V8 Buildbot: Use v8-side gcmole wrapper.

scripts/slave/recipe_modules/v8/testing.py

 # Copyright 2015 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
 from recipe_engine.types import freeze
 
 
 TEST_CONFIGS = freeze({
   'benchmarks': {
@@ skipping 433 matching lines @@
       'Deopt Fuzz',
       self.api.path['checkout'].join('tools', 'run-deopt-fuzzer.py'),
       full_args,
       cwd=self.api.path['checkout'],
     )
     return TestResults.empty()
 
 
 class V8GCMole(BaseTest):
   def run(self, **kwargs):
-    # TODO(machenbach): Make gcmole work with absolute paths. Currently, a

[kjellander_chromium, 2016/02/17 08:48:54]

Whoa, nice cleanup. 5 levels of parent directory path referencing surely looked
ugly.

-    # particular clang version is installed on one slave in '/b'.
-    env = {
-      'CLANG_BIN': (
-        self.api.path.join('..', '..', '..', '..', '..', 'gcmole', 'bin')
-      ),
-      'CLANG_PLUGINS': (
-        self.api.path.join('..', '..', '..', '..', '..', 'gcmole')
-      ),
-    }
     for arch in ['ia32', 'x64', 'arm', 'arm64']:
-      self.api.step(
+      self.api.python(
         'GCMole %s' % arch,
-        ['lua', self.api.path.join('tools', 'gcmole', 'gcmole.lua'), arch],
-        cwd=self.api.path['checkout'],
-        env=env,
+        self.api.path['checkout'].join('tools', 'gcmole', 'run-gcmole.py'),
+        [arch],
       )
     return TestResults.empty()
 
 
 class V8SimpleLeakCheck(V8GenericSwarmingTest):
   @property
   def title(self):
     return 'Simple Leak Check'
 
   @property
@@ skipping 62 matching lines @@
     # TODO(machenbach): Implement swarming for non-standard tests.
     if v8_api.bot_config.get('enable_swarming') and test_step_config.swarming:
       tools_mapping = TOOL_TO_TEST_SWARMING
     else:
       tools_mapping = TOOL_TO_TEST
 
     # The tool the test is going to use. Default: V8 test runner (run-tests).
     tool = TEST_CONFIGS[test_step_config.name].get('tool', 'run-tests')
     test_cls = tools_mapping[tool]
   return test_cls(test_step_config, api, v8_api)