Roll PDFium from 9d6ec8fb24e8 to d564b0d2baa3 (4 revisions)

https://pdfium.googlesource.com/pdfium.git/+log/9d6ec8fb24e8..d564b0d2baa3

2020-11-06 tsepez@chromium.org Use v8::Global<> directly in CFXJSE_FormCalcContext and tests.
2020-11-06 nigi@chromium.org Enable FPDFEditEmbedderTest.RemoveAllFromStream for Skia/SkiaPaths.
2020-11-06 tsepez@chromium.org De-duplicate some code in cfxjse_formcalc_context_embeddertest.cpp
2020-11-06 tsepez@chromium.org Add alternate CFXJSE_ScopeUtil_IsolateHandleContext constructor.

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: I97744eb59df44e16d00d830c3617ba3625163bea
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2524015Reviewed-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@{#825182}

DEPS

@@ -226,7 +226,7 @@ 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': '9d6ec8fb24e8026b861a3d90ef02f998f880a725',
+  'pdfium_revision': 'd564b0d2baa3fe03087780d7b03a55ab3e171d41',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.