AutoRoll bot: check_call -> call

AutoRoll bot: check_call -> call

BUG=

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=262856

[borenet, 2014-04-09 19:59:10]

This should fix the broken ARB, which is failing with:

Loaded authentication cookies from /Users/eseidel/.codereview_upload_cookies
Skipping repository third_party/GTM/
Skipping repository third_party/webgl_conformance/
Skipping repository tools/swarm_client/
Skipping repository webkit/media/crypto/ppapi/cdm
No rebase in progress?
Traceback (most recent call last):
  File "/src/chromium/src/tools/safely-roll-deps.py", line 148, in <module>
    sys.exit(main())
  File "/src/chromium/src/tools/safely-roll-deps.py", line 91, in main
    subprocess2.check_call(['git', 'rebase', '--abort'])
  File "/src/depot_tools/subprocess2.py", line 483, in check_call
    check_call_out(args, **kwargs)
  File "/src/depot_tools/subprocess2.py", line 477, in check_call_out
    returncode, args, kwargs.get('cwd'), out[0], out[1])
subprocess2.CalledProcessError: Command git rebase --abort returned
non-zero exit status 1
Traceback (most recent call last):
  File "./auto_roll.py", line 328, in <module>
    sys.exit(main())
  File "./auto_roll.py", line 324, in main
    AutoRoller(*args).main()
  File "./auto_roll.py", line 301, in main
    self._start_roll(new_roll_revision, commit_msg)
  File "./auto_roll.py", line 226, in _start_roll
    subprocess.check_call(map(str, safely_roll_args))
  File
"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py",
line 542, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command
'['/src/chromium/src/tools/safely-roll-deps.py', 'webkit', '171170',
'--message', 'Blink roll
171141:171170\n\nhttp://build.chromium.org/f/chromium/perf/dashboard/ui/changelog_blink.html?url=/trunk&range=171141:171170&mode=html',
'--force', '--cc', 'jianli@chromium.org,yurys@chromium.org']' returned
non-zero exit status 1

[eseidel, 2014-04-09 20:03:26]

lgtm

[eseidel, 2014-04-09 20:03:55]

lgtm

This is because the abort has nothing to abort so we don't care that it "fails"
right?

[commit-bot: I haz the power, 2014-04-09 20:04:04]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/borenet@google.com/231623003/1

[borenet, 2014-04-09 20:05:20]

On 2014/04/09 20:03:55, eseidel wrote:
> lgtm
> 
> This is because the abort has nothing to abort so we don't care that it
"fails"
> right?

Exactly.  Maybe a more sophisticated thing to do would be to try/except and
verify that "no rebase in progress" shows up in the output, but I think this is
fine.

[commit-bot: I haz the power, 2014-04-09 23:37:06]

Change committed as 262856