Roll src/third_party/pdfium 033c7fb180fb..6d82d95f2dd0 (6 commits)

https://pdfium.googlesource.com/pdfium.git/+log/033c7fb180fb..6d82d95f2dd0

git log 033c7fb180fb..6d82d95f2dd0 --date=short --no-merges --format='%ad %ae %s'
2019-07-31 thestig@chromium.org Initialize CPDF_CMap members in the header.
2019-07-31 tsepez@chromium.org Remove CPDF_ModuleMgr.
2019-07-31 tsepez@chromium.org Break direct dependence between fpdfsdk and fxcodec.
2019-07-31 tsepez@chromium.org Remove unused header from cpdfxfa_context.cpp.
2019-07-31 thestig@chromium.org Fix a rendering bug with unwanted lines.
2019-07-31 thestig@chromium.org Add a pixel test for a rendering bug.

Created with:
  gclient setdep -r src/third_party/pdfium@6d82d95f2dd0

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

Bug: None
Change-Id: I694ffee9084abf2bd1ba68a3166c2c4fcb5b0c85
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1730047Reviewed-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@{#683042}

DEPS

@@ -165,7 +165,7 @@ 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': '033c7fb180fbb6936810787009564953b035b23b',
+  'pdfium_revision': '6d82d95f2dd0b0aed10d205e29b3244af467211b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.