Array splice should only normalize deleted_elements if it's an array

Array splice should only normalize deleted_elements if it's an array

Also slightly expand regression test to end with a return instead of
an exception.

R=cbruni@chromium.org
BUG=chromium:618788
Committed: https://crrev.com/7b011fc9db92da2802702ccfdd93b576e438ae04
Cr-Commit-Position: refs/heads/master@{#37223}

[Camillo Bruni, 2016-06-23 12:24:09]

lgtm

[adamk, 2016-06-23 17:18:49]

The CQ bit was checked by adamk@chromium.org

[commit-bot: I haz the power, 2016-06-23 17:18:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2090193002/1

[commit-bot: I haz the power, 2016-06-23 17:20:40]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-23 17:24:43]

Description was changed from

==========
Array splice should only normalize deleted_elements if it's an array

Also slightly expand regression test to end with a return instead of
an exception.

R=cbruni@chromium.org
BUG=chromium:618788
==========

to

==========
Array splice should only normalize deleted_elements if it's an array

Also slightly expand regression test to end with a return instead of
an exception.

R=cbruni@chromium.org
BUG=chromium:618788

Committed: https://crrev.com/7b011fc9db92da2802702ccfdd93b576e438ae04
Cr-Commit-Position: refs/heads/master@{#37223}
==========

[commit-bot: I haz the power, 2016-06-23 17:24:44]

Patchset 1 (id:??) landed as
https://crrev.com/7b011fc9db92da2802702ccfdd93b576e438ae04
Cr-Commit-Position: refs/heads/master@{#37223}