Roll src/third_party/pdfium/ dc0401a0d..dd6528340 (3 commits).

Roll src/third_party/pdfium/ dc0401a0d..dd6528340 (3 commits).

https://pdfium.googlesource.com/pdfium.git/+log/dc0401a0da44..dd65283408d9

$ git log dc0401a0d..dd6528340 --date=short --no-merges --format='%ad %ae %s'
2016-10-28 tsepez Change FX_BOOL definition from int to bool.
2016-10-28 tsepez Fix FX_BOOL / int issue in fx_skia_device.cpp
2016-10-28 npm Revert of Traverse PDF page tree only once in CPDF_Document Try 2 (patchset #3 id:40001 of https://codereview.chromium.org/2442403002/ )

BUG=638513
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

[pdfium-deps-roller, 2016-10-29 17:01:03]

The CQ bit was checked by pdfium-deps-roller@chromium.org

[commit-bot: I haz the power, 2016-10-29 17:01:15]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-29 17:53:23]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-10-29 17:53:24]

Try jobs failed on following builders:
  win_chromium_rel_ng on master.tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)

[pdfium-deps-roller, 2016-10-29 17:53:27]

Commit queue failed; closing this roll.