Reformat untouched files.

tests/compiler/dart2js/mixin_typevariable_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 mixin_typevariable_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 ClassElement;
 
 void main() {
   testMixinSupertypes();
   testNonTrivialSubstitutions();
 }
 
 void testMixinSupertypes() {
-  asyncTest(() => TypeEnvironment
-          .create(
-              r"""
+  asyncTest(() => TypeEnvironment.create(r"""
       class S<S_T> {}
       class M1<M1_T> {}
       class M2<M2_T> {}
       class M3<M3_T> {}
 
       class C1<C1_T> extends S<C1_T> with M1<C1_T>, M2<C1_T>, M3<C1_T> {}
       class C2<C2_T> = S<C2_T> with M1<C2_T>, M2<C2_T>, M3<C2_T>;
-      """,
-              expectNoWarningsOrErrors: true)
-          .then((env) {
+      """, expectNoWarningsOrErrors: true).then((env) {
         ClassElement Object = env.getElement('Object');
         ClassElement S = env.getElement('S');
         ClassElement M1 = env.getElement('M1');
         ClassElement M2 = env.getElement('M2');
         ClassElement C1 = env.getElement('C1');
         ClassElement C2 = env.getElement('C2');
 
         ClassElement C1_S_M1_M2_M3 = C1.superclass;
         ClassElement C1_S_M1_M2 = C1_S_M1_M2_M3.superclass;
         ClassElement C1_S_M1 = C1_S_M1_M2.superclass;
@@ skipping 26 matching lines @@
         testSupertypes(C1_S_M1_M2);
         testSupertypes(C1_S_M1_M2_M3);
         testSupertypes(C1);
         testSupertypes(C2_S_M1);
         testSupertypes(C2_S_M1_M2);
         testSupertypes(C2);
       }));
 }
 
 void testNonTrivialSubstitutions() {
-  asyncTest(() => TypeEnvironment
-          .create(
-              r"""
+  asyncTest(() => TypeEnvironment.create(r"""
       class _ {}
       class A<A_T> {}
       class B<B_T, B_S> {}
 
       class C1<C1_T> extends A with B {}
       class C2<C2_T> = A with B;
 
       class D1<D1_T> extends A<D1_T> with B<D1_T, A<D1_T>> {}
       class D2<D2_T> = A<D2_T> with B<D2_T, A<D2_T>>;
 
       class E1<E1_T> extends A<_> with B<_, A<_>> {}
       class E2<E2_T> = A<_> with B<_, A<_>>;
 
       class F1<F1_T> extends A<_> with B<_, B<F1_T, _>> {}
       class F2<F2_T> = A<_> with B<_, B<F2_T, _>>;
-      """,
-              expectNoWarningsOrErrors: true)
-          .then((env) {
+      """, expectNoWarningsOrErrors: true).then((env) {
         ResolutionDartType _dynamic = env['dynamic'];
         ResolutionDartType _ = env['_'];
 
         ClassElement Object = env.getElement('Object');
         ClassElement A = env.getElement('A');
         ClassElement B = env.getElement('B');
         ClassElement C1 = env.getElement('C1');
         ClassElement C2 = env.getElement('C2');
         ClassElement D1 = env.getElement('D1');
         ClassElement D2 = env.getElement('D2');
@@ skipping 104 matching lines @@
         ResolutionDartType F2_T = F2.typeVariables.first;
         testSupertypes(F2, {
           A: [_],
           B: [
             _,
             instantiate(B, [F2_T, _])
           ]
         });
       }));
 }