Add LogDog / annotation protobuf support.

recipe_engine/step_runner.py

 # Copyright 2016 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 import StringIO
 import collections
 import contextlib
 import datetime
 import json
 import os
@@ skipping 378 matching lines @@
   """Pretends to run steps, instead recording what would have been run.
 
   This is the main workhorse of recipes.py simulation_test.  Returns the log of
   steps that would have been run in steps_ran.  Uses test_data to mock return
   values.
   """
 
   # List of attributes in a recipe_api.StepConfig to omit when rendering
   # step history.
   _STEP_CONFIG_RENDER_BLACKLIST = set((
+      'base_name',
       'nest_level',
       'ok_ret',
       'infra_step',
       'step_test_data',
   ))
 
   def __init__(self, stream_engine, test_data, annotator):
     self._test_data = test_data
     self._stream_engine = stream_engine
     self._annotator = annotator
@@ skipping 271 matching lines @@
   supplied command, and only uses the |env| kwarg for modifying the environment
   of the child process.
   """
   saved_path = os.environ['PATH']
   try:
     if path is not None:
       os.environ['PATH'] = path
     yield
   finally:
     os.environ['PATH'] = saved_path