Remove ref counting from CFWL_Event

Remove ref counting from CFWL_Event

CFWL_Event has no Retain method, just a Release method. So, it's essentially
just a delete call whenever used. This CL removes the Release method and turns
the one usage into a unique_ptr.

Committed: https://pdfium.googlesource.com/pdfium/+/038a23f297963997d631d91fefdf97598585f3ba

[dsinclair, 2016-11-16 21:49:33]

dsinclair@chromium.org changed reviewers:
+ npm@chromium.org, tsepez@chromium.org

[dsinclair, 2016-11-16 21:49:33]

PTAL.

[Tom Sepez, 2016-11-16 22:39:59]

brilliant.  LGTM.

[dsinclair, 2016-11-17 01:39:28]

The CQ bit was checked by dsinclair@chromium.org

[commit-bot: I haz the power, 2016-11-17 01:39:37]

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, 2016-11-17 01:55:12]

Description was changed from

==========
Remove ref counting from CFWL_Event

CFWL_Event has no Retain method, just a Release method. So, it's essentially
just a delete call whenever used. This CL removes the Release method and turns
the one usage into a unique_ptr.
==========

to

==========
Remove ref counting from CFWL_Event

CFWL_Event has no Retain method, just a Release method. So, it's essentially
just a delete call whenever used. This CL removes the Release method and turns
the one usage into a unique_ptr.

Committed:
https://pdfium.googlesource.com/pdfium/+/038a23f297963997d631d91fefdf97598585...
==========

[commit-bot: I haz the power, 2016-11-17 01:55:13]

Committed patchset #1 (id:1) as
https://pdfium.googlesource.com/pdfium/+/038a23f297963997d631d91fefdf97598585...