Use List instead of Link in the type system.

sdk/lib/_internal/compiler/implementation/resolution/class_members.dart

Index: sdk/lib/_internal/compiler/implementation/resolution/class_members.dart
diff --git a/sdk/lib/_internal/compiler/implementation/resolution/class_members.dart b/sdk/lib/_internal/compiler/implementation/resolution/class_members.dart
index d04aa1a3c01881cbc908de7b7eb842dc11d1cf0c..8bd0042787852782b3a1048f57d6ecd42636fb28 100644
--- a/sdk/lib/_internal/compiler/implementation/resolution/class_members.dart
+++ b/sdk/lib/_internal/compiler/implementation/resolution/class_members.dart
@@ -194,7 +194,7 @@ abstract class MembersCreator {
             addDeclaredMember(name.setter, type,
                 new FunctionType.synthesized(
                                  const VoidType(),
-                                 const Link<DartType>().prepend(type)));
+                                 <DartType>[type]));
           }
         } else if (element.isGetter) {
           FunctionType functionType = element.computeType(compiler);
@@ -204,7 +204,7 @@ abstract class MembersCreator {
           FunctionType functionType = element.computeType(compiler);
           DartType type;
           if (!functionType.parameterTypes.isEmpty) {
-            type = functionType.parameterTypes.head;
+            type = functionType.parameterTypes.first;
           } else {
             type = const DynamicType();
           }
@@ -726,8 +726,8 @@ class InterfaceMembersCreator extends MembersCreator {
         FunctionType type = member.type;
         type.namedParameters.forEach(
             (String name) => names.add(name));
-        requiredParameters = type.parameterTypes.slowLength();
-        optionalParameters = type.optionalParameterTypes.slowLength();
+        requiredParameters = type.parameterTypes.length;
+        optionalParameters = type.optionalParameterTypes.length;
       }
       int positionalParameters = requiredParameters + optionalParameters;
       if (minRequiredParameters == null ||
@@ -744,25 +744,15 @@ class InterfaceMembersCreator extends MembersCreator {
     // TODO(johnniwinther): Support function types with both optional
     // and named parameters?
     if (optionalParameters == 0 || names.isEmpty) {
-      Link<DartType> requiredParameterTypes = const Link<DartType>();
-      while (--minRequiredParameters >= 0) {
-        requiredParameterTypes =
-            requiredParameterTypes.prepend(const DynamicType());
-      }
-      Link<DartType> optionalParameterTypes = const Link<DartType>();
-      while (--optionalParameters >= 0) {
-        optionalParameterTypes =
-            optionalParameterTypes.prepend(const DynamicType());
-      }
-      Link<String> namedParameters = const Link<String>();
-      Link<DartType> namedParameterTypes = const Link<DartType>();
-      List<String> namesReversed =
-          names.toList()..sort((a, b) => -a.compareTo(b));
-      for (String name in namesReversed) {
-        namedParameters = namedParameters.prepend(name);
-        namedParameterTypes =
-            namedParameterTypes.prepend(const DynamicType());
-      }
+      DartType dynamic = const DynamicType();
+      List<DartType> requiredParameterTypes =
+          new List.filled(minRequiredParameters, dynamic);
+      List<DartType> optionalParameterTypes =
+          new List.filled(optionalParameters, dynamic);
+      List<String> namedParameters =
+          names.toList()..sort((a, b) => a.compareTo(b));
+      List<DartType> namedParameterTypes =
+          new List.filled(namedParameters.length, dynamic);
       FunctionType memberType = new FunctionType.synthesized(
           const DynamicType(),
           requiredParameterTypes,