspot.com/1730805

Review by: rdayal@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@11047 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/test/com/google/gwt/editor/client/DirtyEditorTest.java b/user/test/com/google/gwt/editor/client/DirtyEditorTest.java
index 627c694..3e7909c 100644
--- a/user/test/com/google/gwt/editor/client/DirtyEditorTest.java
+++ b/user/test/com/google/gwt/editor/client/DirtyEditorTest.java
@@ -180,6 +180,7 @@
     SimpleEditor<String> label = SimpleEditor.of();
     OptionalFieldEditor<List<Person>, ListEditor<Person, PersonEditor>> people =
         OptionalFieldEditor.of(ListEditor
+            // The method type parameterization is needed by OpenJDK, please keep.
             .<Person, PersonEditor> of(new EditorSource<PersonEditor>() {
               @Override
               public PersonEditor create(int index) {