Add --dry_run to presubmit_support.

Add --dry_run to presubmit_support.

Also, implement skipping of CheckOwners presumbit canned check. To be used by run_presubmit recipe in build repo in 
https://codereview.chromium.org/1931633002

R=sergiyb@chromium.org,phajdan.jr@chromium.org,machenbach@chromium.org
BUG=594127
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=300262

[tandrii(chromium), 2016-04-27 19:19:42]

The CQ bit was checked by tandrii@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-04-27 19:19:50]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1923623004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1923623004/1

[commit-bot: I haz the power, 2016-04-27 19:24:39]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-04-27 19:24:40]

Dry run: Try jobs failed on following builders:
  Depot Tools Presubmit on tryserver.infra (JOB_FAILED,
https://build.chromium.org/p/tryserver.infra/builders/Depot%20Tools%20Presubm...)

[tandrii(chromium), 2016-04-27 19:31:01]

The CQ bit was checked by tandrii@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-04-27 19:31:16]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1923623004/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1923623004/20001

[commit-bot: I haz the power, 2016-04-27 19:33:22]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-04-27 19:33:23]

Dry run: This issue passed the CQ dry run.

[tandrii(chromium), 2016-04-27 20:42:08]

Description was changed from

==========
Implement skipping of CheckOwners presumbit canned check.

To be used by run_presubmit recipe in build repo.

R=sergiyb@chromium.org,phajdan.jr@chromium.org
BUG=594127
==========

to

==========
Add --dry_run to presubmit_support.

Also, implement skipping of CheckOwners presumbit canned check. To be used by
run_presubmit recipe in build repo in 
https://codereview.chromium.org/1931633002

R=sergiyb@chromium.org,phajdan.jr@chromium.org,machenbach@chromium.org
BUG=594127
==========

[tandrii(chromium), 2016-04-27 20:42:18]

tandrii@chromium.org changed reviewers:
+ machenbach@chromium.org

[Sergiy Byelozyorov, 2016-04-27 21:10:18]

lgtm

[tandrii(chromium), 2016-04-28 05:06:16]

The CQ bit was checked by tandrii@chromium.org

[commit-bot: I haz the power, 2016-04-28 05:06:27]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1923623004/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1923623004/20001

[commit-bot: I haz the power, 2016-04-28 05:09:04]

Description was changed from

==========
Add --dry_run to presubmit_support.

Also, implement skipping of CheckOwners presumbit canned check. To be used by
run_presubmit recipe in build repo in 
https://codereview.chromium.org/1931633002

R=sergiyb@chromium.org,phajdan.jr@chromium.org,machenbach@chromium.org
BUG=594127
==========

to

==========
Add --dry_run to presubmit_support.

Also, implement skipping of CheckOwners presumbit canned check. To be used by
run_presubmit recipe in build repo in 
https://codereview.chromium.org/1931633002

R=sergiyb@chromium.org,phajdan.jr@chromium.org,machenbach@chromium.org
BUG=594127

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=300262
==========

[commit-bot: I haz the power, 2016-04-28 05:09:05]

Committed patchset #2 (id:20001) as
http://src.chromium.org/viewvc/chrome?view=rev&revision=300262

[Michael Achenbach, 2016-04-28 06:28:08]

lgtm