[DevTools] proper cleanup BlackboxManager on targetRemoved

[DevTools] proper cleanup BlackboxManager on targetRemoved

BUG=chromium:671479
R=lushnikov@chromium.org

Committed: https://crrev.com/422ebff9ec33ed3a9219810ba899d7e33799d743
Cr-Commit-Position: refs/heads/master@{#436871}

[kozy, 2016-12-07 01:57:07]

Andrey, please take a look!

[kozy, 2016-12-07 03:05:04]

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

[commit-bot: I haz the power, 2016-12-07 03:05:34]

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

[lushnikov, 2016-12-07 03:10:02]

lgtm

[lushnikov, 2016-12-07 03:10:07]

The CQ bit was unchecked by lushnikov@chromium.org

[lushnikov, 2016-12-07 03:10:07]

The CQ bit was checked by lushnikov@chromium.org

[commit-bot: I haz the power, 2016-12-07 03:10:22]

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, 2016-12-07 05:33:01]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1481080207946040, "parent_rev":
"a052cceb862f970364a519348e712cb31f9de134", "commit_rev":
"353a2b9304bbc9f39f4a2c4566b5047dd9f36fc2"}

[commit-bot: I haz the power, 2016-12-07 05:33:25]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-07 05:34:50]

Description was changed from

==========
[DevTools] proper cleanup BlackboxManager on targetRemoved

BUG=chromium:671479
R=lushnikov@chromium.org
==========

to

==========
[DevTools] proper cleanup BlackboxManager on targetRemoved

BUG=chromium:671479
R=lushnikov@chromium.org

Committed: https://crrev.com/422ebff9ec33ed3a9219810ba899d7e33799d743
Cr-Commit-Position: refs/heads/master@{#436871}
==========

[commit-bot: I haz the power, 2016-12-07 05:34:51]

Patchset 1 (id:??) landed as
https://crrev.com/422ebff9ec33ed3a9219810ba899d7e33799d743
Cr-Commit-Position: refs/heads/master@{#436871}