Roll src/third_party/pdfium/ f668ed47a..5ca283f37 (2 commits)

https://pdfium.googlesource.com/pdfium.git/+log/f668ed47ae54..5ca283f37681

$ git log f668ed47a..5ca283f37 --date=short --no-merges --format='%ad %ae %s'
2018-01-19 rharrison Remove code added in by a bad rebase or merge
2018-01-19 hnakashima Fix CFX_Matrix.RotateAt()

Created with:
  roll-dep src/third_party/pdfium
BUG=803732,803735


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: Ib98604211a47521d853516da68adcdf091973e43
Reviewed-on: https://chromium-review.googlesource.com/876882
Reviewed-by: <pdfium-deps-roller@chromium.org>
Commit-Queue: <pdfium-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#530677}

DEPS

@@ -103,7 +103,7 @@ 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': 'f668ed47ae5472e903ba79499cbff39927155ae2',
+  'pdfium_revision': '5ca283f376816522065c0ea35644fcb684f9572f',
   # 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.