net: Add SetUploadStream method to URLFetcher.

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 656 matching lines @@
       self.rfile.read(2)
     return body
 
   def EchoHandler(self):
     """This handler just echoes back the payload of the request, for testing
     form submission."""
 
     if not self._ShouldHandleRequest("/echo"):
       return False
 
-    self.send_response(200)
+    _, _, _, _, query, _ = urlparse.urlparse(self.path)
+    query_params = cgi.parse_qs(query, True)
+    if 'status' in query_params:
+      self.send_response(int(query_params['status'][0]))
+    else:
+      self.send_response(200)
     self.send_header('Content-Type', 'text/html')
     self.end_headers()
     self.wfile.write(self.ReadRequestBody())
     return True
 
   def EchoTitleHandler(self):
     """This handler is like Echo, but sets the page title to the request."""
 
     if not self._ShouldHandleRequest("/echotitle"):
       return False
@@ skipping 1588 matching lines @@
     self.option_parser.add_option('--ocsp-server-unavailable',
                                   dest='ocsp_server_unavailable',
                                   default=False, action='store_true',
                                   help='If set, the OCSP server will return '
                                   'a tryLater status rather than the actual '
                                   'OCSP response.')
 
 
 if __name__ == '__main__':
   sys.exit(ServerRunner().main())