Prefix resolution_types with Resolution.

tests/compiler/dart2js/flatten_test.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.
 
 library flatten_test;
 
 import 'package:expect/expect.dart';
 import "package:async_helper/async_helper.dart";
 import 'type_test_helper.dart';
 import 'package:compiler/src/elements/resolution_types.dart';
 import "package:compiler/src/elements/elements.dart" show Element, ClassElement;
 
 void main() {
   asyncTest(() => TypeEnvironment.create(r"""
       abstract class F<T> implements Future<T> {}
       abstract class G<T> implements Future<G<T>> {}
       abstract class H<T> implements Future<H<H<T>>> {}
       """).then((env) {
-        void check(DartType T, DartType expectedFlattenedType) {
-          DartType flattenedType = env.flatten(T);
+        void check(
+            ResolutionDartType T, ResolutionDartType expectedFlattenedType) {
+          ResolutionDartType flattenedType = env.flatten(T);
           Expect.equals(
               expectedFlattenedType,
               flattenedType,
               "Unexpected flattening of '$T' = '$flattenedType',"
               "expected '$expectedFlattenedType'.");
         }
 
         ClassElement Future_ = env.getElement('Future');
         ClassElement F = env.getElement('F');
         ClassElement G = env.getElement('G');
         ClassElement H = env.getElement('H');
-        DartType int_ = env['int'];
-        DartType dynamic_ = env['dynamic'];
-        DartType Future_int = instantiate(Future_, [int_]);
-        DartType F_int = instantiate(F, [int_]);
-        DartType G_int = instantiate(G, [int_]);
-        DartType H_int = instantiate(H, [int_]);
-        DartType H_H_int = instantiate(H, [H_int]);
+        ResolutionDartType int_ = env['int'];
+        ResolutionDartType dynamic_ = env['dynamic'];
+        ResolutionDartType Future_int = instantiate(Future_, [int_]);
+        ResolutionDartType F_int = instantiate(F, [int_]);
+        ResolutionDartType G_int = instantiate(G, [int_]);
+        ResolutionDartType H_int = instantiate(H, [int_]);
+        ResolutionDartType H_H_int = instantiate(H, [H_int]);
 
         // flatten(int) = int
         check(int_, int_);
 
         // flatten(Future) = dynamic
         check(Future_.rawType, dynamic_);
 
         // flatten(Future<int>) = int
         check(Future_int, int_);
 
@@ skipping 24 matching lines @@
         // flatten(Future<F<int>>) = int
         check(instantiate(Future_, [F_int]), int_);
 
         // flatten(Future<G<int>>) = int
         check(instantiate(Future_, [G_int]), G_int);
 
         // flatten(Future<H<int>>) = int
         check(instantiate(Future_, [H_int]), H_H_int);
       }));
 }