Revert of Implement complete lifecycle transition for IdleSpellCheckCallback

Revert of Implement complete lifecycle transition for IdleSpellCheckCallback (patchset #7 id:120001 of https://codereview.chromium.org/2701983002/ )

Reason for revert:
Has conflict with r453158

Original issue's description:
> Implement complete lifecycle transition for IdleSpellCheckCallback
> 
> This patch implements complete lifecycle state transition for
> IdleSpellCheckCallback. With this patch, idle spell check callback
> will be invoked at correct timings. The only thing remaining is to
> fill in the member functions which actually perform checking when
> the callback is invoked.
> 
> BUG=517298
> TEST=webkit_unit_tests --gtest_filter=IdleSpellCheckCallbackTest.*
> 
> Review-Url: https://codereview.chromium.org/2701983002
> Cr-Commit-Position: refs/heads/master@{#453159}
> Committed: https://chromium.googlesource.com/chromium/src/+/234937696e399887e0acef2ad037c35febca001c

TBR=tkent@chromium.org,yosin@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=517298
Review-Url: https://codereview.chromium.org/2720663002
Cr-Commit-Position: refs/heads/master@{#453161}
Committed: https://chromium.googlesource.com/chromium/src/+/c9eec829dfba011be14f3bb508129653fbdee3d6

[Xiaocheng, 2017-02-27 05:56:02]

The CQ bit was checked by xiaochengh@chromium.org

[Xiaocheng, 2017-02-27 05:56:03]

Created Revert of Implement complete lifecycle transition for
IdleSpellCheckCallback

[commit-bot: I haz the power, 2017-02-27 05:56:12]

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, 2017-02-27 05:56:54]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488174962775470, "parent_rev":
"a3b0ac117a94969b38f1641399fc61cade0d136c", "commit_rev":
"c9eec829dfba011be14f3bb508129653fbdee3d6"}

[commit-bot: I haz the power, 2017-02-27 05:57:40]

Description was changed from

==========
Revert of Implement complete lifecycle transition for IdleSpellCheckCallback
(patchset #7 id:120001 of https://codereview.chromium.org/2701983002/ )

Reason for revert:
Has conflict with r453158

Original issue's description:
> Implement complete lifecycle transition for IdleSpellCheckCallback
> 
> This patch implements complete lifecycle state transition for
> IdleSpellCheckCallback. With this patch, idle spell check callback
> will be invoked at correct timings. The only thing remaining is to
> fill in the member functions which actually perform checking when
> the callback is invoked.
> 
> BUG=517298
> TEST=webkit_unit_tests --gtest_filter=IdleSpellCheckCallbackTest.*
> 
> Review-Url: https://codereview.chromium.org/2701983002
> Cr-Commit-Position: refs/heads/master@{#453159}
> Committed:
https://chromium.googlesource.com/chromium/src/+/234937696e399887e0acef2ad037...

TBR=tkent@chromium.org,yosin@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=517298
==========

to

==========
Revert of Implement complete lifecycle transition for IdleSpellCheckCallback
(patchset #7 id:120001 of https://codereview.chromium.org/2701983002/ )

Reason for revert:
Has conflict with r453158

Original issue's description:
> Implement complete lifecycle transition for IdleSpellCheckCallback
> 
> This patch implements complete lifecycle state transition for
> IdleSpellCheckCallback. With this patch, idle spell check callback
> will be invoked at correct timings. The only thing remaining is to
> fill in the member functions which actually perform checking when
> the callback is invoked.
> 
> BUG=517298
> TEST=webkit_unit_tests --gtest_filter=IdleSpellCheckCallbackTest.*
> 
> Review-Url: https://codereview.chromium.org/2701983002
> Cr-Commit-Position: refs/heads/master@{#453159}
> Committed:
https://chromium.googlesource.com/chromium/src/+/234937696e399887e0acef2ad037...

TBR=tkent@chromium.org,yosin@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=517298

Review-Url: https://codereview.chromium.org/2720663002
Cr-Commit-Position: refs/heads/master@{#453161}
Committed:
https://chromium.googlesource.com/chromium/src/+/c9eec829dfba011be14f3bb50812...
==========

[commit-bot: I haz the power, 2017-02-27 05:57:41]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/c9eec829dfba011be14f3bb50812...

[tkent, 2017-02-28 01:08:01]

lgtm