Added support for running an HTTP server during the test and being able to serve up static files. L…

utils/testrunner/html_wrap_task.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.
 
 /**
  * A pipeline task to create a HTML/CSS wrapper for a test so it can run in DRT.
  */
 class HtmlWrapTask extends PipelineTask {
   final String _testFileTemplate;
   final String _htmlSourceFileTemplate;
   final String _htmlDestFileTemplate;
   final String _cssSourceFileTemplate;
   final String _cssDestFileTemplate;
 
   HtmlWrapTask(this._testFileTemplate, this._htmlSourceFileTemplate,
       this._htmlDestFileTemplate, this._cssSourceFileTemplate,
       this._cssDestFileTemplate);
 
-  void execute(Path testfile, List stdout, List stderr, bool logging,
+  execute(Path testfile, List stdout, List stderr, bool logging,
               Function exitHandler) {
     var testname = expandMacros(_testFileTemplate, testfile);
 
     // If the test already has a corresponding HTML file we copy that,
     // else we create a new wrapper.
     var htmlSourceName = expandMacros(_htmlSourceFileTemplate, testfile);
     var htmlDestName = expandMacros(_htmlDestFileTemplate, testfile);
     var cssSourceName = expandMacros(_cssSourceFileTemplate, testfile);
     var cssDestName = expandMacros(_cssDestFileTemplate, testfile);
 
@@ skipping 114 matching lines @@
     }
     exitHandler(0);
   }
 
   void cleanup(Path testfile, List stdout, List stderr,
                bool logging, bool keepFiles) {
     deleteFiles([_htmlDestFileTemplate, _cssDestFileTemplate], testfile,
         logging, keepFiles, stdout);
   }
 }