Change getRange to sublist. Make getRange deprecated.

tests/html/element_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 ElementTest;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_individual_config.dart';
 import 'dart:async';
 import 'dart:html';
 import 'dart:svg' as svg;
@@ skipping 461 matching lines @@
     });
 
     test('removeLast', () {
       var el = makeElementWithChildren();
       expect(el.children.removeLast(), isInputElement);
       expect(el.children.length, 2);
       expect(el.children.removeLast(), isImageElement);
       expect(el.children.length, 1);
     });
 
-    test('getRange', () {
+    test('sublist', () {
       var el = makeElementWithChildren();
-      expect(el.children.getRange(1, 1), isElementList);
+      expect(el.children.sublist(1, 2), isElementList);
     });
   });
 
   group('matches', () {
     test('matches', () {
       var element = new DivElement();
       element.classes.add('test');
 
       expect(element.matches('div'), true);
       expect(element.matches('span'), false);
@@ skipping 80 matching lines @@
     test('iterator', () {
       var els = [];
       for (var subel in getQueryAll()) {
         els.add(subel);
       }
       expect(els[0], isAnchorElement);
       expect(els[1], isSpanElement);
       expect(els[2], isHRElement);
     });
 
-    test('getRange', () {
-      expect(getQueryAll().getRange(1, 1) is List<Element>, isTrue);
+    test('sublist', () {
+      expect(getQueryAll().sublist(1, 2) is List<Element>, isTrue);
     });
 
     testUnsupported('[]=', () => getQueryAll()[1] = new Element.tag('br'));
     testUnsupported('add', () => getQueryAll().add(new Element.tag('br')));
 
     testUnsupported('addAll', () {
       getQueryAll().addAll([
         new Element.tag('span'),
         new Element.tag('a'),
         new Element.tag('h1')
@@ skipping 28 matching lines @@
   group('_ElementList', () {
     List<Element> makeElList() => makeElementWithChildren().children;
 
     test('where', () {
       var filtered = makeElList().where((n) => n is ImageElement);
       expect(filtered.length, 1);
       expect(filtered.first, isImageElement);
       expect(filtered, isElementIterable);
     });
 
-    test('getRange', () {
-      var range = makeElList().getRange(1, 2);
+    test('sublist', () {
+      var range = makeElList().sublist(1, 3);
       expect(range, isElementList);
       expect(range[0], isImageElement);
       expect(range[1], isInputElement);
     });
   });
 }