Fix uploading with non deprecated master names.

Tools/TestResultServer/handlers/testfilehandler.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 232 matching lines @@
             self.response.out.write("FAIL: missing builder parameter.")
             return
 
         master_parameter = self.request.get(PARAM_MASTER)
 
         master_data = master_config.getMasterByMasterName(master_parameter)
         if master_data:
             deprecated_master = master_parameter
             master = master_data['url_name']
         else:
+            deprecated_master = None
             master = master_parameter
 
         test_type = self.request.get(PARAM_TEST_TYPE)
 
         logging.debug(
             "Processing upload request, master: %s, builder: %s, test_type: %s.",
             master, builder, test_type)
 
         # There are two possible types of each file_params in the request:
         # one file item or a list of file items.
@@ skipping 52 matching lines @@
 
 class UploadForm(webapp2.RequestHandler):
     """Show a form so user can upload a file."""
 
     def get(self):
         template_values = {
             "upload_url": "/testfile/upload",
         }
         self.response.out.write(template.render("templates/uploadform.html",
                                                 template_values))