[inspector] fixed injected-script-host crash

[inspector] fixed injected-script-host crash

It's possible to get undefined as a result of Object.getOwnPropertyDescriptor. We should be ready for this.

BUG=chromium:707670
R=alph@chromium.org

Review-Url: https://codereview.chromium.org/2801763002
Cr-Commit-Position: refs/heads/master@{#44532}
Committed: https://chromium.googlesource.com/v8/v8/+/2e5dd217dfc3221f05a6186c1223947e300e8a8f

[kozy, 2017-04-05 15:11:49]

Aleksey, please take a look.

[kozy, 2017-04-10 02:44:39]

ping

[alph, 2017-04-10 08:15:39]

lgtm

[kozy, 2017-04-10 15:15:59]

The CQ bit was checked by kozyatinskiy@chromium.org

[commit-bot: I haz the power, 2017-04-10 15:16:06]

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, 2017-04-10 15:44:49]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491837359082000, "parent_rev":
"e00dd8ebe1da17f9e85d9b85fa063266cab379e1", "commit_rev":
"2e5dd217dfc3221f05a6186c1223947e300e8a8f"}

[commit-bot: I haz the power, 2017-04-10 15:44:55]

Description was changed from

==========
[inspector] fixed injected-script-host crash

It's possible to get undefined as a result of Object.getOwnPropertyDescriptor.
We should be ready for this.

BUG=chromium:707670
R=alph@chromium.org
==========

to

==========
[inspector] fixed injected-script-host crash

It's possible to get undefined as a result of Object.getOwnPropertyDescriptor.
We should be ready for this.

BUG=chromium:707670
R=alph@chromium.org

Review-Url: https://codereview.chromium.org/2801763002
Cr-Commit-Position: refs/heads/master@{#44532}
Committed:
https://chromium.googlesource.com/v8/v8/+/2e5dd217dfc3221f05a6186c1223947e300...
==========

[commit-bot: I haz the power, 2017-04-10 15:44:56]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/2e5dd217dfc3221f05a6186c1223947e300...