Adding isolate for cc_perftests and triggering job on FYI waterfall

testing/scripts/common.py

 # Copyright 2014 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 contextlib
 import json
 import os
 import subprocess
 import sys
@@ skipping 52 matching lines @@
   return args.func(args)
 
 
 def run_command(argv, env=None, cwd=None):
   print 'Running %r in %r (env: %r)' % (argv, cwd, env)
   rc = subprocess.call(argv, env=env, cwd=cwd)
   print 'Command %r returned exit code %d' % (argv, rc)
   return rc
 
 
+def run_command_with_output(argv, env=None, cwd=None, stdoutfile=None):
+  print 'Running %r in %r (env: %r)' % (argv, cwd, env)
+  rc = 1
+  try:
+    output = subprocess.check_output(argv, env=env, cwd=cwd)
+    if stdoutfile:
+      with open(stdoutfile, 'w') as fp:
+        fp.write(output)
+    rc = 0
+  except Exception:
+    # Exit code remains 1 and we don't write output
+    pass
+  print 'Command %r returned exit code %d' % (argv, rc)
+  return rc
+
+
 def run_runtest(cmd_args, runtest_args):
   if cmd_args.use_src_side_runtest_py:
     cmd = [
       sys.executable,
       os.path.join(
           cmd_args.paths['checkout'], 'infra', 'scripts', 'runtest_wrapper.py'),
       '--',
     ]
   else:
     cmd = [
@@ skipping 80 matching lines @@
       [sys.executable, script_to_run] + extra_args)
 
   with open(log_file) as f:
     failures = json.load(f)
   json.dump({
       'valid': integration_test_res == 0,
       'failures': failures,
   }, output)
 
   return integration_test_res