V8: Run MB on staging bot.

scripts/slave/recipe_modules/v8/api.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 argparse
 import datetime
 import random
 import re
 import urllib
 
@@ skipping 373 matching lines @@
         self.m.isolate.isolate_tests(
             self.m.chromium.output_dir,
             targets=sorted(list(set(tests_to_isolate))),
             verbose=True,
             set_swarm_hashes=False,
         )
         if self.should_upload_build:
           self.upload_isolated_json()
 
   def compile(self, **kwargs):
-    if self.m.chromium.c.project_generator.tool == 'gn':
-      self.m.chromium.run_gn(use_goma=True)
+    if self.m.chromium.c.project_generator.tool == 'mb':
+      use_goma = (self.m.chromium.c.compile_py.compiler and
+                  'goma' in self.m.chromium.c.compile_py.compiler)
+      self.m.chromium.run_mb(
+          self.m.properties['mastername'],
+          self.m.properties['buildername'],
+          use_goma=use_goma,
+          mb_config_path=self.m.path['checkout'].join(
+              'infra', 'mb', 'mb_config.pyl'),
+          gyp_script=self.m.path.join('gypfiles', 'gyp_v8'),
+      )
     self.m.chromium.compile(**kwargs)
     self.isolate_tests()
 
   # TODO(machenbach): This should move to a dynamorio module as soon as one
   # exists.
   def dr_compile(self):
     self.m.file.makedirs(
       'Create Build Dir',
       self.m.path['slave_build'].join('dynamorio', 'build'))
     self.m.step(
@@ skipping 747 matching lines @@
   def report_culprits(self, culprit_range):
     assert culprit_range
     if len(culprit_range) > 1:
       text = 'Suspecting multiple commits'
     else:
       text = 'Suspecting %s' % culprit_range[0][:8]
 
     step_result = self.m.step(text, cmd=None)
     for culprit in culprit_range:
       step_result.presentation.links[culprit[:8]] = COMMIT_TEMPLATE % culprit