[inspector] collect old async stack traces 20% faster

[inspector] collect old async stack traces 20% faster

BUG=v8:6189
R=dgozman@chromium.org

Review-Url: https://codereview.chromium.org/2826183002
Cr-Commit-Position: refs/heads/master@{#44755}
Committed: https://chromium.googlesource.com/v8/v8/+/296be5222d74acd61ea10894b06690016acaf582

[kozy, 2017-04-19 17:58:04]

Dmitry, please take a look.

[dgozman, 2017-04-19 20:30:13]

Interesting how this is faster...

lgtm

[kozy, 2017-04-20 00:12:31]

On 2017/04/19 20:30:13, dgozman wrote:
> Interesting how this is faster...
> 
> lgtm

copying of smart pointers is hard.

[kozy, 2017-04-20 17:10:09]

Patchset #2 (id:20001) has been deleted

[kozy, 2017-04-20 17:43:03]

The CQ bit was checked by kozyatinskiy@chromium.org

[kozy, 2017-04-20 17:43:03]

The patchset sent to the CQ was uploaded after l-g-t-m from dgozman@chromium.org
Link to the patchset: https://codereview.chromium.org/2826183002/#ps40001
(title: "rebased")

[commit-bot: I haz the power, 2017-04-20 17:43:17]

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, 2017-04-20 18:07:24]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1492710183361480,
"parent_rev": "f4721a5f30a5a4c57f34b7ee522c8ffa30dbe353", "commit_rev":
"296be5222d74acd61ea10894b06690016acaf582"}

[commit-bot: I haz the power, 2017-04-20 18:07:31]

Description was changed from

==========
[inspector] collect old async stack traces 20% faster

BUG=v8:6189
R=dgozman@chromium.org
==========

to

==========
[inspector] collect old async stack traces 20% faster

BUG=v8:6189
R=dgozman@chromium.org

Review-Url: https://codereview.chromium.org/2826183002
Cr-Commit-Position: refs/heads/master@{#44755}
Committed:
https://chromium.googlesource.com/v8/v8/+/296be5222d74acd61ea10894b06690016ac...
==========

[commit-bot: I haz the power, 2017-04-20 18:07:32]

Committed patchset #2 (id:40001) as
https://chromium.googlesource.com/v8/v8/+/296be5222d74acd61ea10894b06690016ac...