Roll src/third_party/pdfium/ d6e9cfaab..8aa3002c6 (1 commit)

https://pdfium.googlesource.com/pdfium.git/+log/d6e9cfaab055..8aa3002c673f

$ git log d6e9cfaab..8aa3002c6 --date=short --no-merges --format='%ad %ae %s'
2017-10-31 art-snake Simplify code in fpdf_transformpage.cpp.

Created with:
  roll-dep src/third_party/pdfium


Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls


TBR=dsinclair@chromium.org

Change-Id: Ia744181344c1980961bd9f134146f25fbb0b1c3d
Reviewed-on: https://chromium-review.googlesource.com/745320
Reviewed-by: <pdfium-deps-roller@chromium.org>
Commit-Queue: <pdfium-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#512721}

DEPS

@@ -83,7 +83,7 @@ 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': 'd6e9cfaab0555c34783dd05261329866b4da1b9f',
+  'pdfium_revision': '8aa3002c673f36909560575514b9a9474e5e66bf',
   # 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.