[api] Fix IsSimpleInstantion check in InstantiatObject

[api] Fix IsSimpleInstantion check in InstantiatObject

We have a simple instantiation at hand if the new.target is from the same
context, not the other way around.

BUG=chromium:630217
Committed: https://crrev.com/60f9e60be0fc0ef4c767365d163fc373c0bda604
Cr-Commit-Position: refs/heads/master@{#38279}

[Camillo Bruni, 2016-08-02 15:59:37]

cbruni@chromium.org changed reviewers:
+ verwaest@chromium.org

[Camillo Bruni, 2016-08-02 15:59:38]

PTAL

[Toon Verwaest, 2016-08-02 20:35:30]

lgtm

[Camillo Bruni, 2016-08-03 07:30:13]

The CQ bit was checked by cbruni@chromium.org

[commit-bot: I haz the power, 2016-08-03 07:30:24]

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, 2016-08-03 07:49:27]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-03 07:52:52]

Description was changed from

==========
[api] Fix IsSimpleInstantion check in InstantiatObject

We have a simple instantiation at hand if the new.target is from the same
context, not the other way around.

BUG=chromium:630217
==========

to

==========
[api] Fix IsSimpleInstantion check in InstantiatObject

We have a simple instantiation at hand if the new.target is from the same
context, not the other way around.

BUG=chromium:630217

Committed: https://crrev.com/60f9e60be0fc0ef4c767365d163fc373c0bda604
Cr-Commit-Position: refs/heads/master@{#38279}
==========

[commit-bot: I haz the power, 2016-08-03 07:52:52]

Patchset 1 (id:??) landed as
https://crrev.com/60f9e60be0fc0ef4c767365d163fc373c0bda604
Cr-Commit-Position: refs/heads/master@{#38279}