Roll src/third_party/pdfium 3dfb55b889fd..3e873fa0184f (3 commits)

https://pdfium.googlesource.com/pdfium.git/+log/3dfb55b889fd..3e873fa0184f


git log 3dfb55b889fd..3e873fa0184f --date=short --no-merges --format='%ad %ae %s'
2019-01-23 thestig@chromium.org Fix a bad memset() in FPDFTextEmbedderTest.
2019-01-23 thestig@chromium.org Wrap a couple CPDFSDK_FormFillEnvironment methods inside ifdefs.
2019-01-23 thestig@chromium.org Fix some g++ -Werror=switch errors.


Created with:
  gclient setdep -r src/third_party/pdfium@3e873fa0184f

The AutoRoll server is located here: https://autoroll.skia.org/r/pdfium-autoroll

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: Ib8a1b346103f7d910b3f783c0bcddeb8df670841
Reviewed-on: https://chromium-review.googlesource.com/c/1431834Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#625417}

DEPS

@@ -145,7 +145,7 @@ 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': '3dfb55b889fdd8add2579757b16f839d87740043',
+  'pdfium_revision': '3e873fa0184f7025f3d4e9da0fe5778a5c5009e7',
   # 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.