Roll src/third_party/pdfium 481749905d44..ff402c2c4ce8 (11 commits)

https://pdfium.googlesource.com/pdfium.git/+log/481749905d44..ff402c2c4ce8


git log 481749905d44..ff402c2c4ce8 --date=short --no-merges --format='%ad %ae %s'
2018-07-17 tsepez@chromium.org Check for global flag on global proxy objects.
2018-07-16 tsepez@chromium.org Make JSGetObject<C>() return UnownedPtr<C>.
2018-07-16 tsepez@chromium.org Use UnownedPtr/Optional in cfxa_layoutcontext.cpp
2018-07-16 tsepez@chromium.org Use UnownedPtr<> to v8::Isolates.
2018-07-16 hnakashima@chromium.org Fix crash when typing letters into an XFA datetime field.
2018-07-16 rharrison@chromium.org Alert embedder when attempting to save XFA form
2018-07-16 thestig@chromium.org Fix some nits in CPDF_Document.
2018-07-16 vmiklos@collabora.co.uk Add FPDFFormObj_GetObject() API
2018-07-16 rharrison@chromium.org Process data changes regardless if they can be formatted
2018-07-16 tsepez@chromium.org Use UnownedPtr in CXFA_LocaleMgr
2018-07-16 tsepez@chromium.org Remove unused member from CPDF_DataAvail.


Created with:
  gclient setdep -r src/third_party/pdfium@ff402c2c4ce8

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.



BUG=chromium:862059,chromium:857521
TBR=dsinclair@chromium.org

Change-Id: I34c5767262f39734719d87120febf1c2c8193a9a
Reviewed-on: https://chromium-review.googlesource.com/1139006Reviewed-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@{#575525}

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': '481749905d444745ee0ba76d9bcf42b3b009bb27',
+  'pdfium_revision': 'ff402c2c4ce8ae8690959262ca731d5cc6bd7015',
   # 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.