XFA: Fix win8 gn build under chromium checkout (non-xfa)

XFA: Fix win8 gn build under chromium checkout (non-xfa)

The no nominmax config was lost when moving from master.
Fix a few other small differences along the way, and fully
conditionalize the build of tiff.

R=thestig@chromium.org

Committed: https://pdfium.googlesource.com/pdfium/+/465ed873abc829e9dda39f30c8679d2d18721f62

[Tom Sepez, 2015-12-09 19:04:25]

Description was changed from

==========
Fix win8 gn build.

The no nominmax config was lost when moving from master.
Fix a few other small differences along the way, and fully
conditionalize the build of tiff.
==========

to

==========
XFA: Fix win8 gn build under chromium checkout (non-xfa)

The no nominmax config was lost when moving from master.
Fix a few other small differences along the way, and fully
conditionalize the build of tiff.
==========

[Tom Sepez, 2015-12-09 19:04:25]

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

[Tom Sepez, 2015-12-09 19:04:57]

Lei, this is likely the red trybot during yesterdays trial.

[Lei Zhang, 2015-12-09 22:47:12]

lgtm

[Tom Sepez, 2015-12-09 22:55:44]

Description was changed from

==========
XFA: Fix win8 gn build under chromium checkout (non-xfa)

The no nominmax config was lost when moving from master.
Fix a few other small differences along the way, and fully
conditionalize the build of tiff.
==========

to

==========
XFA: Fix win8 gn build under chromium checkout (non-xfa)

The no nominmax config was lost when moving from master.
Fix a few other small differences along the way, and fully
conditionalize the build of tiff.

R=thestig@chromium.org

Committed:
https://pdfium.googlesource.com/pdfium/+/465ed873abc829e9dda39f30c8679d2d1872...
==========

[Tom Sepez, 2015-12-09 22:55:45]

Committed patchset #1 (id:1) manually as
465ed873abc829e9dda39f30c8679d2d18721f62 (presubmit successful).