Add isolate.clean_isolated_files and use in all related recipes.

scripts/slave/recipe_modules/gpu/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.
 
 from slave import recipe_api
 
 import common
 
 SIMPLE_TESTS_TO_RUN = [
   'content_gl_tests',
@@ skipping 145 matching lines @@
     self.m.chromium.runhooks()
     # Since performance tests aren't run on the debug builders, it isn't
     # necessary to build all of the targets there.
     build_tag = '' if self.m.chromium.is_release_build else 'debug_'
     # It's harmless to process the isolate-related targets even if they
     # aren't supported on the current configuration (because the component
     # build is used).
     is_tryserver = self.m.tryserver.is_tryserver
     targets = ['chromium_gpu_%sbuilder' % build_tag] + [
       '%s_run' % test for test in common.GPU_ISOLATES]
+    self.m.isolate.clean_isolated_files(
+        self.m.chromium.c.build_dir.join(self.m.chromium.c.build_config_fs))
     if is_tryserver:
       try:
         self.m.chromium.compile(targets, name='compile (with patch)')
       except self.m.step.StepFailure:
         if self.m.platform.is_win:
           self.m.chromium.taskkill()
         bot_update_json = self._bot_update.json.output
         self.m.gclient.c.revisions['src'] = str(
             bot_update_json['properties']['got_revision'])
         self.m.bot_update.ensure_checkout(force=True,
@@ skipping 212 matching lines @@
         self.get_build_revision(),
         self.get_webkit_revision(),
         args=test_args,
         name=name,
         master_class_name=self._master_class_name_for_testing,
         spawn_dbus=True,
         **kwargs)
     except self.m.step.StepFailure:
       # Return test name in the event of failure
       return test