[debug-wrapper] migrate debug-backtrace from DCP.

[debug-wrapper] migrate debug-backtrace from DCP.

R=jgruber@chromium.org
BUG=v8:5530
Committed: https://crrev.com/a78a97eb0a1a163e6f43818e59ca1a6419db67b5
Cr-Commit-Position: refs/heads/master@{#41149}

[Yang, 2016-11-21 14:08:11]

The CQ bit was checked by yangguo@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-11-21 14:08:21]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-11-21 14:47:44]

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

[commit-bot: I haz the power, 2016-11-21 14:47:45]

Dry run: This issue passed the CQ dry run.

[jgruber, 2016-11-21 15:16:22]

lgtm, thanks.

[Yang, 2016-11-21 15:16:50]

The CQ bit was checked by yangguo@chromium.org

[commit-bot: I haz the power, 2016-11-21 15:16:59]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-11-21 15:18:55]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1479741410887340, "parent_rev":
["6d12c7b9c31605b44a743265324d9595a70af7b3", null], "commit_rev":
["3469f437581961772611cb6a9147a230b02204fb", null]}

[commit-bot: I haz the power, 2016-11-21 15:19:01]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-21 15:19:20]

Description was changed from

==========
[debug-wrapper] migrate debug-backtrace from DCP.

R=jgruber@chromium.org
BUG=v8:5530
==========

to

==========
[debug-wrapper] migrate debug-backtrace from DCP.

R=jgruber@chromium.org
BUG=v8:5530

Committed: https://crrev.com/a78a97eb0a1a163e6f43818e59ca1a6419db67b5
Cr-Commit-Position: refs/heads/master@{#41149}
==========

[commit-bot: I haz the power, 2016-11-21 15:19:21]

Patchset 1 (id:??) landed as
https://crrev.com/a78a97eb0a1a163e6f43818e59ca1a6419db67b5
Cr-Commit-Position: refs/heads/master@{#41149}