Fix a type annotation.

pkg/compiler/lib/src/cps_ir/cps_ir_nodes.dart

 // Copyright (c) 2013, 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.
 
 // IrNodes are kept in a separate library to have precise control over their
 // dependencies on other parts of the system.
 library dart2js.ir_nodes;
 
 import '../constants/expressions.dart';
 import '../constants/values.dart' as values show ConstantValue;
@@ skipping 689 matching lines @@
                         List<ConstDeclaration> localConstants,
                         List<ConstantExpression> defaultParameterValues,
                         List<ClosureVariable> closureVariables)
       : super(element, parameters, body, localConstants,
               defaultParameterValues, closureVariables);
 
   // 'Abstract' here means "has no body" and is used to represent external
   // constructors.
   ConstructorDefinition.abstract(
       ConstructorElement element,
-      List<Parameter> parameters,
+      List<Definition> parameters,
       List<ConstantExpression> defaultParameterValues)
       : initializers = null,
         super.abstract(element, parameters, defaultParameterValues);
 
   accept(Visitor visitor) => visitor.visitConstructorDefinition(this);
   applyPass(Pass pass) => pass.rewriteConstructorDefinition(this);
 }
 
 List<Reference<Primitive>> _referenceList(Iterable<Primitive> definitions) {
   return definitions.map((e) => new Reference<Primitive>(e)).toList();
@@ skipping 484 matching lines @@
 
   void visitIdentical(Identical node) {
     visitReference(node.left);
     visitReference(node.right);
   }
 
   void visitInterceptor(Interceptor node) {
     visitReference(node.input);
   }
 }