roll "common" DEPS, and replace tools/pyutils with it

gm/rebaseline_server/results.py

 #!/usr/bin/python
 
 """
 Copyright 2013 Google Inc.
 
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 
 Repackage expected/actual GM results as needed by our HTML rebaseline viewer.
 """
 
 # System-level imports
 import fnmatch
 import os
 import re
 
 # Must fix up PYTHONPATH before importing from within Skia
-# pylint: disable=W0611
-import fix_pythonpath
-# pylint: enable=W0611
+import fix_pythonpath  # pylint: disable=W0611
 
 # Imports from within Skia
 import gm_json
 import imagepairset
 
 # Keys used to link an image to a particular GM test.
 # NOTE: Keep these in sync with static/constants.js
 VALUE__HEADER__SCHEMA_VERSION = 4
 KEY__EXPECTATIONS__BUGS = gm_json.JSONKEY_EXPECTEDRESULTS_BUGS
 KEY__EXPECTATIONS__IGNOREFAILURE = gm_json.JSONKEY_EXPECTEDRESULTS_IGNOREFAILURE
@@ skipping 275 matching lines @@
 
   @staticmethod
   def get_multilevel(input_dict, *keys):
     """ Returns input_dict[key1][key2][...], or None if any key is not found.
     """
     for key in keys:
       if input_dict == None:
         return None
       input_dict = input_dict.get(key, None)
     return input_dict