Don't use `LinkedList` in the core libraries anymore.

tools/dom/templates/html/dart2js/html_dart2js.darttemplate

 // 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.
 
 // DO NOT EDIT - unless you are editing documentation as per:
 // https://code.google.com/p/dart/wiki/ContributingHTMLDocumentation
 // Auto-generated dart:html library.
 
 /**
  * HTML elements and other resources for web-based applications that need to
@@ skipping 15 matching lines @@
  * [Dart Editor](http://www.dartlang.org/#get-started)
  * and run its built-in examples.
  *
  * * For even more examples, see
  * [Dart HTML5 Samples](https://github.com/dart-lang/dart-html5-samples)
  * on Github.
  */
 library dart.dom.html;
 
 import 'dart:async';
-import 'dart:collection';
+import 'dart:collection' hide LinkedList, LinkedListEntry;
 import 'dart:_internal' hide Symbol;
 import 'dart:html_common';
 import 'dart:indexed_db';
 import 'dart:isolate';
 import "dart:convert";
 import 'dart:math';
 import 'dart:_native_typed_data';
 import 'dart:typed_data';
 // Not actually used, but imported since dart:html can generate these objects.
 import 'dart:svg' as svg;
@@ skipping 101 matching lines @@
 createCustomUpgrader(Type customElementClass, $this) => $this;
 
 /**
  * Emitted for any setlike IDL entry needs a callback signature.
  * Today there is only one.
  */
 @DomName('FontFaceSetForEachCallback')
 @Experimental() // untriaged
 typedef void FontFaceSetForEachCallback(
     FontFace fontFace, FontFace fontFaceAgain, FontFaceSet set);