Move spaces from before comments to within comments

tests/standalone/io/stdio_implicit_close_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.
 
 // OtherResources=stdio_implicit_close_script.dart
 
 import "package:async_helper/async_helper.dart";
 import "package:expect/expect.dart";
 import "dart:convert";
 import "dart:io";
 
 void test({bool closeStdout, bool closeStderr}) {
   var scriptFile = "stdio_implicit_close_script.dart";
   var script = Platform.script.resolve(scriptFile).toFilePath();
 
   // Relying on these flags to print something specific on stdout and stderr
   // is brittle, but otherwise we would need to add our own flag.
   var arguments = [
       "--print-metrics",  // Prints on stderr.
-      "--timing",         // Prints on stdout.
+      "--timing", //         Prints on stdout.
       script,
   ];
   if (closeStdout) arguments.add("stdout");
   if (closeStderr) arguments.add("stderr");
 
   asyncStart();
   Process.run(Platform.executable,
               arguments,
               stdoutEncoding: ASCII,
               stderrEncoding: ASCII).then((result) {
@@ skipping 18 matching lines @@
 }
 
 void main() {
   asyncStart();
   test(closeStdout: false, closeStderr: false);
   test(closeStdout: false, closeStderr: true);
   test(closeStdout: true, closeStderr: false);
   test(closeStdout: true, closeStderr: true);
   asyncEnd();
 }