Revert of Set the current context to the function's context when entering to LAP.

Revert of Set the current context to the function's context when entering to LAP. (patchset #14 id:540001 of https://codereview.chromium.org/2770003002/ )

Reason for revert:
Speculative: Seems to break webkit_unit_tests:
https://build.chromium.org/p/tryserver.v8/builders/v8_linux_blink_rel/builds/23247
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Mac/builds/11038

Original issue's description:
> Set the current context to the function's context when entering to LAP.
> 
> In case of LAP(lazy accessor pair), the function's creation context
> must be equal to the accessor holder's creation context, so this CL
> changes the current context to the accessor holder's creation context.
> 
> BUG=v8:6156
> 
> Review-Url: https://codereview.chromium.org/2770003002
> Cr-Commit-Position: refs/heads/master@{#46406}
> Committed: https://chromium.googlesource.com/v8/v8/+/18e73287dc65452bc2f952fc005b2251fc32c15a

TBR=jochen@chromium.org,verwaest@chromium.org,mstarzinger@chromium.org,tebbi@google.com,yukishiino@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6156
Review-Url: https://codereview.chromium.org/2973593002
Cr-Commit-Position: refs/heads/master@{#46408}
Committed: https://chromium.googlesource.com/v8/v8/+/653f43d579f0d41767a7f2d90dde1246e6a2d23c

[Michael Achenbach, 2017-07-05 10:41:10]

The CQ bit was checked by machenbach@chromium.org

[Michael Achenbach, 2017-07-05 10:41:10]

Created Revert of Set the current context to the function's context when
entering to LAP.

[commit-bot: I haz the power, 2017-07-05 10:41:13]

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, 2017-07-05 10:41:23]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1499251270269010, "parent_rev":
"660fb963b1b39873b2cdddeecad40e2260581661", "commit_rev":
"653f43d579f0d41767a7f2d90dde1246e6a2d23c"}

[commit-bot: I haz the power, 2017-07-05 10:41:32]

Description was changed from

==========
Revert of Set the current context to the function's context when entering to
LAP. (patchset #14 id:540001 of https://codereview.chromium.org/2770003002/ )

Reason for revert:
Speculative: Seems to break webkit_unit_tests:
https://build.chromium.org/p/tryserver.v8/builders/v8_linux_blink_rel/builds/...
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Mac/builds/11038

Original issue's description:
> Set the current context to the function's context when entering to LAP.
> 
> In case of LAP(lazy accessor pair), the function's creation context
> must be equal to the accessor holder's creation context, so this CL
> changes the current context to the accessor holder's creation context.
> 
> BUG=v8:6156
> 
> Review-Url: https://codereview.chromium.org/2770003002
> Cr-Commit-Position: refs/heads/master@{#46406}
> Committed:
https://chromium.googlesource.com/v8/v8/+/18e73287dc65452bc2f952fc005b2251fc3...

TBR=jochen@chromium.org,verwaest@chromium.org,mstarzinger@chromium.org,tebbi@...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6156
==========

to

==========
Revert of Set the current context to the function's context when entering to
LAP. (patchset #14 id:540001 of https://codereview.chromium.org/2770003002/ )

Reason for revert:
Speculative: Seems to break webkit_unit_tests:
https://build.chromium.org/p/tryserver.v8/builders/v8_linux_blink_rel/builds/...
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Mac/builds/11038

Original issue's description:
> Set the current context to the function's context when entering to LAP.
> 
> In case of LAP(lazy accessor pair), the function's creation context
> must be equal to the accessor holder's creation context, so this CL
> changes the current context to the accessor holder's creation context.
> 
> BUG=v8:6156
> 
> Review-Url: https://codereview.chromium.org/2770003002
> Cr-Commit-Position: refs/heads/master@{#46406}
> Committed:
https://chromium.googlesource.com/v8/v8/+/18e73287dc65452bc2f952fc005b2251fc3...

TBR=jochen@chromium.org,verwaest@chromium.org,mstarzinger@chromium.org,tebbi@...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6156

Review-Url: https://codereview.chromium.org/2973593002
Cr-Commit-Position: refs/heads/master@{#46408}
Committed:
https://chromium.googlesource.com/v8/v8/+/653f43d579f0d41767a7f2d90dde1246e6a...
==========

[commit-bot: I haz the power, 2017-07-05 10:41:33]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/653f43d579f0d41767a7f2d90dde1246e6a...

[Yuki, 2017-07-05 12:01:26]

LGTM for revert.

Probably, Blink's tests would be wrong (Blink's tests now depend on the wrong
implementation of the current context).  I'll take a look.