Change imports etc to new syntax.

utils/testrunner/utils.dart

 // Copyright (c) 2012, 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.
 
+part of testrunner;
+
 /**
  * Read the contents of a file [fileName] into a [List] of [String]s.
  * If the file does not exist and [errorIfNoFile] is true, throw an
  * exception, else return an empty list.
  */
 List<String> getFileContents(String filename, bool errorIfNoFile) {
   File f = new File(filename);
   if (!f.existsSync()) {
     if (errorIfNoFile) {
       throw new Exception('Config file $filename not found.');
@@ skipping 65 matching lines @@
  * Get the directory that testrunner lives in; we need it to import
  * support files into the generated scripts.
  */
 
 String get runnerDirectory() {
   var libDirectory = makePathAbsolute(new Options().script);
   return libDirectory.substring(0,
       libDirectory.lastIndexOf(Platform.pathSeparator));
 }