V8 Buildbot: Pass isolate hashes from builder to tester.

scripts/slave/recipes/v8.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.
 
 import re
 
 DEPS = [
   'archive',
   'chromium',
   'gclient',
@@ skipping 86 matching lines @@
                                branch=branch,
                                parent_buildername=bot_config.get(
                                    'parent_buildername'),
                                revision='20123') +
         api.platform(bot_config['testing']['platform'],
                      v8_config_kwargs.get('TARGET_BITS', 64))
       )
 
       if bot_config.get('parent_buildername'):
         test += api.properties(parent_got_revision='54321')
+        # Add isolated-tests property from parent builder.
+        parent = master_config['builders'][bot_config['parent_buildername']]
+        isolated_tests = parent['testing'].get('isolated_tests')
+        if isolated_tests:
+          test += api.properties(isolated_tests=isolated_tests)
 
       if mastername.startswith('tryserver'):
         test += (api.properties(
             revision='12345',
             patch_url='svn://svn-mirror.golo.chromium.org/patch'))
 
       yield test
 
   yield (
     api.test('branch_sync_failure') +
@@ skipping 234 matching lines @@
     api.properties.generic(mastername=mastername,
                            buildername=buildername,
                            branch='master',
                            parent_buildername=bot_config.get(
                                'parent_buildername')) +
     api.platform(bot_config['testing']['platform'],
                  v8_config_kwargs.get('TARGET_BITS', 64)) +
     api.override_step_data('Mjsunit', api.v8.bisect_failures_example()) +
     api.time.step(120)
   )