[cleanup] Introduce HasEnumerableElements() helper

[cleanup] Introduce HasEnumerableElements() helper

This is a simplified copy of JSObject::GetOwnElementKeys and will make it possible to eliminate the latter.

Committed: https://crrev.com/8ee1c9b5c0531f3c167697f5f0f9a0670fb2a83a
Cr-Commit-Position: refs/heads/master@{#32713}

[Jakob Kummerow, 2015-12-09 10:46:17]

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

[Jakob Kummerow, 2015-12-09 10:46:18]

Next step towards eliminating all of GetKeys()' predecessors.

[Camillo Bruni, 2015-12-09 10:52:39]

lgtm

[Jakob Kummerow, 2015-12-09 12:24:01]

The CQ bit was checked by jkummerow@chromium.org

[Jakob Kummerow, 2015-12-09 12:24:01]

The patchset sent to the CQ was uploaded after l-g-t-m from cbruni@chromium.org
Link to the patchset: https://codereview.chromium.org/1510083003/#ps20001
(title: "added TODO as discussed")

[commit-bot: I haz the power, 2015-12-09 12:24:10]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1510083003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1510083003/20001

[commit-bot: I haz the power, 2015-12-09 13:17:00]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-12-09 13:17:15]

Description was changed from

==========
[cleanup] Introduce HasEnumerableElements() helper

This is a simplified copy of JSObject::GetOwnElementKeys and will make it
possible to eliminate the latter.
==========

to

==========
[cleanup] Introduce HasEnumerableElements() helper

This is a simplified copy of JSObject::GetOwnElementKeys and will make it
possible to eliminate the latter.

Committed: https://crrev.com/8ee1c9b5c0531f3c167697f5f0f9a0670fb2a83a
Cr-Commit-Position: refs/heads/master@{#32713}
==========

[commit-bot: I haz the power, 2015-12-09 13:17:16]

Patchset 2 (id:??) landed as
https://crrev.com/8ee1c9b5c0531f3c167697f5f0f9a0670fb2a83a
Cr-Commit-Position: refs/heads/master@{#32713}