Reformat untouched files.

tests/compiler/dart2js/type_mask2_test.dart

 // Copyright (c) 2014, 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 type_mask2_test;
 
 import 'dart:async';
 import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
 import 'type_test_helper.dart';
@@ skipping 68 matching lines @@
       } else {
         Expect.isFalse(union.contains(cls, closedWorld),
             '$union not expected to contain $cls.');
       }
     }
   }
   return union;
 }
 
 Future testUnionTypeMaskFlatten() async {
-  TypeEnvironment env = await TypeEnvironment.create(
-      r"""
+  TypeEnvironment env = await TypeEnvironment.create(r"""
       class A {}
       class B {}
       class C extends A {}
       class D implements A {}
       class E extends B implements A {}
-      """,
-      mainSource: r"""
+      """, mainSource: r"""
       main() {
         new A();
         new B();
         new C();
         new D();
         new E();
       }
-      """,
-      useMockCompiler: false);
+      """, useMockCompiler: false);
 
   ClosedWorld closedWorld = env.closedWorld;
 
   ClassElement Object_ = env.getElement("Object");
   ClassElement A = env.getElement("A");
   ClassElement B = env.getElement("B");
   ClassElement C = env.getElement("C");
   ClassElement D = env.getElement("D");
   ClassElement E = env.getElement("E");
 
@@ skipping 118 matching lines @@
   TypeMask subtypeString = new TypeMask.nonNullSubtype(String_, closedWorld);
   TypeMask exactJSString = new TypeMask.nonNullExact(JSString, closedWorld);
   TypeMask subtypeJSString = new TypeMask.nonNullSubtype(JSString, closedWorld);
   TypeMask subclassJSString =
       new TypeMask.nonNullSubclass(JSString, closedWorld);
 
   Expect.equals(exactJSString, subtypeString);
   Expect.equals(exactJSString, subtypeJSString);
   Expect.equals(exactJSString, subclassJSString);
 }