Revert of [runtime] Add fast-paths for common conversion methods

Revert of [runtime] Add fast-paths for common conversion methods (patchset #1 id:1 of https://codereview.chromium.org/2587013002/ )

Reason for revert:
breaks mips port: http://build.chromium.org/p/client.v8.ports/builders/V8%20Mips%20-%20builder/builds/6131

Original issue's description:
> [runtime] Add fast-paths for common conversion methods
> 
> Add inlineable fast-paths for Object::ToPropertyKey, Object::ToLength and 
> Object::ToIndex for the most common argument types.
> 
> BUG=
> 
> Review-Url: https://codereview.chromium.org/2587013002
> Cr-Commit-Position: refs/heads/master@{#41839}
> Committed: https://chromium.googlesource.com/v8/v8/+/d173807b9d8cb3c4cc4ee9c94c5cc960224b2c40

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

Review-Url: https://codereview.chromium.org/2587373002
Cr-Commit-Position: refs/heads/master@{#41845}
Committed: https://chromium.googlesource.com/v8/v8/+/608df93382ce4186ffc0539967e3ea7cdff6cddf

[Camillo Bruni, 2016-12-20 10:14:11]

The CQ bit was checked by cbruni@chromium.org

[Camillo Bruni, 2016-12-20 10:14:11]

Created Revert of [runtime] Add fast-paths for common conversion methods

[commit-bot: I haz the power, 2016-12-20 10:14:19]

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, 2016-12-20 10:14:23]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1482228851310180, "parent_rev":
"5173b0fb784e36befa874551644404b81f84f8c4", "commit_rev":
"608df93382ce4186ffc0539967e3ea7cdff6cddf"}

[commit-bot: I haz the power, 2016-12-20 10:14:27]

Description was changed from

==========
Revert of [runtime] Add fast-paths for common conversion methods (patchset #1
id:1 of https://codereview.chromium.org/2587013002/ )

Reason for revert:
breaks mips port:
http://build.chromium.org/p/client.v8.ports/builders/V8%20Mips%20-%20builder/...

Original issue's description:
> [runtime] Add fast-paths for common conversion methods
> 
> Add inlineable fast-paths for Object::ToPropertyKey, Object::ToLength and 
> Object::ToIndex for the most common argument types.
> 
> BUG=
> 
> Review-Url: https://codereview.chromium.org/2587013002
> Cr-Commit-Position: refs/heads/master@{#41839}
> Committed:
https://chromium.googlesource.com/v8/v8/+/d173807b9d8cb3c4cc4ee9c94c5cc960224...

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

to

==========
Revert of [runtime] Add fast-paths for common conversion methods (patchset #1
id:1 of https://codereview.chromium.org/2587013002/ )

Reason for revert:
breaks mips port:
http://build.chromium.org/p/client.v8.ports/builders/V8%20Mips%20-%20builder/...

Original issue's description:
> [runtime] Add fast-paths for common conversion methods
> 
> Add inlineable fast-paths for Object::ToPropertyKey, Object::ToLength and 
> Object::ToIndex for the most common argument types.
> 
> BUG=
> 
> Review-Url: https://codereview.chromium.org/2587013002
> Cr-Commit-Position: refs/heads/master@{#41839}
> Committed:
https://chromium.googlesource.com/v8/v8/+/d173807b9d8cb3c4cc4ee9c94c5cc960224...

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

Review-Url: https://codereview.chromium.org/2587373002
Cr-Commit-Position: refs/heads/master@{#41845}
Committed:
https://chromium.googlesource.com/v8/v8/+/608df93382ce4186ffc0539967e3ea7cdff...
==========

[commit-bot: I haz the power, 2016-12-20 10:14:27]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/608df93382ce4186ffc0539967e3ea7cdff...