Revert of [wasm] Enable WASM by default (--expose-wasm=true).

Revert of [wasm] Enable WASM by default (--expose-wasm=true). (patchset #2 id:20001 of https://codereview.chromium.org/2623743003/ )

Reason for revert:
arm64 gc stress:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Linux%20-%20arm64%20-%20sim%20-%20gc%20stress/builds/4424

Original issue's description:
> [wasm] Enable WASM by default (--expose-wasm=true).
> 
> BUG=chromium:575167
> R=rossberg@chromium.org,ahaas@chromium.org,clemensh@chromium.org,bradnelson@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2623743003
> Cr-Commit-Position: refs/heads/master@{#42197}
> Committed: https://chromium.googlesource.com/v8/v8/+/34b63f050b1a247bb64ddc91c967501ce04e011f

TBR=clemensh@chromium.org,ahaas@chromium.org,bradnelson@chromium.org,rossberg@chromium.org,bradnelson@google.com,titzer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:575167
Review-Url: https://codereview.chromium.org/2626763002
Cr-Commit-Position: refs/heads/master@{#42199}
Committed: https://chromium.googlesource.com/v8/v8/+/4f6069086f09280f3deb5d067a6c8a5b98f55bf8

[Michael Achenbach, 2017-01-10 21:03:50]

The CQ bit was checked by machenbach@chromium.org

[Michael Achenbach, 2017-01-10 21:03:51]

Created Revert of [wasm] Enable WASM by default (--expose-wasm=true).

[commit-bot: I haz the power, 2017-01-10 21:03:53]

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, 2017-01-10 21:03:59]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484082230827680, "parent_rev":
"f40a3817e12b08a0d206f4f4c6887c141ec67085", "commit_rev":
"4f6069086f09280f3deb5d067a6c8a5b98f55bf8"}

[commit-bot: I haz the power, 2017-01-10 21:04:05]

Description was changed from

==========
Revert of [wasm] Enable WASM by default (--expose-wasm=true). (patchset #2
id:20001 of https://codereview.chromium.org/2623743003/ )

Reason for revert:
arm64 gc stress:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Linux%20-%20arm64%...

Original issue's description:
> [wasm] Enable WASM by default (--expose-wasm=true).
> 
> BUG=chromium:575167
>
R=rossberg@chromium.org,ahaas@chromium.org,clemensh@chromium.org,bradnelson@c...
> 
> Review-Url: https://codereview.chromium.org/2623743003
> Cr-Commit-Position: refs/heads/master@{#42197}
> Committed:
https://chromium.googlesource.com/v8/v8/+/34b63f050b1a247bb64ddc91c967501ce04...

TBR=clemensh@chromium.org,ahaas@chromium.org,bradnelson@chromium.org,rossberg...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:575167
==========

to

==========
Revert of [wasm] Enable WASM by default (--expose-wasm=true). (patchset #2
id:20001 of https://codereview.chromium.org/2623743003/ )

Reason for revert:
arm64 gc stress:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Linux%20-%20arm64%...

Original issue's description:
> [wasm] Enable WASM by default (--expose-wasm=true).
> 
> BUG=chromium:575167
>
R=rossberg@chromium.org,ahaas@chromium.org,clemensh@chromium.org,bradnelson@c...
> 
> Review-Url: https://codereview.chromium.org/2623743003
> Cr-Commit-Position: refs/heads/master@{#42197}
> Committed:
https://chromium.googlesource.com/v8/v8/+/34b63f050b1a247bb64ddc91c967501ce04...

TBR=clemensh@chromium.org,ahaas@chromium.org,bradnelson@chromium.org,rossberg...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:575167

Review-Url: https://codereview.chromium.org/2626763002
Cr-Commit-Position: refs/heads/master@{#42199}
Committed:
https://chromium.googlesource.com/v8/v8/+/4f6069086f09280f3deb5d067a6c8a5b98f...
==========

[commit-bot: I haz the power, 2017-01-10 21:04:05]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/4f6069086f09280f3deb5d067a6c8a5b98f...