[Reading List iOS] Test WebState on JavaScript return.

[Reading List iOS] Test WebState on JavaScript return.

ContinuePageDistillation can be called on return from JavaScript call.
WebState can be deleted (specially if there was an error).
So test before dereferencing it.

BUG=703102
Review-Url: https://codereview.chromium.org/2761733003
Cr-Commit-Position: refs/heads/master@{#458061}
Committed: https://chromium.googlesource.com/chromium/src/+/aca5aa3e2873c888092bf83668286b515e891bfb

[Olivier, 2017-03-20 12:52:30]

Description was changed from

==========
Test WebState on javascript return.

ContinuePageDistillation can be called on return from Javascript call.
WebState can be deleted (specially if there was an error).
So test before dereferencing it.

BUG=703102
==========

to

==========
[Reading List iOS] Test WebState on JavaScript return.

ContinuePageDistillation can be called on return from JavaScript call.
WebState can be deleted (specially if there was an error).
So test before dereferencing it.

BUG=703102
==========

[Olivier, 2017-03-20 12:52:31]

olivierrobin@chromium.org changed reviewers:
+ jif@chromium.org

[jif, 2017-03-20 14:25:44]

lgtm

[Olivier, 2017-03-20 14:26:28]

The CQ bit was checked by olivierrobin@chromium.org

[commit-bot: I haz the power, 2017-03-20 14:26:43]

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, 2017-03-20 14:58:31]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490019988919430, "parent_rev":
"2109641dd655c902d346ec9b3972b7519ee1da46", "commit_rev":
"aca5aa3e2873c888092bf83668286b515e891bfb"}

[commit-bot: I haz the power, 2017-03-20 14:59:17]

Description was changed from

==========
[Reading List iOS] Test WebState on JavaScript return.

ContinuePageDistillation can be called on return from JavaScript call.
WebState can be deleted (specially if there was an error).
So test before dereferencing it.

BUG=703102
==========

to

==========
[Reading List iOS] Test WebState on JavaScript return.

ContinuePageDistillation can be called on return from JavaScript call.
WebState can be deleted (specially if there was an error).
So test before dereferencing it.

BUG=703102

Review-Url: https://codereview.chromium.org/2761733003
Cr-Commit-Position: refs/heads/master@{#458061}
Committed:
https://chromium.googlesource.com/chromium/src/+/aca5aa3e2873c888092bf8366828...
==========

[commit-bot: I haz the power, 2017-03-20 14:59:18]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/aca5aa3e2873c888092bf8366828...