Bug 304954 Grendel needs a backend API

Removed Unneaded code
Also fix to grendel.dnd.DragSourceDropEvent for changes as a result of bug 106386

grendel/sources/grendel/dnd/DragSourceDropEvent.java

@@ -1,46 +0,0 @@
-/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is the Grendel mail/news client.
- *
- * The Initial Developer of the Original Code is Netscape Communications
- * Corporation.  Portions created by Netscape are
- * Copyright (C) 1997 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s): 
- *
- * Created: Will Scullin <scullin@netscape.com>,  6 Nov 1997.
- */
-
-package grendel.dnd;
-
-public class DragSourceDropEvent
-  extends java.util.EventObject {
-  boolean fCancelled;
-  boolean fSuccessful;
-
-  public DragSourceDropEvent(Object aSource, boolean cancelled,
-                             boolean successful) {
-    super(aSource);
-    fSucessful = sucessful;
-    fCancelled = cancelled;
-  }
-
-  public boolean isDragCancelled() {
-    return fCancelled;
-  }
-
-  public boolean isDropSuccessful() {
-    return fSuccessful;
-  }
-}