Revert of ensure_goma for goma canary

scripts/slave/recipe_modules/chromium_tests/api.py

 # Copyright 2014 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.
 
 import collections
 import contextlib
 import copy
 import itertools
 import json
 
@@ skipping 113 matching lines @@
 
     for c in bot_config.get('gclient_apply_config', []):
       self.m.gclient.apply_config(c)
 
     # WARNING: src-side runtest.py is only tested with chromium CQ builders.
     # Usage not covered by chromium CQ is not supported and can break
     # without notice.
     if bot_config.get_master_setting('src_side_runtest_py'):
       self.m.chromium.c.runtest_py.src_side = True
 
-    # TODO(ukai): switch to ensure_goma in chromium/api.py
     if bot_config.get('goma_canary'):
       self.m.goma.update_goma_canary()
 
     bot_type = override_bot_type or bot_config.get('bot_type', 'builder_tester')
 
     if bot_config.get('set_component_rev'):
       # If this is a component build and the main revision is e.g. blink,
       # webrtc, or v8, the custom deps revision of this component must be
       # dynamically set to either:
       # (1) the revision of the builder if this is a tester,
@@ skipping 691 matching lines @@
   def get_compile_targets_for_scripts(self):
     return self.m.python(
         name='get compile targets for scripts',
         script=self.m.path['checkout'].join(
             'testing', 'scripts', 'get_compile_targets.py'),
         args=[
             '--output', self.m.json.output(),
             '--',
         ] + self.get_common_args_for_scripts(),
         step_test_data=lambda: self.m.json.test_api.output({}))