Set the Swarm Test encoding to UTF-8

swarming.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.
 
 """Client tool to trigger tasks or retrieve results from a Swarming server."""
 
 __version__ = '0.1'
 
 import hashlib
@@ skipping 134 matching lines @@
 
   def to_json(self):
     """Exports the current configuration into a swarm-readable manifest file.
 
     This function doesn't mutate the object.
     """
     test_case = {
       'test_case_name': self._test_name,
       'data': [],
       'tests': self._tasks,
+      # TODO: Let the encoding get set from the command line.
+      'encoding': 'UTF-8',
       'env_vars': {},
       'configurations': [
         {
           'min_instances': self._shards,
           'config_name': self._target_platform,
           'priority': self.priority,
           'dimensions': {
             'os': self._target_platform,
           },
         },
@@ skipping 495 matching lines @@
     sys.stderr.write(str(e))
     sys.stderr.write('\n')
     return 1
 
 
 if __name__ == '__main__':
   fix_encoding.fix_encoding()
   tools.disable_buffering()
   colorama.init()
   sys.exit(main(sys.argv[1:]))