V8 Buildbot: Let leak checker use the v8-side 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 441 matching lines @@
         'GCMole %s' % arch,
         ['lua', self.api.path.join('tools', 'gcmole', 'gcmole.lua'), arch],
         cwd=self.api.path['checkout'],
         env=env,
       )
     return TestResults.empty()
 
 
 class V8SimpleLeakCheck(BaseTest):
   def run(self, **kwargs):
-    # TODO(machenbach): Add task kill step for windows.
     relative_d8_path = self.api.path.join(
         self.api.path.basename(self.api.chromium.c.build_dir),
         self.api.chromium.c.build_config_fs,
         'd8')
-    step_result = self.api.step(
+    tool = self.api.path['checkout'].join('tools', 'run-valgrind.py')
+    step_result = self.api.python(
       'Simple Leak Check',
-      ['valgrind', '--leak-check=full', '--show-reachable=yes',
-       '--num-callers=20', relative_d8_path, '-e', '"print(1+2)"'],
+      tool,
+      [relative_d8_path, '-e', 'print(1+2)'],
       cwd=self.api.path['checkout'],
-      stderr=self.api.raw_io.output(),
-      step_test_data=lambda: self.api.raw_io.test_api.stream_output(
-          'tons of leaks', stream='stderr')
     )
-    step_result.presentation.logs['stderr'] = step_result.stderr.splitlines()
-    if not 'no leaks are possible' in (step_result.stderr):
-      step_result.presentation.status = self.api.step.FAILURE
-      raise self.api.step.StepFailure('Failed leak check')
     return TestResults.empty()
 
 
 V8_NON_STANDARD_TESTS = freeze({
   'deopt': V8DeoptFuzzer,
   'fuzz': V8Fuzzer,
   'gcmole': V8GCMole,
   'presubmit': V8Presubmit,
   'simpleleak': V8SimpleLeakCheck,
 })
@@ skipping 51 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)