Fix the reviver function in JSON.parse

Fix the reviver function in JSON.parse

Fixes the reviver function in JSON.parse to update the length
to delete elements. If the Revive function argument val is
Array we should delete the property if it's undefined.

BUG=v8:3136
R=svenpanne@chromium.org
LOG=N

[watilde, 2015-06-28 15:11:03]

Patchset #2 (id:20001) has been deleted

[caitp (gmail), 2015-06-29 13:50:15]

Looks correct per
http://www.ecma-international.org/ecma-262/6.0/#sec-internalizejsonproperty

[arv (Not doing code reviews), 2015-06-29 14:23:43]

arv@chromium.org changed reviewers:
+ arv@chromium.org

[arv (Not doing code reviews), 2015-06-29 14:23:43]

LGTM

[arv (Not doing code reviews), 2015-06-29 14:25:53]

I see that you've signed the CLA. I'll CQ this for you.

[arv (Not doing code reviews), 2015-06-29 14:25:56]

The CQ bit was checked by arv@chromium.org

[commit-bot: I haz the power, 2015-06-29 14:26:10]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1220603002/1

[commit-bot: I haz the power, 2015-06-29 14:28:53]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-06-29 14:28:54]

Try jobs failed on following builders:
  v8_presubmit on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_presubmit/builds/3810)

[arv (Not doing code reviews), 2015-06-29 14:34:01]

watilde: Can you add yourself to the AUTHORS file too?

[watilde, 2015-06-29 14:39:09]

On 2015/06/29 14:34:01, arv wrote:
> watilde: Can you add yourself to the AUTHORS file too?

Sure, I try it. Thanks for your help.

[arv (Not doing code reviews), 2015-06-29 14:58:33]

Still LGTM

Thank you so much for the fix

[arv (Not doing code reviews), 2015-06-29 14:58:37]

The CQ bit was checked by arv@chromium.org

[commit-bot: I haz the power, 2015-06-29 14:58:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1220603002/40001

[commit-bot: I haz the power, 2015-06-29 15:08:49]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-06-29 15:08:50]

Exceeded global retry quota

[arv (Not doing code reviews), 2015-06-29 15:10:01]

The CQ bit was checked by arv@chromium.org

[commit-bot: I haz the power, 2015-06-29 15:10:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1220603002/40001

[commit-bot: I haz the power, 2015-06-29 15:16:06]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-06-29 15:16:07]

Exceeded global retry quota

[caitp (gmail), 2015-06-29 15:53:30]

On 2015/06/29 15:16:07, commit-bot: I haz the power wrote:
> Exceeded global retry quota

should be green with the webkit tests fixed up, but if they're failing here, it
might mean there are failing blink/chromium tests as well