ValueSerializer: promote scheduled exception if the caller throws one.

ValueSerializer: promote scheduled exception if the caller throws one.

v8::Isolate::Throw only schedules the exception; it is necessary to promote it
after invoking the delegate.

BUG=chromium:148757
Committed: https://crrev.com/3472b57a8f22e0ec686ad6f048263ea41780b423
Cr-Commit-Position: refs/heads/master@{#39395}

[jbroman, 2016-09-12 19:43:54]

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

[commit-bot: I haz the power, 2016-09-12 19:44:06]

Dry run: 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, 2016-09-12 20:07:57]

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

[commit-bot: I haz the power, 2016-09-12 20:07:58]

Dry run: This issue passed the CQ dry run.

[jbroman, 2016-09-12 20:20:16]

jbroman@chromium.org changed reviewers:
+ jkummerow@chromium.org

[jbroman, 2016-09-12 20:20:16]

v8::Isolate::Throw (which delegates are likely to use) makes the thrown
exception scheduled, not pending. Such exceptions should be pending before
proceeding here.

[Jakob Kummerow, 2016-09-14 01:12:45]

lgtm

[jbroman, 2016-09-14 01:30:21]

The CQ bit was checked by jbroman@chromium.org

[commit-bot: I haz the power, 2016-09-14 01:30:32]

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, 2016-09-14 02:04:56]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-14 02:05:43]

Description was changed from

==========
ValueSerializer: promote scheduled exception if the caller throws one.

v8::Isolate::Throw only schedules the exception; it is necessary to promote it
after invoking the delegate.

BUG=chromium:148757
==========

to

==========
ValueSerializer: promote scheduled exception if the caller throws one.

v8::Isolate::Throw only schedules the exception; it is necessary to promote it
after invoking the delegate.

BUG=chromium:148757

Committed: https://crrev.com/3472b57a8f22e0ec686ad6f048263ea41780b423
Cr-Commit-Position: refs/heads/master@{#39395}
==========

[commit-bot: I haz the power, 2016-09-14 02:05:44]

Patchset 1 (id:??) landed as
https://crrev.com/3472b57a8f22e0ec686ad6f048263ea41780b423
Cr-Commit-Position: refs/heads/master@{#39395}