Roll src/third_party/pdfium/ 40e0a8191..37e2bd1ac (1 commit).

Roll src/third_party/pdfium/ 40e0a8191..37e2bd1ac (1 commit).

https://pdfium.googlesource.com/pdfium.git/+log/40e0a819100b..37e2bd1acf84

$ git log 40e0a8191..37e2bd1ac --date=short --no-merges --format='%ad %ae %s'
2017-02-23 thestig Fix a wrong variable usage in PDF_EncodeText().

Created with:
  roll-dep src/third_party/pdfium
BUG=694147
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, 2017-02-24 19:04:07]

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

[commit-bot: I haz the power, 2017-02-24 19:04:40]

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, 2017-02-24 22:02:09]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487963047451210, "parent_rev":
"03699d8bbd6a02680b989d4f018a247a7aa98110", "commit_rev":
"152ea3512884a13e3d61a380b66ebb7616377e0a"}

[pdfium-deps-roller, 2017-02-24 22:03:11]

Already rolled past 37e2bd1acf843db4eef891d994390520b8fcf3fa; closing this roll.