Roll src/third_party/pdfium b924003d3504..55ccb526913d (3 commits)

https://pdfium.googlesource.com/pdfium.git/+log/b924003d3504..55ccb526913d


git log b924003d3504..55ccb526913d --date=short --no-merges --format='%ad %ae %s'
2018-08-14 tsepez@chromium.org Remove optional argument from NewFXJSBoundObject().
2018-08-14 tsepez@chromium.org Remove optional argument from GetVariablesThis().
2018-08-14 tsepez@chromium.org Remove default args from CPDF_DIBSource::StartLoadDIBSource().


Created with:
  gclient setdep -r src/third_party/pdfium@55ccb526913d

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: I4652a8ea4f767ed76094b09fce5ada5c2f03568f
Reviewed-on: https://chromium-review.googlesource.com/1175249Reviewed-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@{#583157}

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': 'b924003d35048babcf86d6b8cc0aef9e3ad33173',
+  'pdfium_revision': '55ccb526913debb3269a33792bbd61b05656ec46',
   # 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.