Roll src/third_party/pdfium a664b953817c..a2d9e64b410f (4 commits)

https://pdfium.googlesource.com/pdfium.git/+log/a664b953817c..a2d9e64b410f


git log a664b953817c..a2d9e64b410f --date=short --no-merges --format='%ad %ae %s'
2019-05-15 tsepez@chromium.org Fix RemoveSelfIfParented() for RetainedTreeNode<>.
2019-05-15 tsepez@chromium.org Rename CFX_FontCache::GetCachedFace() to GetFaceCache()
2019-05-15 thestig@chromium.org Add a test case that exercises DrawCosmeticLine().
2019-05-15 thestig@chromium.org Add a .in file for tagged_alt_text.pdf.


Created with:
  gclient setdep -r src/third_party/pdfium@a2d9e64b410f

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=pdfium-deps-rolls@chromium.org

Change-Id: If94cb100dc67a9862d09e2aeb939f2ebc881fdf3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1613639Reviewed-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@{#660064}

DEPS

@@ -153,7 +153,7 @@ 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': 'a664b953817c9d439a71486f2c1d9cda67edb8ef',
+  'pdfium_revision': 'a2d9e64b410f55bad194fddc35558b9a3a3afa32',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.