Roll src/third_party/pdfium/ af9f83656..1917cdd8c (1 commit)

https://pdfium.googlesource.com/pdfium.git/+log/af9f83656f98..1917cdd8c90b

$ git log af9f83656..1917cdd8c --date=short --no-merges --format='%ad %ae %s'
2018-01-30 dsinclair Cleanup some CPDFSDK_Widget XFA code.

Created with:
  roll-dep src/third_party/pdfium


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

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=dsinclair@chromium.org

Change-Id: Ic7870559e0596ac43919bf0732a649998e138926
Reviewed-on: https://chromium-review.googlesource.com/893599Reviewed-by: pdfium-chromium-autoroll <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: pdfium-chromium-autoroll <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#532961}

DEPS

@@ -107,7 +107,7 @@ 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': 'af9f83656f986b1fd2316972f92f9b3f4c17f620',
+  'pdfium_revision': '1917cdd8c90b977772cdee16cf496e56dce1a2ad',
   # 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.