Roll src/third_party/pdfium/ f2ca50ffa..06c685525 (1 commit)

https://pdfium.googlesource.com/pdfium.git/+log/f2ca50ffa2d2..06c6855258bf

$ git log f2ca50ffa..06c685525 --date=short --no-merges --format='%ad %ae %s'
2017-09-13 rharrison Rewrite IsHyphen using string operations

Created with:
  roll-dep src/third_party/pdfium
BUG=763256


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

Change-Id: I95fd0446d3109077c44e88ad4326d5f0641ab9f6
Reviewed-on: https://chromium-review.googlesource.com/665257
Reviewed-by: <pdfium-deps-roller@chromium.org>
Commit-Queue: <pdfium-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#501673}

DEPS

@@ -64,7 +64,7 @@ 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': 'f2ca50ffa2d26a6c023add24e92adbe6b28bfcc9',
+  'pdfium_revision': '06c6855258bf25246c46a1f628b8a8a8185029a7',
   # 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.