Handle the case where the update check for components fails.

Handle the case where the update check for components fails.

Before the change, an update check error would terminate the update but leave the
components unhandled. Therefore, for an external observer, it would appear that the
components were stuck on checking for updates.

BUG=687231
Review-Url: https://codereview.chromium.org/2853903002
Cr-Commit-Position: refs/heads/master@{#468475}
Committed: https://chromium.googlesource.com/chromium/src/+/03ec5b7ac64e08b079a550314ab78443d4c5a59e

[Sorin Jianu, 2017-05-01 22:03:21]

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

[commit-bot: I haz the power, 2017-05-01 22:04:21]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Sorin Jianu, 2017-05-01 22:17:06]

sorin@chromium.org changed reviewers:
+ waffles@chromium.org

[Sorin Jianu, 2017-05-01 22:17:07]

PTAL! Thank you!

[waffles, 2017-05-01 22:56:01]

lgtm

[commit-bot: I haz the power, 2017-05-01 23:05:23]

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

[commit-bot: I haz the power, 2017-05-01 23:05:24]

Dry run: This issue passed the CQ dry run.

[Sorin Jianu, 2017-05-01 23:08:49]

The CQ bit was checked by sorin@chromium.org

[commit-bot: I haz the power, 2017-05-01 23:09:35]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-05-01 23:14:29]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493680129392010, "parent_rev":
"3529f6950ab71263ac77d1d6cc64158a9bd1b2e2", "commit_rev":
"03ec5b7ac64e08b079a550314ab78443d4c5a59e"}

[commit-bot: I haz the power, 2017-05-01 23:14:41]

Description was changed from

==========
Handle the case where the update check for components fails.

Before the change, an update check error would terminate the update but leave
the
components unhandled. Therefore, for an external observer, it would appear that
the
components were stuck on checking for updates.

BUG=687231
==========

to

==========
Handle the case where the update check for components fails.

Before the change, an update check error would terminate the update but leave
the
components unhandled. Therefore, for an external observer, it would appear that
the
components were stuck on checking for updates.

BUG=687231

Review-Url: https://codereview.chromium.org/2853903002
Cr-Commit-Position: refs/heads/master@{#468475}
Committed:
https://chromium.googlesource.com/chromium/src/+/03ec5b7ac64e08b079a550314ab7...
==========

[commit-bot: I haz the power, 2017-05-01 23:14:42]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/03ec5b7ac64e08b079a550314ab7...