Add both sync and async methods for getting streams for a File

tools/testing/dart/status_file_parser.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.
 
 #library("status_file_parser");
 
 #import("dart:io");
 #import("status_expression.dart");
 
 // Possible outcomes of running a test.
@@ skipping 41 matching lines @@
   }
 
   ReadConfigurationInto(statusFilePath, sections, sectionsRead);
 }
 
 void ReadConfigurationInto(path, sections, onDone) {
   File file = new File(path);
   if (!file.existsSync()) {
     throw new Exception('Cannot find test status file $path');
   }
-  InputStream file_stream = file.openInputStream();
+  // TODO(XXX): When the checked in binary is updated to include the

[Mads Ager (google), 2012/02/22 13:20:20]

Will you do this as part of committing this?

[Søren Gjesse, 2012/02/22 14:03:18]

No, I would rather postpone until after finishing porting to native ports. Filed
1797 and changed XXX to 1797.

+  // openInputStreamSync API remove this try/catch.
+  InputStream file_stream;
+  try {
+    file_stream = file.openInputStreamSync();
+  } catch (NoSuchMethodException e) {
+    file_stream = file.openInputStream();
+  }
   StringInputStream lines = new StringInputStream(file_stream);
 
   Section current = new Section.always();
   sections.add(current);
   String prefix = "";
 
   lines.lineHandler = () {
     String line;
     while ((line = lines.readLine()) != null) {
       Match match = StripComment.firstMatch(line);
@@ skipping 132 matching lines @@
         }
         regExps[i] = regExp;
       }
       _keyToRegExps[key] = regExps;
     });
 
     _regExpCache = null;
     _preprocessed = true;
   }
 }