Suppress unnamed library analyzer spam in shelldb

sky/tools/shelldb

 #!/usr/bin/env python
 # Copyright 2015 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.
 
 from skypy.skyserver import SkyServer
 import argparse
 import json
 import logging
 import os
@@ skipping 29 matching lines @@
   re.compile(r'^$'),
   re.compile(r'^Analyzing \['),
   re.compile(r'^No issues found'),
   re.compile(r'^[0-9]+ errors? and [0-9]+ warnings? found.'),
   re.compile(r'^([0-9]+|No) (error|warning|issue)s? found.'),
 
   # TODO: Remove once sdk-extensions are in place
   re.compile(r'^\[error\] Native functions can only be declared in'),
   # TODO: Remove this once dev SDK includes Uri.directory constructor.
   re.compile(r'.*The class \'Uri\' does not have a constructor \'directory\''),
+  # TODO: Remove this once Sky no longer generates this warning.
+  # dartbug.com/22836
+  re.compile(r'.*cannot both be unnamed'),
 ]
 
 # This 'strict dictionary' approach is useful for catching typos.
 class Pids(object):
     def __init__(self, known_keys, contents=None):
         self._known_keys = known_keys
         self._dict = contents if contents is not None else {}
 
     def __len__(self):
         return len(self._dict)
@@ skipping 271 matching lines @@
         args = parser.parse_args()
         pids = Pids.read_from(PID_FILE_PATH, PID_FILE_KEYS)
         exit_code = args.func(args, pids)
         # We could do this with an at-exit handler instead?
         pids.write_to(PID_FILE_PATH)
         sys.exit(exit_code)
 
 
 if __name__ == '__main__':
     SkyShellRunner().main()