Options parsing cleanup.

pkg/analyzer-experimental/bin/analyzer.dart

 #!/usr/bin/env dart
 
 // Copyright (c) 2013, 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.
 
 /** The entry point for the analyzer. */
 library analyzer;
 
 //import 'dart:async';
@@ skipping 18 matching lines @@
   AnalysisResult.forSuccess() : error = false;
 }
 
 
 /**
  * Runs the dart analyzer with the command-line options in [args].
  * See [CommandLineOptions] for a list of valid arguments.
  */
 Future<AnalysisResult> run(List<String> args) {
 
-  var options = CommandLineOptions.parse(args);
+  var options = new CommandLineOptions.parse(args);
   if (options == null) {
     return new Future.immediate(new AnalysisResult.forFailure());
   }
 
   //TODO(pquitslund): call out to analyzer...
 
 }