Update V8 to version 5.2.366.

Update V8 to version 5.2.366.

Summary of changes available at:
https://chromium.googlesource.com/v8/v8/+log/82a7ab8f..8d161084

Please follow these instructions for assigning/CC'ing issues:
https://github.com/v8/v8/wiki/Triaging%20issues

Please close rolling in case of a roll revert:
https://v8-roll.appspot.com/
This only works with a Google account.

CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

TBR=hablich@chromium.org,machenbach@chromium.org,yangguo@chromium.org,vogelheim@chromium.org

[v8-autoroll, 2016-05-19 06:32:19]

The CQ bit was checked by v8-autoroll@chromium.org

[commit-bot: I haz the power, 2016-05-19 06:32:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1993163002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1993163002/1

[commit-bot: I haz the power, 2016-05-19 06:57:04]

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

[commit-bot: I haz the power, 2016-05-19 06:57:08]

Try jobs failed on following builders:
  chromeos_amd64-generic_chromium_compile_only_ng on tryserver.chromium.linux
(JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromeos_amd64-...)

[v8-autoroll, 2016-05-19 07:01:59]

The CQ bit was checked by v8-autoroll@chromium.org

[commit-bot: I haz the power, 2016-05-19 07:02:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1993163002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1993163002/1

[commit-bot: I haz the power, 2016-05-19 07:21:46]

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

[commit-bot: I haz the power, 2016-05-19 07:21:47]

Try jobs failed on following builders:
  chromeos_amd64-generic_chromium_compile_only_ng on tryserver.chromium.linux
(JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromeos_amd64-...)

[Michael Achenbach, 2016-05-19 07:29:53]

On 2016/05/19 07:21:47, commit-bot: I haz the power wrote:
> Try jobs failed on following builders:
>   chromeos_amd64-generic_chromium_compile_only_ng on tryserver.chromium.linux
> (JOB_FAILED,
>
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromeos_amd64-...)

Reverted the culprit and closed the auto roller. I suggest we just wait, given
the few patches.

[Michael Hablich, 2016-05-19 07:39:41]

Thanks, suspected that one too. This is very likely going to be the last roll we
make before branching.