Don't generate dom_deprecated files at all.

lib/dom/templates/dom/interface/interface_IDBKeyRange.darttemplate

Index: lib/dom/templates/dom/interface/interface_IDBKeyRange.darttemplate
===================================================================
--- lib/dom/templates/dom/interface/interface_IDBKeyRange.darttemplate	(revision 11969)
+++ lib/dom/templates/dom/interface/interface_IDBKeyRange.darttemplate	(working copy)
@@ -1,18 +0,0 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// WARNING: Do not edit - generated code.
-
-interface IDBKeyRange$EXTENDS default _IDBKeyRangeFactoryProvider {
-
-  IDBKeyRange.only(/*IDBKey*/ value);
-
-  IDBKeyRange.lowerBound(/*IDBKey*/ bound, [bool open]);
-
-  IDBKeyRange.upperBound(/*IDBKey*/ bound, [bool open]);
-
-  IDBKeyRange.bound(/*IDBKey*/ lower, /*IDBKey*/ upper,
-                    [bool lowerOpen, bool upperOpen]);
-
-$!MEMBERS}