Remove PDF XFA shutdown workaround.

Remove PDF XFA shutdown workaround.

PDFium fixed the XFA ownership issues in PDFium commit 2116105b.

Review-Url: https://codereview.chromium.org/2917053002
Cr-Commit-Position: refs/heads/master@{#476731}
Committed: https://chromium.googlesource.com/chromium/src/+/84bde8a2308225157772adf9ebe4a3ba245ffcd6

[Lei Zhang, 2017-06-02 10:01:17]

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

[commit-bot: I haz the power, 2017-06-02 10:01:44]

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, 2017-06-02 11:55:53]

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

[commit-bot: I haz the power, 2017-06-02 11:55:54]

Dry run: This issue passed the CQ dry run.

[Lei Zhang, 2017-06-02 17:14:11]

thestig@chromium.org changed reviewers:
+ tsepez@chromium.org

[Tom Sepez, 2017-06-02 18:10:09]

lgtm

[Lei Zhang, 2017-06-02 18:30:56]

The CQ bit was checked by thestig@chromium.org

[commit-bot: I haz the power, 2017-06-02 18:31:28]

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, 2017-06-02 18:36:23]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1496428256638880, "parent_rev":
"15d09411875b70e192ee27969564a2ae32c0ca71", "commit_rev":
"84bde8a2308225157772adf9ebe4a3ba245ffcd6"}

[commit-bot: I haz the power, 2017-06-02 18:36:31]

Description was changed from

==========
Remove PDF XFA shutdown workaround.

PDFium fixed the XFA ownership issues in PDFium commit 2116105b.
==========

to

==========
Remove PDF XFA shutdown workaround.

PDFium fixed the XFA ownership issues in PDFium commit 2116105b.

Review-Url: https://codereview.chromium.org/2917053002
Cr-Commit-Position: refs/heads/master@{#476731}
Committed:
https://chromium.googlesource.com/chromium/src/+/84bde8a2308225157772adf9ebe4...
==========

[commit-bot: I haz the power, 2017-06-02 18:36:32]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/84bde8a2308225157772adf9ebe4...