Fix garbage collection with ColdModeSpellCheckRequester

Fix garbage collection with ColdModeSpellCheckRequester

This patch makes ColdModeSpellCheckRequester inherit from
GarbageCollected<> becuase it doesn't need finalization. It also moves
DECLARE_TRACE to public section for better coding style.

BUG=n/a

Review-Url: https://codereview.chromium.org/2792653002
Cr-Commit-Position: refs/heads/master@{#461368}
Committed: https://chromium.googlesource.com/chromium/src/+/021c7e1715272a2fdf05030874e4b76ca3e340bd

[Xiaocheng, 2017-03-31 20:30:06]

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

[commit-bot: I haz the power, 2017-03-31 20:30:29]

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

[Xiaocheng, 2017-03-31 20:32:42]

xiaochengh@chromium.org changed reviewers:
+ yosin@chromium.org

[Xiaocheng, 2017-03-31 20:32:43]

PTAL.

[commit-bot: I haz the power, 2017-03-31 22:26:13]

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

[commit-bot: I haz the power, 2017-03-31 22:26:14]

Dry run: This issue passed the CQ dry run.

[yosin_UTC9, 2017-04-03 01:57:30]

The CQ bit was checked by yosin@chromium.org

[yosin_UTC9, 2017-04-03 01:57:30]

lgtm

[commit-bot: I haz the power, 2017-04-03 01:57:43]

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, 2017-04-03 04:02:51]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491184650224150, "parent_rev":
"9f50c75ebf30e61ad79311c1271655c7573261c5", "commit_rev":
"021c7e1715272a2fdf05030874e4b76ca3e340bd"}

[commit-bot: I haz the power, 2017-04-03 04:04:10]

Description was changed from

==========
Fix garbage collection with ColdModeSpellCheckRequester

This patch makes ColdModeSpellCheckRequester inherit from
GarbageCollected<> becuase it doesn't need finalization. It also moves
DECLARE_TRACE to public section for better coding style.

BUG=n/a
==========

to

==========
Fix garbage collection with ColdModeSpellCheckRequester

This patch makes ColdModeSpellCheckRequester inherit from
GarbageCollected<> becuase it doesn't need finalization. It also moves
DECLARE_TRACE to public section for better coding style.

BUG=n/a

Review-Url: https://codereview.chromium.org/2792653002
Cr-Commit-Position: refs/heads/master@{#461368}
Committed:
https://chromium.googlesource.com/chromium/src/+/021c7e1715272a2fdf05030874e4...
==========

[commit-bot: I haz the power, 2017-04-03 04:04:11]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/021c7e1715272a2fdf05030874e4...