Enable chromium_code standard for XFA code

Enable chromium_code standard for XFA code

Clean up the left code which causes warnings. Enable using chromium_code
for XFA compilation, also re-enable all the msvs warning flags except
4267 (same as the main pdfium code).

BUG=pdfium:29, pdfium:475
Committed: https://pdfium.googlesource.com/pdfium/+/60607c3baaf52574cab748a97c213e447c9108c0

[Wei Li, 2016-05-26 17:29:41]

Patchset #1 (id:1) has been deleted

[Wei Li, 2016-05-26 18:22:23]

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

[Wei Li, 2016-05-26 18:22:24]

for review, thanks

[Tom Sepez, 2016-05-26 18:24:43]

lgtm

[Wei Li, 2016-05-26 18:34:57]

Description was changed from

==========
Enable chromium_code standard for XFA code

Clean up the left code which causes warnings. Enable using chromium_code
for XFA compilation, also re-enable all the msvs warning flags except
4267 (same as the main pdfium code).

BUG=pdfium:29
==========

to

==========
Enable chromium_code standard for XFA code

Clean up the left code which causes warnings. Enable using chromium_code
for XFA compilation, also re-enable all the msvs warning flags except
4267 (same as the main pdfium code).

BUG=pdfium:29,pdfium:475
==========

[Wei Li, 2016-05-26 18:37:53]

The CQ bit was checked by weili@chromium.org

[Wei Li, 2016-05-26 18:37:54]

The patchset sent to the CQ was uploaded after l-g-t-m from tsepez@chromium.org
Link to the patchset: https://codereview.chromium.org/2009813004/#ps40001
(title: "rebase")

[commit-bot: I haz the power, 2016-05-26 18:38:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2009813004/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2009813004/40001

[commit-bot: I haz the power, 2016-05-26 18:53:15]

Description was changed from

==========
Enable chromium_code standard for XFA code

Clean up the left code which causes warnings. Enable using chromium_code
for XFA compilation, also re-enable all the msvs warning flags except
4267 (same as the main pdfium code).

BUG=pdfium:29,pdfium:475
==========

to

==========
Enable chromium_code standard for XFA code

Clean up the left code which causes warnings. Enable using chromium_code
for XFA compilation, also re-enable all the msvs warning flags except
4267 (same as the main pdfium code).

BUG=pdfium:29,pdfium:475

Committed:
https://pdfium.googlesource.com/pdfium/+/60607c3baaf52574cab748a97c213e447c91...
==========

[commit-bot: I haz the power, 2016-05-26 18:53:16]

Committed patchset #2 (id:40001) as
https://pdfium.googlesource.com/pdfium/+/60607c3baaf52574cab748a97c213e447c91...