Revert of Migrate Object.prototype.valueOf to CSA

Revert of Migrate Object.prototype.valueOf to CSA (patchset #4 id:80001 of https://codereview.chromium.org/2724833002/ )

Reason for revert:
Breaks layout tests:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/13900

See also:
https://github.com/v8/v8/wiki/Blink-layout-tests

Original issue's description:
> Migrate Object.prototype.valueOf to CSA
> 
> BUG=v8:6005
> 
> Review-Url: https://codereview.chromium.org/2724833002
> Cr-Commit-Position: refs/heads/master@{#43539}
> Committed: https://chromium.googlesource.com/v8/v8/+/f93b27e639cca6a93ce9b6c535ece9b6cc399a01

TBR=bmeurer@chromium.org,yangguo@chromium.org,loorongjie@gmail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6005
Review-Url: https://codereview.chromium.org/2730573004
Cr-Commit-Position: refs/heads/master@{#43547}
Committed: https://chromium.googlesource.com/v8/v8/+/d7cb3cfc91eb63ed3879a27c730b325faed814dc

[Michael Achenbach, 2017-03-02 14:26:32]

The CQ bit was checked by machenbach@chromium.org

[Michael Achenbach, 2017-03-02 14:26:33]

Created Revert of Migrate Object.prototype.valueOf to CSA

[commit-bot: I haz the power, 2017-03-02 14:26:37]

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, 2017-03-02 14:26:48]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488464792836600, "parent_rev":
"d5ecdedf1397e70153e3c51857a2353d21b7d4d2", "commit_rev":
"d7cb3cfc91eb63ed3879a27c730b325faed814dc"}

[commit-bot: I haz the power, 2017-03-02 14:26:53]

Description was changed from

==========
Revert of Migrate Object.prototype.valueOf to CSA (patchset #4 id:80001 of
https://codereview.chromium.org/2724833002/ )

Reason for revert:
Breaks layout tests:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/bui...

See also:
https://github.com/v8/v8/wiki/Blink-layout-tests

Original issue's description:
> Migrate Object.prototype.valueOf to CSA
> 
> BUG=v8:6005
> 
> Review-Url: https://codereview.chromium.org/2724833002
> Cr-Commit-Position: refs/heads/master@{#43539}
> Committed:
https://chromium.googlesource.com/v8/v8/+/f93b27e639cca6a93ce9b6c535ece9b6cc3...

TBR=bmeurer@chromium.org,yangguo@chromium.org,loorongjie@gmail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6005
==========

to

==========
Revert of Migrate Object.prototype.valueOf to CSA (patchset #4 id:80001 of
https://codereview.chromium.org/2724833002/ )

Reason for revert:
Breaks layout tests:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/bui...

See also:
https://github.com/v8/v8/wiki/Blink-layout-tests

Original issue's description:
> Migrate Object.prototype.valueOf to CSA
> 
> BUG=v8:6005
> 
> Review-Url: https://codereview.chromium.org/2724833002
> Cr-Commit-Position: refs/heads/master@{#43539}
> Committed:
https://chromium.googlesource.com/v8/v8/+/f93b27e639cca6a93ce9b6c535ece9b6cc3...

TBR=bmeurer@chromium.org,yangguo@chromium.org,loorongjie@gmail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6005

Review-Url: https://codereview.chromium.org/2730573004
Cr-Commit-Position: refs/heads/master@{#43547}
Committed:
https://chromium.googlesource.com/v8/v8/+/d7cb3cfc91eb63ed3879a27c730b325faed...
==========

[commit-bot: I haz the power, 2017-03-02 14:26:53]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/d7cb3cfc91eb63ed3879a27c730b325faed...