Change imports etc to new syntax.

utils/testrunner/testrunner.dart

Index: utils/testrunner/testrunner.dart
===================================================================
--- utils/testrunner/testrunner.dart	(revision 13269)
+++ utils/testrunner/testrunner.dart	(working copy)
@@ -70,14 +70,14 @@
  */
 
 // TODO - layout tests that use PNGs rather than DRT text render dumps.
-#library('testrunner');
-#import('dart:io');
-#import('dart:isolate');
-#import('dart:math');
-#import('../../pkg/args/lib/args.dart');
+library testrunner;
+import 'dart:io';
+import 'dart:isolate';
+import 'dart:math';
+import '../../pkg/args/lib/args.dart';
 
-#source('options.dart');
-#source('utils.dart');
+part 'options.dart';
+part 'utils.dart';
 
 /** The set of [PipelineRunner]s to execute. */
 List _tasks;