Run formatter on a few frontend and kernel files that hadn't been formatted.

pkg/front_end/testcases/functions.dart

 // Copyright (c) 2016, 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.
 
 main() {
   void local(void f({a})) {
     f(a: "Hello, World");
     f();
   }
+
   local(({a: "Default greeting!"}) {
     print(a);
   });
 }