Roll src/third_party/pdfium 8ecb862ae74d..da0658022d4c (3 commits)

https://pdfium.googlesource.com/pdfium.git/+log/8ecb862ae74d..da0658022d4c

git log 8ecb862ae74d..da0658022d4c --date=short --first-parent --format='%ad %ae %s'
2020-03-09 bravi@microsoft.com Adding test cases for enter key press on buttons
2020-03-09 bravi@microsoft.com Moving drawing focus rect to class CFX_DrawUtils
2020-03-06 tsepez@chromium.org Remove stray forward declaration of CFXJS_Engine.

Created with:
  gclient setdep -r src/third_party/pdfium@da0658022d4c

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/+/master/autoroll/README.md

Bug: chromium:994500
Tbr: pdfium-deps-rolls@chromium.org
Change-Id: I847d0624887b02a2b0a9a369fbc0644f1d7d6a6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2095655Reviewed-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@{#748418}

DEPS

@@ -195,7 +195,7 @@ 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': '8ecb862ae74dda3e98cfe7e027d0b7800514ee0f',
+  'pdfium_revision': 'da0658022d4cfbb40c85a84a1fc889fb057bcdc4',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.