Change getRange to sublist. Make getRange deprecated.

tests/html/node_test.dart

 // Copyright (c) 2011, 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.
 
 library NodeTest;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_individual_config.dart';
 import 'dart:html';
 import 'dart:svg' as svg;
 
@@ skipping 223 matching lines @@
     });
 
     test('removeLast', () {
       var node = makeNodeWithChildren();
       expect(node.nodes.removeLast(), isComment);
       expect(node.nodes.length, 2);
       expect(node.nodes.removeLast(), isBRElement);
       expect(node.nodes.length, 1);
     });
 
-    test('getRange', () {
+    test('sublist', () {
       var node = makeNodeWithChildren();
-      expect(node.nodes.getRange(1, 2), isNodeList);
+      expect(node.nodes.sublist(1, 3), isNodeList);
     });
   });
 
   group('_NodeList', () {
     List<Node> makeNodeList() =>
       makeNodeWithChildren().nodes.where((_) => true).toList();
 
     test('first', () {
       var nodes = makeNodeList();
       expect(nodes.first, isText);
     });
 
     test('where', () {
       var filtered = makeNodeList().where((n) => n is BRElement).toList();
       expect(filtered.length, 1);
       expect(filtered[0], isBRElement);
       expect(filtered, isNodeList);
     });
 
-    test('getRange', () {
-      var range = makeNodeList().getRange(1, 2);
+    test('sublist', () {
+      var range = makeNodeList().sublist(1, 3);
       expect(range, isNodeList);
       expect(range[0], isBRElement);
       expect(range[1], isComment);
     });
   });
 }