Format all tests.

tests/language/implicit_closure_test.dart

 // Copyright (c) 2011, 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.
 // Dart test program for testing invocation of implicit closures.
 // VMOptions=
 // VMOptions=--use_slow_path
 
 import "package:expect/expect.dart";
 
 class First {
   First(this.i) {}
   var b;
-  int foo() { return i; }
+  int foo() {
+    return i;
+  }
+
   Function foo1() {
     local() {
       return i;
     }
+
     return local;
   }
+
   int i;
 }
 
 class ImplicitClosureTest {
   static void testMain() {
     First obj = new First(20);
 
     Function func = () => obj.i;
     obj.b = func;
     Expect.equals(20, obj.b());
 
     var ib1 = obj.foo1();
     Expect.equals(obj.i, ib1());
 
     var ib = obj.foo;
     Expect.equals(obj.i, ib());
   }
 }
 
-
 main() {
   ImplicitClosureTest.testMain();
 }