Roll src/third_party/pdfium 2585eafdcba3..2aa7e8cbc413 (14 commits)

https://pdfium.googlesource.com/pdfium.git/+log/2585eafdcba3..2aa7e8cbc413


git log 2585eafdcba3..2aa7e8cbc413 --date=short --no-merges --format='%ad %ae %s'
2018-11-15 tsepez@chromium.org Revert "Track indirect object holder in more CPDF_ objects."
2018-11-15 thestig@chromium.org Revert "Slightly simplify CPDF_FontEncoding::Realize()."
2018-11-15 tsepez@chromium.org Revert "Make orphaning old objects automatic during dictionary set/removal."
2018-11-15 tsepez@chromium.org Speculative fix for unit test failure under code coverage
2018-11-15 thestig@chromium.org Remove some inactive OWNERS.
2018-11-15 tsepez@chromium.org Better tests for AFSpecial_Format().
2018-11-14 tsepez@chromium.org Process XFA preamble by inclusion rather than hard-coded strings
2018-11-14 thestig@chromium.org Avoid writing out empty streams in CPDF_Stream::WriteTo().
2018-11-14 thestig@chromium.org Slightly simplify CPDF_FontEncoding::Realize().
2018-11-14 tsepez@chromium.org Make orphaning old objects automatic during dictionary set/removal.
2018-11-14 tsepez@chromium.org Process XFA config by inclusion in place of hard coded strings
2018-11-14 tsepez@chromium.org Process XFA locale by inclusion rather than hard-coded string.
2018-11-14 tsepez@chromium.org Track indirect object holder in more CPDF_ objects.
2018-11-14 thestig@chromium.org Add some basic CPDF_PSEngine tests.


Created with:
  gclient setdep -r src/third_party/pdfium@2aa7e8cbc413

The AutoRoll server is located here: https://autoroll.skia.org/r/pdfium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.



BUG=chromium:901654,chromium:905142,chromium:901654
TBR=dsinclair@chromium.org

Change-Id: Id92cee32fc92da023a16e1bd5fe2e24b0752dbb3
Reviewed-on: https://chromium-review.googlesource.com/c/1337641
Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#608494}