Change Link to List in FunctionSignature.

pkg/compiler/lib/src/mirrors/dart2js_mirrors.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.
 
 library dart2js.mirrors;
 
 import 'dart:collection' show UnmodifiableListView, UnmodifiableMapView;
 
 import '../constants/expressions.dart';
 import '../constants/values.dart';
@@ skipping 26 matching lines @@
 }
 
 bool _isPrivate(String name) {
   return name.startsWith('_');
 }
 
 List<ParameterMirror> _parametersFromFunctionSignature(
     Dart2JsDeclarationMirror owner,
     FunctionSignature signature) {
   var parameters = <ParameterMirror>[];
-  Link<Element> link = signature.requiredParameters;
-  while (!link.isEmpty) {
+  signature.requiredParameters.forEach((FormalElement parameter) {
     parameters.add(new Dart2JsParameterMirror(
-        owner, link.head, isOptional: false, isNamed: false));
-    link = link.tail;
-  }
-  link = signature.optionalParameters;
+        owner, parameter, isOptional: false, isNamed: false));
+  });
   bool isNamed = signature.optionalParametersAreNamed;
-  while (!link.isEmpty) {
+  signature.optionalParameters.forEach((FormalElement parameter) {
     parameters.add(new Dart2JsParameterMirror(
-        owner, link.head, isOptional: true, isNamed: isNamed));
-    link = link.tail;
-  }
+        owner, parameter, isOptional: true, isNamed: isNamed));
+  });
   return parameters;
 }
 
 MethodMirror _convertElementMethodToMethodMirror(
     Dart2JsDeclarationMirror library, Element element) {
   if (element is FunctionElement) {
     return new Dart2JsMethodMirror(library, element);
   } else {
     return null;
   }
@@ skipping 406 matching lines @@
     if (!parameter.hasDefaultValue) return null;
     ParameterElement parameterElement = parameter._element;
     Compiler compiler = parameter.mirrorSystem.compiler;
     return compiler.constants.getConstantForVariable(parameterElement);
   }
 
   static Mirror getMirrorFromElement(Dart2JsMirror mirror, Element element) {
     return _convertElementToDeclarationMirror(mirror.mirrorSystem, element);
   }
 }