Fix observable array access when formatting stack trace.

Fix observable array access when formatting stack trace.

This is a fix intended to be merged. Ideally messages.js should be rewritten.

R=bmeurer@chromium.org
BUG=chromium:617527
Committed: https://crrev.com/85b8c2dc4aee1031ac02f9d7c02d5c1aa76bc2ba
Cr-Commit-Position: refs/heads/master@{#36775}

[Benedikt Meurer, 2016-06-07 07:30:38]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2016-06-07 07:30:39]

lgtm

[commit-bot: I haz the power, 2016-06-07 07:30:46]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2044823002/1

[commit-bot: I haz the power, 2016-06-07 07:45:23]

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

[commit-bot: I haz the power, 2016-06-07 07:45:25]

Try jobs failed on following builders:
  v8_linux_nodcheck_rel_ng on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_nodcheck_rel_ng/bu...)
  v8_linux_nodcheck_rel_ng_triggered on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_nodcheck_rel_ng_tr...)

[Yang, 2016-06-07 08:13:18]

The CQ bit was checked by yangguo@chromium.org

[Yang, 2016-06-07 08:13:20]

The patchset sent to the CQ was uploaded after l-g-t-m from bmeurer@chromium.org
Link to the patchset: https://codereview.chromium.org/2044823002/#ps20001
(title: "fix")

[commit-bot: I haz the power, 2016-06-07 08:13:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2044823002/20001

[commit-bot: I haz the power, 2016-06-07 08:36:51]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-06-07 08:37:56]

Description was changed from

==========
Fix observable array access when formatting stack trace.

This is a fix intended to be merged. Ideally messages.js should be rewritten.

R=bmeurer@chromium.org
BUG=chromium:617527
==========

to

==========
Fix observable array access when formatting stack trace.

This is a fix intended to be merged. Ideally messages.js should be rewritten.

R=bmeurer@chromium.org
BUG=chromium:617527

Committed: https://crrev.com/85b8c2dc4aee1031ac02f9d7c02d5c1aa76bc2ba
Cr-Commit-Position: refs/heads/master@{#36775}
==========

[commit-bot: I haz the power, 2016-06-07 08:37:56]

Patchset 2 (id:??) landed as
https://crrev.com/85b8c2dc4aee1031ac02f9d7c02d5c1aa76bc2ba
Cr-Commit-Position: refs/heads/master@{#36775}