Roll PDFium from 5a61ad5add24 to b4c97323611f (12 revisions)

https://pdfium.googlesource.com/pdfium.git/+log/5a61ad5add24..b4c97323611f

2020-07-07 nigi@chromium.org Change the parameter type for DrawFillStrokePath() and DrawCosmeticLine().
2020-07-07 nigi@chromium.org Make DrawTextPath() use CFX_FillRenderOptions struct as a parameter.
2020-07-07 thestig@chromium.org Add checkout_google_benchmark GN variable to DEPS.
2020-07-06 thestig@chromium.org Roll build/ 1077afd5c..29bc35230 (34 commits)
2020-07-06 thestig@chromium.org Use GetDecoderArray() in CPDF_ImageRenderer::HandleFilters().
2020-07-06 thestig@chromium.org Roll build/ 20016b0d4..1077afd5c (1 commit)
2020-07-06 thestig@chromium.org Roll build/ 414118826..20016b0d4 (23 commits)
2020-07-06 thestig@chromium.org Roll build/ d4fe00fc1..414118826 (1 commit)
2020-07-06 thestig@chromium.org Remove obsolete SkFontHost_mac.cpp entry in skia/BUILD.gn.
2020-07-06 thestig@chromium.org Roll third_party/skia/ c14701a51..1e6460d55 (486 commits)
2020-07-06 thestig@chromium.org Roll third_party/skia/ 7c1f3fabf..c14701a51 (1 commit)
2020-07-06 tsepez@chromium.org Perform more cleanup in FXGCScopedHeap destruction.

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: I1537f1a1758f36a92c760a126b164ef480760178
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2284268Reviewed-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@{#785689}

DEPS

@@ -214,7 +214,7 @@ 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': '5a61ad5add2496ef935137d36ab0d82463da1d0e',
+  'pdfium_revision': 'b4c97323611f92d32cc8e7d1c9b5aeaf2754d5c7',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.