Record literal list type arguments and report errors when there are too many.

dart/lib/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.
 
 interface Visitor<R> {
   R visitBlock(Block node);
   R visitBreakStatement(BreakStatement node);
   R visitCascade(Cascade node);
   R visitCascadeReceiver(CascadeReceiver node);
   R visitCaseMatch(CaseMatch node);
@@ skipping 799 matching lines @@
   LiteralNull(Token token) : super(token, null);
 
   LiteralNull asLiteralNull() => this;
 
   SourceString get value => null;
 
   accept(Visitor visitor) => visitor.visitLiteralNull(this);
 }
 
 class LiteralList extends Expression {
-  final TypeAnnotation type;
+  final NodeList typeArguments;
   final NodeList elements;
 
   final Token constKeyword;
 
-  LiteralList(this.type, this.elements, this.constKeyword);
+  LiteralList(this.typeArguments, this.elements, this.constKeyword);
 
   bool isConst() => constKeyword !== null;
 
   LiteralList asLiteralList() => this;
   accept(Visitor visitor) => visitor.visitLiteralList(this);
 
   visitChildren(Visitor visitor) {
-    if (type !== null) type.accept(visitor);
+    if (typeArguments !== null) typeArguments.accept(visitor);
     elements.accept(visitor);
   }
 
   Token getBeginToken() {
     if (constKeyword !== null) return constKeyword;
-    return firstBeginToken(type, elements);
+    return firstBeginToken(typeArguments, elements);
   }
 
   Token getEndToken() => elements.getEndToken();
 }
 
 class Identifier extends Expression {
   final Token token;
 
   SourceString get source => token.value;
 
@@ skipping 912 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);
 }