Roll src/third_party/pdfium 6d9897b103ae..4b17aea63fed (2 commits)

https://pdfium.googlesource.com/pdfium.git/+log/6d9897b103ae..4b17aea63fed


git log 6d9897b103ae..4b17aea63fed --date=short --no-merges --format='%ad %ae %s'
2018-08-08 tsepez@chromium.org Remove include of <time.h> from fpdfsdk/cpdfsdk_datetime.h
2018-08-08 tsepez@chromium.org Move ByteString::FromUnicode() to WideString::ToDefANSI()


Created with:
  gclient setdep -r src/third_party/pdfium@4b17aea63fed

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: If0d63c79beef3b4444b51c75c864e0db0c193806
Reviewed-on: https://chromium-review.googlesource.com/1168002Reviewed-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@{#581733}

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': '6d9897b103aef10b369eb999a40c22011a8ae4f5',
+  'pdfium_revision': '4b17aea63fede24925cd7579c27f55298e5e9937',
   # 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.