Cleanup CJS_PublicMethods

Cleanup CJS_PublicMethods:

- Use FXSYS_iswdigit() instead of CJS_PublicMethods::IsDigit().
- Ditto for FXSYS_iswalpha() and FXSYS_iswalnum().
- Change CJS_PublicMethods::ParseNormalDate() and
  CJS_PublicMethods::MakeRegularDate() to take an out parameter by ptr.

R=ochang@chromium.org

Committed: https://pdfium.googlesource.com/pdfium/+/f84fd2b1dac1fcca41db84d162995c38af650614

[Lei Zhang, 2015-12-21 18:50:46]

Patchset #1 (id:1) has been deleted

[Lei Zhang, 2015-12-21 18:51:14]

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

[Oliver Chang, 2015-12-21 18:59:41]

lgtm

[Lei Zhang, 2015-12-21 19:07:59]

Description was changed from

==========
Cleanup CJS_PublicMethods:

- Use FXSYS_iswdigit() instead of CJS_PublicMethods::IsDigit().
- Ditto for FXSYS_iswalpha() and FXSYS_iswalnum().
- Change CJS_PublicMethods::ParseNormalDate() and
  CJS_PublicMethods::MakeRegularDate() to take an out parameter by ptr.
==========

to

==========
Cleanup CJS_PublicMethods:

- Use FXSYS_iswdigit() instead of CJS_PublicMethods::IsDigit().
- Ditto for FXSYS_iswalpha() and FXSYS_iswalnum().
- Change CJS_PublicMethods::ParseNormalDate() and
  CJS_PublicMethods::MakeRegularDate() to take an out parameter by ptr.

R=ochang@chromium.org

Committed:
https://pdfium.googlesource.com/pdfium/+/f84fd2b1dac1fcca41db84d162995c38af65...
==========

[Lei Zhang, 2015-12-21 19:08:00]

Committed patchset #2 (id:40001) manually as
f84fd2b1dac1fcca41db84d162995c38af650614 (presubmit successful).