Small-scale clean ups in test.dart, mainly around test_progress.

tools/testing/dart/http_server.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.
 
 library http_server;
 
 import 'dart:async';
 import 'dart:io';
 
 import 'dart:convert' show HtmlEscape;
@@ skipping 159 matching lines @@
     if (_packages != null) {
       _resolver = await SyncPackageResolver.loadConfig(_packages);
     } else {
       _resolver = new SyncPackageResolver.root(_packageRoot);
     }
     _server = await _startHttpServer(host, port: port);
     await _startHttpServer(host,
         port: crossOriginPort, allowedPort: _serverList[0].port);
   }
 
-  String httpServerCommandline() {
+  String httpServerCommandLine() {
     var dart = Platform.resolvedExecutable;
     var script = _dartDirectory.resolve('tools/testing/dart/http_server.dart');
     var buildDirectory = _buildDirectory.toFilePath();
     var command = [
       dart,
       script.toFilePath(),
       '-p',
       port,
       '-c',
       crossOriginPort,
@@ skipping 272 matching lines @@
 class _Entry implements Comparable {
   final String name;
   final String displayName;
 
   _Entry(this.name, this.displayName);
 
   int compareTo(_Entry other) {
     return name.compareTo(other.name);
   }
 }