api: introduce SealHandleScope

api: introduce SealHandleScope

When debugging Handle leaks in io.js we found it very convenient to be
able to Seal some specific (root in our case) scope to prevent Handle
allocations in it, and easily find leakage.

R=yangguo
BUG=

Committed: https://crrev.com/1f85559a69fb385b9fd7d6724c6113e743ce6fec
Cr-Commit-Position: refs/heads/master@{#27766}

[indutny, 2015-04-10 21:57:55]

fedor.indutny@gmail.com changed reviewers:
+ fedor.indutny@gmail.com

[indutny, 2015-04-10 21:57:55]

Old CL: https://codereview.chromium.org/985873002/

[yangguo, 2015-04-10 22:00:45]

On 2015/04/10 21:57:55, indutny wrote:
> Old CL: https://codereview.chromium.org/985873002/

rubberstamp lgtm (assuming you simply took the old CL)

[indutny, 2015-04-10 22:01:11]

Yep, this is what I did :)

[fedor.indutny, 2015-04-10 22:01:48]

The CQ bit was checked by fedor@indutny.com

[commit-bot: I haz the power, 2015-04-10 22:02:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1079713002/1

[fedor.indutny, 2015-04-10 22:02:35]

Thank you!

[commit-bot: I haz the power, 2015-04-10 22:06:37]

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

[commit-bot: I haz the power, 2015-04-10 22:06:38]

Try jobs failed on following builders:
  v8_presubmit on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_presubmit/builds/1914)

[fedor.indutny, 2015-04-10 22:11:00]

Yang,

I think it had a typo in a test. Fixed it in my fork. Will build it again and
resubmit in a couple of minutes.

Sorry about this.

[fedor.indutny, 2015-04-10 22:20:51]

Updated, do I need another LGTM to start it over?

[Yang, 2015-04-10 22:27:14]

On 2015/04/10 22:20:51, fedor wrote:
> Updated, do I need another LGTM to start it over?

The old lgtm is still good.

[fedor.indutny, 2015-04-10 22:36:19]

The CQ bit was checked by fedor@indutny.com

[fedor.indutny, 2015-04-10 22:36:19]

The patchset sent to the CQ was uploaded after l-g-t-m from yangguo@google.com
Link to the patchset: https://codereview.chromium.org/1079713002/#ps20001
(title: "fix typo in a test")

[commit-bot: I haz the power, 2015-04-10 22:37:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1079713002/20001

[commit-bot: I haz the power, 2015-04-10 23:17:16]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-04-10 23:17:26]

Patchset 2 (id:??) landed as
https://crrev.com/1f85559a69fb385b9fd7d6724c6113e743ce6fec
Cr-Commit-Position: refs/heads/master@{#27766}

[fedor.indutny, 2015-04-11 08:16:18]

On 2015/04/10 23:17:26, I haz the power (commit-bot) wrote:
> Patchset 2 (id:??) landed as
> https://crrev.com/1f85559a69fb385b9fd7d6724c6113e743ce6fec
> Cr-Commit-Position: refs/heads/master@{#27766}

Yay! Thank you!

[fedor.indutny, 2015-04-11 09:14:41]

Yang,

One last question - is it going to be released in next 4.2?

Thank you,
Fedor.