Switch test server to new-style "device gone" status code.

net/tools/testserver/device_management.py

 #!/usr/bin/python2.5
 # 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.
 
 """A bare-bones test server for testing cloud policy support.
 
 This implements a simple cloud policy test server that can be used to test
 chrome's device management service client. The policy information is read from
 the file named device_management in the server's data directory. It contains
@@ skipping 515 matching lines @@
                      self._headers.getheader('Authorization', ''))
     if match:
       dmtoken = match.group(1)
     if not dmtoken:
       error = 401
     else:
       token_info = self._server.LookupToken(dmtoken)
       if (not token_info or
           not request_device_id or
           token_info['device_id'] != request_device_id):
-        error = 901
+        error = 410
       else:
         return (token_info, None)
 
     logging.debug('Token check failed with error %d' % error)
 
     return (None, (error, 'Server error %d' % error))
 
   def DumpMessage(self, label, msg):
     """Helper for logging an ASCII dump of a protobuf message."""
     logging.debug('%s\n%s' % (label, str(msg)))
@@ skipping 113 matching lines @@
     return self._registered_tokens.get(dmtoken, None)
 
   def UnregisterDevice(self, dmtoken):
     """Unregisters a device identified by the given DM token.
 
     Args:
       dmtoken: The device management token provided by the client.
     """
     if dmtoken in self._registered_tokens.keys():
       del self._registered_tokens[dmtoken]