[runtime] Add Arguments.atOrUndefined()

[runtime] Add Arguments.atOrUndefined()

atOrUndefined() will return undefined if the index is >= length()

BUG=

Committed: https://crrev.com/0bd4131426a84d00c70ccc63aa3afde2473ecaf3
Cr-Commit-Position: refs/heads/master@{#33033}

[Camillo Bruni, 2015-12-23 17:16:46]

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

[Camillo Bruni, 2015-12-23 17:16:46]

PTAL

[Igor Sheludko, 2015-12-23 17:47:04]

Description was changed from

==========
[runtime] Add Arguments.atOrUndefined

atOrUndefined will return undefined if read index is > length()

BUG=
==========

to

==========
[runtime] Add Arguments.atOrUndefined()

atOrUndefined() will return undefined if read index is > length()

BUG=
==========

[Igor Sheludko, 2015-12-23 17:50:05]

Description was changed from

==========
[runtime] Add Arguments.atOrUndefined()

atOrUndefined() will return undefined if read index is > length()

BUG=
==========

to

==========
[runtime] Add Arguments.atOrUndefined()

atOrUndefined() will return undefined if the index is >= length()

BUG=
==========

[Igor Sheludko, 2015-12-23 17:50:14]

lgtm

[Camillo Bruni, 2015-12-23 19:07:07]

The CQ bit was checked by cbruni@chromium.org

[commit-bot: I haz the power, 2015-12-23 19:07:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1541413002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1541413002/1

[commit-bot: I haz the power, 2015-12-23 19:29:00]

Description was changed from

==========
[runtime] Add Arguments.atOrUndefined()

atOrUndefined() will return undefined if the index is >= length()

BUG=
==========

to

==========
[runtime] Add Arguments.atOrUndefined()

atOrUndefined() will return undefined if the index is >= length()

BUG=
==========

[commit-bot: I haz the power, 2015-12-23 19:29:01]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-23 19:29:47]

Description was changed from

==========
[runtime] Add Arguments.atOrUndefined()

atOrUndefined() will return undefined if the index is >= length()

BUG=
==========

to

==========
[runtime] Add Arguments.atOrUndefined()

atOrUndefined() will return undefined if the index is >= length()

BUG=

Committed: https://crrev.com/0bd4131426a84d00c70ccc63aa3afde2473ecaf3
Cr-Commit-Position: refs/heads/master@{#33033}
==========

[commit-bot: I haz the power, 2015-12-23 19:29:48]

Patchset 1 (id:??) landed as
https://crrev.com/0bd4131426a84d00c70ccc63aa3afde2473ecaf3
Cr-Commit-Position: refs/heads/master@{#33033}