Roll src/third_party/pdfium 3fa919347bc7..6f8388801226 (2 commits)

https://pdfium.googlesource.com/pdfium.git/+log/3fa919347bc7..6f8388801226


git log 3fa919347bc7..6f8388801226 --date=short --no-merges --format='%ad %ae %s'
2019-05-10 thestig@chromium.org Remove impossible code related to CPDF_Type3Font.
2019-05-10 thestig@chromium.org Fix nits in CPDF_Pattern and related code.


Created with:
  gclient setdep -r src/third_party/pdfium@6f8388801226

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: I5a98794e854c9082d9ddecd36f0ce6ce29193eb8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1606621Reviewed-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@{#658792}

DEPS

@@ -153,7 +153,7 @@ 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': '3fa919347bc7fd477b50ad3c9cb8131a94b6cb3b',
+  'pdfium_revision': '6f838880122660f1ae62b52a7cc11d840a1c2f81',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.