CheckHasServiceWorkerCallback always called on the UI thread

CheckHasServiceWorkerCallback always called on the UI thread

This updates the code to match the documentation in
service_worker_context.h.

BUG=591427
Committed: https://crrev.com/347362dc1067fdee8a0b512bf24659ae5b8dced6
Cr-Commit-Position: refs/heads/master@{#437531}

[droger, 2016-12-09 10:40:56]

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

[commit-bot: I haz the power, 2016-12-09 10:41:09]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[droger, 2016-12-09 11:14:23]

droger@chromium.org changed reviewers:
+ falken@chromium.org

[commit-bot: I haz the power, 2016-12-09 11:58:12]

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

[commit-bot: I haz the power, 2016-12-09 11:58:13]

Dry run: This issue passed the CQ dry run.

[falken, 2016-12-09 13:51:08]

lgtm, thanks

[droger, 2016-12-09 14:12:36]

The CQ bit was checked by droger@chromium.org

[commit-bot: I haz the power, 2016-12-09 14:12:49]

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, 2016-12-09 14:16:09]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1481292756978080, "parent_rev":
"3e24247b47fe9d76962c00eb2dffe01a6b9e5160", "commit_rev":
"4a641f8aadf16447fe497da2f7cfb0301b594d97"}

[commit-bot: I haz the power, 2016-12-09 14:16:33]

Description was changed from

==========
CheckHasServiceWorkerCallback always called on the UI thread

This updates the code to match the documentation in
service_worker_context.h.

BUG=591427
==========

to

==========
CheckHasServiceWorkerCallback always called on the UI thread

This updates the code to match the documentation in
service_worker_context.h.

BUG=591427

Review-Url: https://codereview.chromium.org/2566623004
==========

[commit-bot: I haz the power, 2016-12-09 14:16:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-09 14:18:19]

Description was changed from

==========
CheckHasServiceWorkerCallback always called on the UI thread

This updates the code to match the documentation in
service_worker_context.h.

BUG=591427

Review-Url: https://codereview.chromium.org/2566623004
==========

to

==========
CheckHasServiceWorkerCallback always called on the UI thread

This updates the code to match the documentation in
service_worker_context.h.

BUG=591427

Committed: https://crrev.com/347362dc1067fdee8a0b512bf24659ae5b8dced6
Cr-Commit-Position: refs/heads/master@{#437531}
==========

[commit-bot: I haz the power, 2016-12-09 14:18:20]

Patchset 1 (id:??) landed as
https://crrev.com/347362dc1067fdee8a0b512bf24659ae5b8dced6
Cr-Commit-Position: refs/heads/master@{#437531}