Roll src/third_party/pdfium/ ce7a81583..626a093f5 (8 commits)

https://pdfium.googlesource.com/pdfium.git/+log/ce7a8158376d..626a093f5fde

$ git log ce7a81583..626a093f5 --date=short --no-merges --format='%ad %ae %s'
2018-05-11 hnakashima Rename last CFWL_ComboBox::DisForm* methods.
2018-05-11 hnakashima Remove more dead code from CFWL_ComboBox.
2018-05-11 hnakashima Remove CFWL_Widget::SetFocus(). It is non-op.
2018-05-11 hnakashima Inline or renamed more CFWL_ComboBox::DisForm methods.
2018-05-11 hnakashima Remove CFWL_ComboBoxProxy.
2018-05-11 hnakashima Reland "Filter out "Type" and "DecodeParms" from trailer keys."
2018-05-11 hnakashima Inline Disform_* methods.
2018-05-11 hnakashima Revert "Filter out "Type" and "DecodeParms" from trailer keys."

Created with:
  roll-dep src/third_party/pdfium


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: I3dcfea79eb76675d62f215e739a5474a3f434717
Reviewed-on: https://chromium-review.googlesource.com/1056211
Commit-Queue: pdfium-chromium-autoroll <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: pdfium-chromium-autoroll <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#558062}

DEPS

@@ -120,7 +120,7 @@ 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': 'ce7a8158376dd81e2321a77a331dca5f451b471c',
+  'pdfium_revision': '626a093f5fded0e120de2343431c2ddfd14b957b',
   # 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.