Add Errors to user_story_runner to avoid benchmarks staying green when there are archive errors.

Add Errors to user_story_runner to avoid benchmarks staying green when there are archive errors.

BUG=442738
Committed: https://crrev.com/f420ae317381ca52bf1b1548d1a661b80b0facca
Cr-Commit-Position: refs/heads/master@{#312997}

[aiolos (Not reviewing), 2015-01-09 04:10:40]

aiolos@chromium.org changed reviewers:
+ dtu@chromium.org, sullivan@chromium.org

[sullivan, 2015-01-09 14:43:53]

lgtm

[aiolos (Not reviewing), 2015-01-09 16:56:21]

The CQ bit was checked by aiolos@chromium.org

[commit-bot: I haz the power, 2015-01-09 16:56:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/799543006/1

[commit-bot: I haz the power, 2015-01-09 17:47:21]

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

[commit-bot: I haz the power, 2015-01-09 17:47:22]

Try jobs failed on following builders:
  linux_gpu_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/linux_gpu_trigger...)

[aiolos (Not reviewing), 2015-01-09 20:42:07]

The CQ bit was checked by aiolos@chromium.org

[commit-bot: I haz the power, 2015-01-09 20:42:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/799543006/1

[commit-bot: I haz the power, 2015-01-09 21:41:12]

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

[commit-bot: I haz the power, 2015-01-09 21:41:13]

Try jobs failed on following builders:
  linux_gpu_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/linux_gpu_trigger...)

[aiolos (Not reviewing), 2015-01-24 02:14:05]

The CQ bit was checked by aiolos@chromium.org

[commit-bot: I haz the power, 2015-01-24 02:15:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/799543006/1

[commit-bot: I haz the power, 2015-01-24 02:33:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-24 02:34:27]

Patchset 1 (id:??) landed as
https://crrev.com/f420ae317381ca52bf1b1548d1a661b80b0facca
Cr-Commit-Position: refs/heads/master@{#312997}