Use status files for DDC's presubmit script/travis bot

pkg/dev_compiler/test/multitest.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.
 
 // TODO(jmesserly): this was factored out of
 // dart-lang/sdk/tools/testing/dart/multitest.dart
 library dev_compiler.test.tools.multitest;
 
 final validMultitestOutcomes = new Set<String>.from([
   'ok',
@@ skipping 60 matching lines @@
 //   aaa
 //   eee //# 10: ok
 //   fff
 //
 // Note that it is possible to indicate more than one acceptable outcome
 // in the case of dynamic and static type warnings
 //   aaa
 //   ddd //# 07: static type warning, dynamic type error
 //   fff
 
-void extractTestsFromMultitest(String filePath, String contents,
-    Map<String, String> tests, Map<String, Set<String>> outcomes) {
+void extractTestsFromMultitest(
+    String filePath, String contents, Map<String, String> tests) {
   int first_newline = contents.indexOf('\n');
   final String line_separator =
       (first_newline == 0 || contents[first_newline - 1] != '\r')
           ? '\n'
           : '\r\n';
   List<String> lines = contents.split(line_separator);
   if (lines.last == '') lines.removeLast();
   contents = null;
 
   // Create the set of multitests, which will have a new test added each
   // time we see a multitest line with a new key.
-  Map<String, List<String>> testsAsLines = new Map<String, List<String>>();
+  var testsAsLines = new Map<String, List<String>>();
+  var outcomes = new Map<String, Set<String>>();
 
   // Add the default case with key "none".
   testsAsLines['none'] = new List<String>();
   outcomes['none'] = new Set<String>();
 
   int lineCount = 0;
   for (String line in lines) {
     lineCount++;
     var annotation = new _Annotation.from(line);
     if (annotation != null) {
@@ skipping 73 matching lines @@
     }
 
     var annotation = new _Annotation();
     annotation.key = parts[0];
     annotation.rest = parts[1];
     annotation.outcomesList =
         annotation.rest.split(',').map((s) => s.trim()).toList();
     return annotation;
   }
 }