Roll src/third_party/pdfium/ ddfa51770..ce7a81583 (1 commit)

https://pdfium.googlesource.com/pdfium.git/+log/ddfa5177021f..ce7a8158376d

$ git log ddfa51770..ce7a81583 --date=short --no-merges --format='%ad %ae %s'
2018-05-11 hnakashima Remove CFWL_WidgetMgr::IsFormDisabled().

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: Icda4afe2adbece934b4e0dcd081ec54b6a1e117c
Reviewed-on: https://chromium-review.googlesource.com/1055851
Commit-Queue: pdfium-chromium-autoroll <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: pdfium-chromium-autoroll <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#558013}

DEPS

@@ -120,7 +120,7 @@ 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': 'ddfa5177021f76b4d84c6fbdce964ab3ca17e046',
+  'pdfium_revision': 'ce7a8158376dd81e2321a77a331dca5f451b471c',
   # 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.