Roll PDFium from a4b11d6beb5b to f15df302f5cc (7 revisions)

https://pdfium.googlesource.com/pdfium.git/+log/a4b11d6beb5b..f15df302f5cc

2025-04-09 thestig@chromium.org Clang-format //fxbarcode
2025-04-08 thestig@chromium.org Fix references to non-existent APIs in fpdf_annot.h
2025-04-08 thestig@chromium.org Clang-format //xfa
2025-04-08 tsepez@chromium.org Convert to google_style_ members in fpdfdoc
2025-04-08 tsepez@chromium.org Convert to google_style_ member naming in fpdfsdk/
2025-04-08 thestig@chromium.org Roll third_party/skia/ b5b6f29d6..7d56b9cc7 (100 commits)
2025-04-08 thestig@chromium.org Roll build, clang and rust

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 dhoss@chromium.org,thestig@chromium.org,thestig@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in PDFium: https://bugs.chromium.org/p/pdfium/issues/entry
To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

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

Bug: chromium:42271580
Tbr: thestig@google.com
Change-Id: I44723fe0f93e3a648f42bed0830e8f025f108fcb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6442840
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1444510}