Merge to XFA: Cleanup CJS_PublicMethods:

Merge to XFA: 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.

TBR=ochang@chromium.org

Review URL: https://codereview.chromium.org/1539113002 .

(cherry picked from commit f84fd2b1dac1fcca41db84d162995c38af650614)

Committed: https://pdfium.googlesource.com/pdfium/+/9559b7ad8b897abefca605098b424c9351622226

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

TBR, clean merge.

[Lei Zhang, 2015-12-21 19:12:25]

Description was changed from

==========
Merge to XFA: 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.

TBR=ochang@chromium.org

Review URL: https://codereview.chromium.org/1539113002 .

(cherry picked from commit f84fd2b1dac1fcca41db84d162995c38af650614)
==========

to

==========
Merge to XFA: 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.

TBR=ochang@chromium.org

Review URL: https://codereview.chromium.org/1539113002 .

(cherry picked from commit f84fd2b1dac1fcca41db84d162995c38af650614)

Committed:
https://pdfium.googlesource.com/pdfium/+/9559b7ad8b897abefca605098b424c935162...
==========

[Lei Zhang, 2015-12-21 19:12:26]

Committed patchset #1 (id:1) manually as
9559b7ad8b897abefca605098b424c9351622226 (presubmit successful).

[Oliver Chang, 2015-12-21 19:17:02]

lgtm