Support variable substitution and tryserver- and waterfall-only cmd line args.

scripts/slave/recipes/chromium.py

 # Copyright 2013 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.
 
 DEPS = [
   'adb',
   'amp',
   'bisect_tester',
   'bot_update',
   'chromium',
@@ skipping 164 matching lines @@
     api.properties.generic(mastername='chromium.linux',
                            buildername='Linux Tests',
                            parent_buildername='Linux Builder') +
     api.platform('linux', 64) +
     api.override_step_data('read test spec', api.json.output({
       'Linux Tests': {
         'gtest_tests': [
           'base_unittests',
           {'test': 'browser_tests', 'shard_index': 0, 'total_shards': 2},
           {'test': 'content_unittests', 'name': 'renamed_content_unittests'},
+          {
+            'test': 'gl_unittests',
+            'args': ['--correct-common-arg'],
+            'precommit_args': ['--SHOULD-NOT-BE-PRESENT-DURING-THE-RUN'],
+            'non_precommit_args': [
+              '--these-args-should-be-present',
+              '--test-machine-name=\"${buildername}\"',
+              '--build-revision=\"${got_revision}\"',
+            ],
+          },
         ],
       },
     }))
   )
 
   yield (
     api.test('dynamic_swarmed_gtest') +
     api.properties.generic(mastername='chromium.linux',
                            buildername='Linux Builder') +
     api.platform('linux', 64) +
@@ skipping 739 matching lines @@
     api.test('chromium_linux_Android_Tests_logcat_upload_timeout') +
     api.properties(
         mastername='chromium.linux',
         buildername='Android Tests',
         slavename='build1-a1',
         buildnumber='77457',
         parent_buildername='Android Builder',
     ) +
     api.override_step_data('gsutil upload', retcode=-2001)
   )