Add support for new-style trybot specifications to git_cl.py.

Add support for new-style trybot specifications to git_cl.py.

BUG=278554
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=241629

[ghost stip (do not use), 2013-12-18 19:57:00]

ptal

I couldn't find an appropriate place to put a unit test (git_cl_test.py doesn't
seem to have a harness for bot selection) but I manually tested it and it works.

[M-A Ruel, 2013-12-18 20:01:07]

On 2013/12/18 19:57:00, stip wrote:
> ptal
> 
> I couldn't find an appropriate place to put a unit test (git_cl_test.py
doesn't
> seem to have a harness for bot selection) but I manually tested it and it
works.

git cl try is not in the critical CI, TS or CQ code paths so it's not a big
deal. That said it'd be good to increase coverage.

lgtm anyhow.

[commit-bot: I haz the power, 2013-12-18 20:01:37]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/stip@chromium.org/106763010/1

[commit-bot: I haz the power, 2013-12-18 20:03:04]

Presubmit check for 106763010-1 failed and returned exit status 1.

Running presubmit commit checks ...
Checking out rietveld...
Running save-description-on-failure.sh
Running push-basic.sh
Running upstream.sh
Running submit-from-new-dir.sh
Running abandon.sh
Running submodule-merge-test.sh
Running upload-local-tracking-branch.sh
Running hooks.sh
Running post-dcommit-hook-test.sh
Running upload-stale.sh
Running patch.sh
Running basic.sh

** Presubmit ERRORS **
tests/gclient_smoketest.py (45.99s) failed
......................................F....
======================================================================
FAIL: testSyncJobs (__main__.GClientSmokeSVN)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "tests/gclient_smoketest.py", line 437, in testSyncJobs
    untangle=True)
  File "tests/gclient_smoketest.py", line 84, in parseGclient
    return self.checkBlock(stdout, items)
  File "tests/gclient_smoketest.py", line 128, in checkBlock
    results = self.splitBlock(stdout)
  File "tests/gclient_smoketest.py", line 115, in splitBlock
    self.fail(line)
AssertionError:
__main__.GClientSmokeSVN.testSyncJobs/src/third_party/prout/origin

----------------------------------------------------------------------
Ran 43 tests in 45.772s

FAILED (failures=1)


Presubmit checks took 84.9s to calculate.

[commit-bot: I haz the power, 2013-12-18 20:05:24]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/stip@chromium.org/106763010/1

[commit-bot: I haz the power, 2013-12-18 20:07:45]

Change committed as 241629