Re-land "Format all multitests"

tests/language_strong/deferred_inheritance_constraints_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.
 
 import "package:expect/expect.dart";
 import "deferred_inheritance_constraints_lib.dart" deferred as lib;
 
 class Foo {}
+
 class Foo2 extends D {}
- 
-class A extends 
+
+class A extends
   lib. //# extends: compile-time error
-  Foo {} 
-class B implements 
+    Foo {}
+
+class B
+    implements
   lib. //# implements: compile-time error
-  Foo {}
+        Foo {}
+
 class C1 {}
-class C = C1 with 
+
+class C = C1
+    with
   lib. //# mixin: compile-time error
-  Foo; 
+        Foo;
 
-class D { 
-  D() ;
-  factory D.factory() = 
+class D {
+  D();
+  factory D.factory() =
     lib. //# redirecting_constructor: static type warning
-    Foo2;
+      Foo2;
 }
 
 void main() {
   new A();
   new B();
   new C();
   Expect.throws(() { //# redirecting_constructor: continued
-    new D.factory();
+  new D.factory();
   }); //# redirecting_constructor: continued
-}
+}