Roll swarm_client at 217028.

Roll swarm_client at 217028.

$ git log $(git svn find-rev r213621)..$(git svn find-rev r217028) --format="%an %ai %s" | sed 's/\+0000 //' | sed 's/@chromium\.org//'
phajdan.jr 2013-08-12 17:38:13 Use even less jobs for heavy tasks.
maruel 2013-07-27 00:09:27 Get rid of chromium_default_blacklist().
maruel 2013-07-25 20:01:20 Move zip_profiler.py under tools since it's not a primary tool.
maruel 2013-07-25 18:57:49 Add --trace-blacklist support to isolate_test_cases and fix_test_cases.
maruel 2013-07-25 18:54:57 Separate more chromium functionality.
maruel 2013-07-25 17:18:36 Refactor more chromium specific code out of the normal code path.
maruel 2013-07-25 16:02:23 swarm_trigger_step: Split chromium specific code into a separate function.
maruel 2013-07-25 15:51:48 Strip or separate many chromium-specific things.
maruel 2013-07-25 15:18:11 Fix a case where no test is run causing an internal exception.

R=csharp@chromium.org
BUG=
NOTRY=true

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=217037

[csharp, 2013-08-12 17:49:46]

lgtm

[commit-bot: I haz the power, 2013-08-12 17:59:50]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/maruel@chromium.org/22897002/1

[commit-bot: I haz the power, 2013-08-12 18:05:58]

Change committed as 217037