Roll PDFium from ce72574b54b1 to fca083c57b5f (6 revisions)

https://pdfium.googlesource.com/pdfium.git/+log/ce72574b54b1..fca083c57b5f

2020-10-03 nigi@chromium.org Update Skia rendering results of FPDFFormFillEmbedderTest.FormText.
2020-10-03 thestig@chromium.org Replace ASSERT() with DCHECK() in xfa/fxfa.
2020-10-02 thestig@chromium.org Wrap AGG code in namespace pdfium.
2020-10-02 thestig@chromium.org Wrap fx_memory code in namespace pdfium.
2020-10-02 tsepez@chromium.org Bound length of input in pdf_bidi_fuzzer.
2020-10-02 tsepez@chromium.org Conditionalize FXGC init in fuzzers based on COMPONENT_BUILD

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: chromium:1134327,chromium:1134485
Tbr: pdfium-deps-rolls@chromium.org
Change-Id: I3d9388305ec5b0def41becc285d5973e9196b6c5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2447578Reviewed-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@{#813534}

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': 'ce72574b54b131c70c0a5cbd40a7435aacbe63d0',
+  'pdfium_revision': 'fca083c57b5f095e62bf2fc3121a429227a8487f',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.