Roll src/third_party/pdfium a7a957f7cec2..f3a3393a2f96 (5 commits)

https://pdfium.googlesource.com/pdfium.git/+log/a7a957f7cec2..f3a3393a2f96


git log a7a957f7cec2..f3a3393a2f96 --date=short --no-merges --format='%ad %ae %s'
2018-08-06 thestig@chromium.org Avoid invalid object numbers in CPDF_Parser::LoadCrossRefV5().
2018-08-06 tsepez@chromium.org Small optimization in CJBig2_Image::SubImage()
2018-08-06 thestig@chromium.org Check for null object type in CPDF_Parser::LoadCrossRefV5().
2018-08-06 thestig@chromium.org Do more CPDF_Parser::LoadCrossRefV5() cleanup.
2018-08-06 rharrison@chromium.org Clean up a nit that was identified after CQing an earlier CL


Created with:
  gclient setdep -r src/third_party/pdfium@f3a3393a2f96

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.



BUG=chromium:865272,chromium:871042,chromium:863098
TBR=dsinclair@chromium.org

Change-Id: I244334140b9abd5f018f052799d278320c51e5fc
Reviewed-on: https://chromium-review.googlesource.com/1163845Reviewed-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@{#580959}

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': 'a7a957f7cec2380b1f04f7166780dba50c0d5d85',
+  'pdfium_revision': 'f3a3393a2f96bb8c4cc275ee67921e2b7bddf540',
   # 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.