Update from chromium 62675d9fb31fb8cedc40f68e78e8445a74f362e7

net/tools/testserver/testserver.py

 #!/usr/bin/env python
 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """This is a simple HTTP/FTP/TCP/UDP/BASIC_AUTH_PROXY/WEBSOCKET server used for
 testing Chrome.
 
 It supports several test URLs, as specified by the handlers in TestPageHandler.
 By default, it listens on an ephemeral port and sends the port number back to
@@ skipping 340 matching lines @@
     head_handlers = [
       self.FileHandler,
       self.DefaultResponseHandler]
 
     self._mime_types = {
       'crx' : 'application/x-chrome-extension',
       'exe' : 'application/octet-stream',
       'gif': 'image/gif',
       'jpeg' : 'image/jpeg',
       'jpg' : 'image/jpeg',
+      'js' : 'application/javascript',
       'json': 'application/json',
       'pdf' : 'application/pdf',
       'txt' : 'text/plain',
       'wav' : 'audio/wav',
       'xml' : 'text/xml'
     }
     self._default_mime_type = 'text/html'
 
     testserver_base.BasePageHandler.__init__(self, request, client_address,
                                              socket_server, connect_handlers,
@@ skipping 1895 matching lines @@
     self.option_parser.add_option('--file-root-url', default='/files/',
                                   help='Specify a root URL for files served.')
     # TODO(ricea): Generalize this to support basic auth for HTTP too.
     self.option_parser.add_option('--ws-basic-auth', action='store_true',
                                   dest='ws_basic_auth',
                                   help='Enable basic-auth for WebSocket')
 
 
 if __name__ == '__main__':
   sys.exit(ServerRunner().main())