Roll src/third_party/pdfium 355f9eaaf10a..4f5ccaaecd7e (3 commits)

https://pdfium.googlesource.com/pdfium.git/+log/355f9eaaf10a..4f5ccaaecd7e


git log 355f9eaaf10a..4f5ccaaecd7e --date=short --no-merges --format='%ad %ae %s'
2018-10-13 thestig@chromium.org Fix span / unique_ptr destruction order in PDF_DataDecode().
2018-10-13 thestig@chromium.org Make testing/ pass gn check.
2018-10-13 thestig@chromium.org Fix v8 ToLocalChecked() failure in CJS_Runtime.


Created with:
  gclient setdep -r src/third_party/pdfium@4f5ccaaecd7e

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.



BUG=chromium:895026,chromium:894938
TBR=dsinclair@chromium.org

Change-Id: I385c86e2fdb8668f66ff1842698837b25f463ae2
Reviewed-on: https://chromium-review.googlesource.com/c/1279913Reviewed-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@{#599501}

DEPS

@@ -129,7 +129,7 @@ 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': '355f9eaaf10a48e262d8ef29b581a88be91d9cdd',
+  'pdfium_revision': '4f5ccaaecd7e524e98b79af6823a9ab6a8753d7f',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling openmax_dl
   # and whatever else without interference from each other.