Roll src/third_party/pdfium c2da3ad9993b..542b7933970d (7 commits)

https://pdfium.googlesource.com/pdfium.git/+log/c2da3ad9993b..542b7933970d

git log c2da3ad9993b..542b7933970d --date=short --no-merges --format='%ad %ae %s'
2019-09-16 thestig@chromium.org Disable embedder tests that fail when Skia is enabled.
2019-09-16 thestig@chromium.org Disable embedder tests that fail when Skia or Skia Paths is enabled.
2019-09-16 thestig@chromium.org Change pdfium_test to show Skia build option.
2019-09-16 thestig@chromium.org Disable BarcodeTest when Skia or Skia Paths is enabled.
2019-09-16 thestig@chromium.org Delete dead CPDF_PageObject/CPDF_Path code.
2019-09-16 thestig@chromium.org Avoid some unnecessary copying in CPDF_TextPage.
2019-09-16 nigi@chromium.org [SkiaPaths] Avoid overlapping when drawing text.

Created with:
  gclient setdep -r src/third_party/pdfium@542b7933970d

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

TBR=pdfium-deps-rolls@chromium.org

Bug: None
Change-Id: I02e52076d90726ec153f7a67c9b67338d8452f46
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1806420Reviewed-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@{#696972}

DEPS

@@ -182,7 +182,7 @@ 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': 'c2da3ad9993bb1611691a18032a12306d0e378b3',
+  'pdfium_revision': '542b7933970d10e557b97c80060da6b0e5f1e74b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.