Move builders.py and steps.py to chromium_tests.

scripts/slave/recipes/blink_downstream.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.
 
 """
 This recipe can be used by components like v8 to verify blink tests with a
 low false positive rate. Similar to a trybot, this recipe compares test
 failures from a build with a current component revision with test failures
 from a build with a pinned component revision.
 
@@ skipping 12 matching lines @@
 
 Revision Y will be the revision property as provided by buildbot or HEAD (i.e.
 in a forced build with no revision provided).
 """
 
 from infra.libs.infra_types import freeze
 
 DEPS = [
   'bot_update',
   'chromium',
+  'chromium_tests',
   'gclient',
   'json',
   'path',
   'platform',
   'properties',
   'python',
   'raw_io',
   'step',
   'test_utils',
 ]
@@ skipping 82 matching lines @@
     api.chromium.compile()
 
   extra_args = list(bot_config.get('test_args', []))
   if bot_config.get('additional_expectations'):
     extra_args.extend([
       '--additional-expectations',
       api.path['checkout'].join(*bot_config['additional_expectations']),
     ])
 
   tests = [
-    api.chromium.steps.BlinkTest(extra_args=extra_args),
+    api.chromium_tests.steps.BlinkTest(extra_args=extra_args),
   ]
   api.test_utils.determine_new_failures(api, tests, component_pinned_fn)
 
 
 def _sanitize_nonalpha(text):
   return ''.join(c if c.isalnum() else '_' for c in text)
 
 
 def GenTests(api):
   canned_test = api.test_utils.canned_test_output
@@ skipping 69 matching lines @@
   # and compare the lists of failing tests).
   yield (
     api.test('too_many_failures_for_retcode') +
     properties('client.v8.fyi', 'V8-Blink Linux 64') +
     api.override_step_data(with_patch,
                            canned_test(passing=False,
                                        num_additional_failures=125)) +
     api.override_step_data(without_patch,
                            canned_test(passing=True, minimal=True))
   )