Remove addLast from List.

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 160 matching lines @@
       expect(node.nodes[1], isHRElement);
       expect(node.nodes[2], isComment);
     });
 
     test('add', () {
       var node = makeNode();
       node.nodes.add(new Element.tag('hr'));
       expect(node.nodes.last, isHRElement);
     });
 
-    test('addLast', () {
-      var node = makeNode();
-      node.nodes.addLast(new Element.tag('hr'));
-      expect(node.nodes.last, isHRElement);
-    });
-
     test('iterator', () {
       var nodes = [];
       var node = makeNodeWithChildren();
       for (var subnode in node.nodes) {
         nodes.add(subnode);
       }
       expect(nodes[0], isText);
       expect(nodes[1], isBRElement);
       expect(nodes[2], isComment);
     });
@@ skipping 79 matching lines @@
     });
 
     test('sublist', () {
       var range = makeNodeList().sublist(1, 3);
       expect(range, isNodeList);
       expect(range[0], isBRElement);
       expect(range[1], isComment);
     });
   });
 }