Roll src/third_party/pdfium 1217cd17daba..d15d718e8d5e (5 commits)

https://pdfium.googlesource.com/pdfium.git/+log/1217cd17daba..d15d718e8d5e

git log 1217cd17daba..d15d718e8d5e --date=short --first-parent --format='%ad %ae %s'
2020-02-19 tsepez@chromium.org Protect owning layout item in all UpdateFWLData() overrides.
2020-02-19 nigi@chromium.org Roll third_party/binutils/ 01aa7745b..ffd1fdb90 (1 commit)
2020-02-19 nigi@chromium.org Roll tools/memory/ f7b00daf4..89552acb6 (1 commit)
2020-02-19 nigi@chromium.org Roll third_party/instrumented_libraries/ 4dca59c6a..bb3f1802c (1 commit)
2020-02-19 tsepez@chromium.org Pass spans to UTF8Decode() in cfx_seekablestreamproxy.cpp

Created with:
  gclient setdep -r src/third_party/pdfium@d15d718e8d5e

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:1040329,chromium:1052786,chromium:1053617
Tbr: pdfium-deps-rolls@chromium.org
Change-Id: I38b0499a67c4f681302621455ddd7dca9011c4ea
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2065391
Reviewed-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@{#742885}

DEPS

@@ -191,7 +191,7 @@ 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': '1217cd17daba556f01f72bcb5575ab1650c5f41b',
+  'pdfium_revision': 'd15d718e8d5e8d664454625f2b0c51ed71a2b10e',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.