Remove X-Retry-After support.

net/tools/testserver/backoff_server.py

 #!/usr/bin/env python
 # Copyright (c) 2011 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 server for manually testing exponential
 back-off functionality in Chrome.
 """
 
 
@@ skipping 60 matching lines @@
       self.send_response(200)
       self.send_header('Content-Type', 'text/html')
       self.end_headers()
       self.wfile.write(AJAX_TEST_PAGE % (self.local_ip,
                                          self.port,
                                          self.path[6:]))
       return
 
     params = urlparse.parse_qs(urlparse.urlparse(self.path).query)
 
-    def SendCustomRetryIfRequested():
-      if params and 'custom-retry-after' in params:
-        custom_retry = params['custom-retry-after'][0]
-        self.send_header('X-Retry-After', custom_retry)
-
     if not params or not 'code' in params or params['code'][0] == '200':
       self.send_response(200)
       self.send_header('Content-Type', 'text/plain')
-      SendCustomRetryIfRequested()
       self.end_headers()
       self.wfile.write('OK')
     else:
       status_code = int(params['code'][0])
       self.send_response(status_code)
-      SendCustomRetryIfRequested()
       self.end_headers()
       self.wfile.write('Error %d' % int(status_code))
 
 
 def main():
   if len(sys.argv) != 3:
     print "Usage: %s LOCAL_IP PORT" % sys.argv[0]
     sys.exit(1)
   RequestHandler.local_ip = sys.argv[1]
   port = int(sys.argv[2])
   RequestHandler.port = port
   print "To stop the server, go to http://localhost:%d/quitquitquit" % port
   httpd = BaseHTTPServer.HTTPServer(('', port), RequestHandler)
   while RequestHandler.keep_running:
     httpd.handle_request()
 
 
 if __name__ == '__main__':
   main()