Roll src/third_party/pdfium/ 98ec53359..db3c6cefc (2 commits)

https://pdfium.googlesource.com/pdfium.git/+log/98ec53359b8e..db3c6cefcedd

$ git log 98ec53359..db3c6cefc --date=short --no-merges --format='%ad %ae %s'
2018-05-17 thestig Update third_party/base/compiler_specific.h.
2018-05-16 npm Move JBig2 HuffmanTables into JBig2_HuffmanTable.cpp

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: Ie8437df3f524273976b9ed4ee01ecff5172572f9
Reviewed-on: https://chromium-review.googlesource.com/1062917
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@{#559420}

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': '98ec53359b8e61e717440f280d3fcc101fe140bb',
+  'pdfium_revision': 'db3c6cefceddf25c25f1205d7b633f09e873bf98',
   # 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.