Store status for dart2dart tests in a separate file.

tools/testing/dart/scrub_status_file.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.
 
 /**
  * Tool for identifying stale test lines. Used when updating co19.
  *
  * Usage:
  * [: ./tools/testing/bin/$OS/dart tools/testing/dart/scrub_status_file.dart :]
  */
 
 // TODO(ahe): Consider generalizing this.
 
 #import('dart:io');
 
 #import('status_file_parser.dart');
 
 const List<String> CO19_STATUS_FILES = const <String>[
     'tests/co19/co19-compiler.status',
+    'tests/co19/co19-dart2dart.status',
     'tests/co19/co19-dart2js.status',
     'tests/co19/co19-runtime.status'];
 
 void onSectionsRead(String statusFile, List sections) {
   for (var section in sections) {
     for (var rule in section.testRules) {
       String name = rule.name;
       if (name == '*') continue;
       String path = 'tests/co19/src/$name.dart';
       File file = new File(path);
       if (!file.existsSync()) {
         print('$statusFile: $path: no such file');
       }
     }
   }
 }
 
 void readStatusFile(String path) {
   var sections = [];
   ReadConfigurationInto(path,
                         sections,
                         () => onSectionsRead(path, sections));
 }
 
 void main() {
   CO19_STATUS_FILES.forEach(readStatusFile);
 }