Roll src/third_party/pdfium 333ac4ae60ac..7dc6b1b652fc (2 commits)

https://pdfium.googlesource.com/pdfium.git/+log/333ac4ae60ac..7dc6b1b652fc


git log 333ac4ae60ac..7dc6b1b652fc --date=short --no-merges --format='%ad %ae %s'
2019-02-15 tsepez@chromium.org CJX_Xfa::thisValue() can be null when called from C++.
2019-02-15 tsepez@chromium.org Document implications of NULL p_JSPlatform in public header.


Created with:
  gclient setdep -r src/third_party/pdfium@7dc6b1b652fc

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=dsinclair@chromium.org

Change-Id: Ife55f85778a342abc037164d76a3120f35f7ce9f
Reviewed-on: https://chromium-review.googlesource.com/c/1475699Reviewed-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@{#632718}

DEPS

@@ -146,7 +146,7 @@ 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': '333ac4ae60ac700fe9089ffe60135b19984e0b89',
+  'pdfium_revision': '7dc6b1b652fc2c53456631d5a3a612af140056dc',
   # 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.