Roll PDFium from 538433c72064 to a58a676ab96a (7 revisions)

https://pdfium.googlesource.com/pdfium.git/+log/538433c72064..a58a676ab96a

2020-10-14 tsepez@chromium.org Split up xfa/fgas/BUILD.gn by crt/ and font/ directories
2020-10-13 tsepez@chromium.org Move xfa/fxgraphics to xfa/fgas/graphics.
2020-10-13 tsepez@chromium.org Observe CFX_Timer's timer handler objects.
2020-10-13 tsepez@chromium.org Make CJS_Object's ObjDefnID be one-based.
2020-10-13 thestig@chromium.org Use "= default" for constructors.
2020-10-13 tsepez@chromium.org Nest class CPLST_Select as CPWL_ListCtrl::SelectState.
2020-10-13 tsepez@chromium.org Rename fpdfsdk/pwl/cpwl_list_impl.{cpp,h} to cpwl_list_ctrl.{cpp,h}

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:1137668
Tbr: pdfium-deps-rolls@chromium.org
Change-Id: Ieaaf961c9793fadedd6c848a02344db4012b8da9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2470296Reviewed-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@{#816896}

DEPS

@@ -219,7 +219,7 @@ 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': '538433c720648f67cf6eb2f3ba108ffd97df9eb3',
+  'pdfium_revision': 'a58a676ab96a459703d02f9f3ea8e06b13ce484d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.