Roll PDFium from dcffb3db73cd to ce72574b54b1 (6 revisions)

https://pdfium.googlesource.com/pdfium.git/+log/dcffb3db73cd..ce72574b54b1

2020-10-02 thestig@chromium.org Rename third_party/base/logging.h to check_op.h.
2020-10-02 thestig@chromium.org Remove unneeded logging.h includes.
2020-10-02 thestig@chromium.org Add third_party/base/check.h and notreached.h.
2020-10-01 tsepez@chromium.org Add some missing const to pdf417.
2020-10-01 thestig@chromium.org Fix gcc build for cfgas_stringformatter.cpp.
2020-10-01 tsepez@chromium.org Use vector of cppgc::Member in XFA_ResolveNodeRS.

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/pdfium-autoroll
Please CC pdfium-deps-rolls@chromium.org on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

Bug: None
Tbr: pdfium-deps-rolls@chromium.org
Change-Id: Ia56f096ff90b7a7f26d64108d2a6a8220afc3d2a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2446570Reviewed-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@{#813295}

DEPS

@@ -215,7 +215,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.
-  'pdfium_revision': 'dcffb3db73cd70771cc57cfdcca93a9b756467fb',
+  'pdfium_revision': 'ce72574b54b131c70c0a5cbd40a7435aacbe63d0',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.