Trace active script wrappables on entering final pause

Trace active script wrappables on entering final pause

V8 now tells EmbedderHeapTracer when it enters the final pause, and that is
exactly the place where we need to trace active script wrappables. Previous
implementation is not correct.

LOG=no
BUG=468240
Committed: https://crrev.com/951fd10c953cffb097fde5b2e926550cdca9d27a
Cr-Commit-Position: refs/heads/master@{#400634}

[Marcel Hlopko, 2016-06-17 11:12:23]

hlopko@chromium.org changed reviewers:
+ haraken@chromium.org, hpayer@chromium.org, jochen@chromium.org

[Marcel Hlopko, 2016-06-17 11:12:45]

Ptal.

[haraken, 2016-06-17 12:47:03]

LGTM

[Marcel Hlopko, 2016-06-20 05:49:05]

The CQ bit was checked by hlopko@chromium.org

[commit-bot: I haz the power, 2016-06-20 05:49:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2076133002/1

[commit-bot: I haz the power, 2016-06-20 08:09:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-20 08:11:59]

Description was changed from

==========
Trace active script wrappables on entering final pause

V8 now tells EmbedderHeapTracer when it enters the final pause, and that is
exactly the place where we need to trace active script wrappables. Previous
implementation is not correct.

LOG=no
BUG=468240
==========

to

==========
Trace active script wrappables on entering final pause

V8 now tells EmbedderHeapTracer when it enters the final pause, and that is
exactly the place where we need to trace active script wrappables. Previous
implementation is not correct.

LOG=no
BUG=468240

Committed: https://crrev.com/951fd10c953cffb097fde5b2e926550cdca9d27a
Cr-Commit-Position: refs/heads/master@{#400634}
==========

[commit-bot: I haz the power, 2016-06-20 08:12:01]

Patchset 1 (id:??) landed as
https://crrev.com/951fd10c953cffb097fde5b2e926550cdca9d27a
Cr-Commit-Position: refs/heads/master@{#400634}