Switch dart2js 'typedef name = mixinApplication' to 'class name = mixinApplication'.

sdk/lib/_internal/compiler/implementation/tree/nodes.dart

 // 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.
 
 part of tree;
 
 abstract class Visitor<R> {
   const Visitor();
 
   R visitNode(Node node);
@@ skipping 249 matching lines @@
 // TODO(kasperl): Let this share some structure with the typedef for function
 // type aliases?
 class NamedMixinApplication extends Node implements MixinApplication {
   final Identifier name;
   final NodeList typeParameters;
 
   final Modifiers modifiers;
   final MixinApplication mixinApplication;
   final NodeList interfaces;
 
-  final Token typedefKeyword;
+  final Token classKeyword;
   final Token endToken;
 
   NamedMixinApplication(this.name, this.typeParameters,
                         this.modifiers, this.mixinApplication, this.interfaces,
-                        this.typedefKeyword, this.endToken);
+                        this.classKeyword, this.endToken);
 
   TypeAnnotation get superclass => mixinApplication.superclass;
   NodeList get mixins => mixinApplication.mixins;
 
   MixinApplication asMixinApplication() => this;
   NamedMixinApplication asNamedMixinApplication() => this;
 
   accept(Visitor visitor) => visitor.visitNamedMixinApplication(this);
 
   visitChildren(Visitor visitor) {
     name.accept(visitor);
     if (typeParameters != null) typeParameters.accept(visitor);
     if (modifiers != null) modifiers.accept(visitor);
     if (interfaces != null) interfaces.accept(visitor);
     mixinApplication.accept(visitor);
   }
 
-  Token getBeginToken() => typedefKeyword;
+  Token getBeginToken() => classKeyword;
   Token getEndToken() => endToken;
 }
 
 abstract class Expression extends Node {
   Expression();
 
   Expression asExpression() => this;
 
   // TODO(ahe): make class abstract instead of adding an abstract method.
   accept(Visitor visitor);
@@ skipping 1773 matching lines @@
  * argument).
  *
  * TODO(ahe): This method is controversial, the team needs to discuss
  * if top-level methods are acceptable and what naming conventions to
  * use.
  */
 initializerDo(Node node, f(Node node)) {
   SendSet send = node.asSendSet();
   if (send != null) return f(send.arguments.head);
 }