Roll src/third_party/pdfium 94246cb21c8f..78f6819b0e70 (8 commits)

https://pdfium.googlesource.com/pdfium.git/+log/94246cb21c8f..78f6819b0e70


git log 94246cb21c8f..78f6819b0e70 --date=short --no-merges --format='%ad %ae %s'
2019-05-31 tsepez@chromium.org Reland "Split off CPDF_ModuleMgr:Create() from CPDF_ModuleMgr::Get()""
2019-05-31 thestig@chromium.org Add CXFA_Node::GetXMLDocument() helper.
2019-05-31 thestig@chromium.org Update third_party/base/numerics/ code.
2019-05-31 thestig@chromium.org Update third_party/base/numerics/safe_conversions code.
2019-05-31 thestig@chromium.org Add a ReadArrayElementsToVector() helper function.
2019-05-31 thestig@chromium.org Break remaining dependency from fxge to fxcodec.
2019-05-31 thestig@chromium.org Fix some nits in SkiaState.
2019-05-31 tsepez@chromium.org Move PDF_{Adobe,Unicode}NameFrom{Unicode,Adobe}() to core/fxge.


Created with:
  gclient setdep -r src/third_party/pdfium@78f6819b0e70

The AutoRoll server is located here: https://autoroll.skia.org/r/pdfium-autoroll

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

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


TBR=pdfium-deps-rolls@chromium.org

Change-Id: Id4bce88022cecedbe1c59f24be8337a9c897d3f2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1638489Reviewed-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@{#665190}

DEPS

@@ -158,7 +158,7 @@ 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': '94246cb21c8f6708c16f9fc97aa5be6564fbe8e0',
+  'pdfium_revision': '78f6819b0e70edfac5a7b31a4645efb92e7f2c10',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.