Build delegation for perf tryjobs

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 486 matching lines @@
     # build was not used at all, leading to confusion why source code changes
     # are not taking effect.
     #
     # The best way to ensure the old build directory is not used is to
     # remove it.
     self.m.file.rmtree(
       'build directory',
       self.m.chromium.c.build_dir.join(self.m.chromium.c.build_config_fs))
 
     legacy_build_url = None
-    got_revision = update_step.presentation.properties['got_revision']
     build_revision = build_revision or self.m.properties.get(
-        'parent_got_revision') or got_revision
+        'parent_got_revision') or update_step.presentation.properties[

[RobertoCN, 2016/06/24 18:46:37]

This change is ok, but doesn't belong in this cl.

[Ziqi Xiong, 2016/06/27 18:47:55]

Acknowledged.

+        'got_revision']
     build_archive_url = build_archive_url or self.m.properties.get(
         'parent_build_archive_url')
     if build_archive_url is None:
       master_config = bot_db.get_master_settings(mastername)
       legacy_build_url = self._make_legacy_build_url(master_config, mastername)
 
     self.m.archive.download_and_unzip_build(
       step_name='extract build',
       target=self.m.chromium.c.build_config_fs,
       build_url=legacy_build_url,
@@ skipping 319 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({}))