Roll src/third_party/pdfium 0415e02db77d..8584902d81ff (3 commits)

https://pdfium.googlesource.com/pdfium.git/+log/0415e02db77d..8584902d81ff


git log 0415e02db77d..8584902d81ff --date=short --no-merges --format='%ad %ae %s'
2018-07-28 tsepez@chromium.org Remove CXFA_TraverseStrategy_ContentLayoutItem.
2018-07-28 tsepez@chromium.org Add CPDSDK_Annot::AsBAAnnot() checked downcast method
2018-07-28 tsepez@chromium.org Add ToXML{Instruction,Text,CharData}() checked conversion functions


Created with:
  gclient setdep -r src/third_party/pdfium@8584902d81ff

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: I23a32da297352d94c9778b2d92fbce59b72c2f6f
Reviewed-on: https://chromium-review.googlesource.com/1154167Reviewed-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@{#578903}

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': '0415e02db77da26495dc0fbd80de76ce1d777585',
+  'pdfium_revision': '8584902d81ffabc06bb4895f558e375e5429fe72',
   # 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.