Use smart pointer for CPDF_Form in CPDF_Annot.

Use smart pointer for CPDF_Form in CPDF_Annot.

CPDF_Annot owns CPDF_Form, so use std::unique_ptr for memory management.

BUG=pdfium:518
Committed: https://pdfium.googlesource.com/pdfium/+/c279a3e1bd3da4e7f7504e438e6df8b7079027f9

[jaepark, 2016-07-26 22:58:04]

jaepark@google.com changed reviewers:
+ dsinclair@chromium.org, thestig@chromium.org

[Lei Zhang, 2016-07-26 23:12:19]

lgtm

[jaepark, 2016-07-26 23:25:46]

The CQ bit was checked by jaepark@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-07-26 23:25:56]

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, 2016-07-26 23:44:01]

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

[commit-bot: I haz the power, 2016-07-26 23:44:01]

Dry run: This issue passed the CQ dry run.

[jaepark, 2016-07-27 00:01:05]

The CQ bit was checked by jaepark@google.com

[commit-bot: I haz the power, 2016-07-27 00:01:08]

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, 2016-07-27 00:01:25]

Description was changed from

==========
Use smart pointer for CPDF_Form in CPDF_Annot.

CPDF_Annot owns CPDF_Form, so use std::unique_ptr for memory management.

BUG=pdfium:518
==========

to

==========
Use smart pointer for CPDF_Form in CPDF_Annot.

CPDF_Annot owns CPDF_Form, so use std::unique_ptr for memory management.

BUG=pdfium:518

Committed:
https://pdfium.googlesource.com/pdfium/+/c279a3e1bd3da4e7f7504e438e6df8b70790...
==========

[commit-bot: I haz the power, 2016-07-27 00:01:26]

Committed patchset #1 (id:1) as
https://pdfium.googlesource.com/pdfium/+/c279a3e1bd3da4e7f7504e438e6df8b70790...