Roll src/third_party/pdfium/ 95061379c..80302c77a (5 commits)

https://pdfium.googlesource.com/pdfium.git/+log/95061379c945..80302c77a854

$ git log 95061379c..80302c77a --date=short --no-merges --format='%ad %ae %s'
2018-05-10 rharrison Use test_dir instead of 'pdfium' for source type
2018-05-10 thestig Add CPDF_Transparency.
2018-05-10 thestig Make GetTestDataDir() work in a non-standalone checkout.
2018-05-10 tsepez Fix destruction order in CPDF_Dibsource.
2018-05-10 npm Remove a completeness check from CJBig2_GRRDProc::DecodeTemplate0Opt

Created with:
  roll-dep src/third_party/pdfium
BUG=chromium:841513,chromium:840695,chromium:841200


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: I579c4a7663af521bb842f5e0f309f2bcd71732f3
Reviewed-on: https://chromium-review.googlesource.com/1054263Reviewed-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@{#557647}

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': '95061379c9453b941783398826acff674d2bbfd7',
+  'pdfium_revision': '80302c77a854e3252bb4c1dc6f09ea3097536092',
   # 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.