Roll src/third_party/pdfium/ 5f3e4f160..d3b0f7cc7 (3 commits)

https://pdfium.googlesource.com/pdfium.git/+log/5f3e4f1605a5..d3b0f7cc78e6

$ git log 5f3e4f160..d3b0f7cc7 --date=short --no-merges --format='%ad %ae %s'
2018-05-02 hnakashima Remove int out params from reference to pointer in CXFA_Node.
2018-05-02 thestig Make several Huffman decoders consistently check for integer overflows.
2018-05-02 tsepez Remove unused cpdfxfa_context.h includes from unittests

Created with:
  roll-dep src/third_party/pdfium
BUG=chromium:837972


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: Id94199a352df2125f5afc40d50475f73fd7b6aa6
Reviewed-on: https://chromium-review.googlesource.com/1039776Reviewed-by: pdfium-chromium-autoroll <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: pdfium-chromium-autoroll <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#555475}

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': '5f3e4f1605a511c5c3844890172e5395af419d5a',
+  'pdfium_revision': 'd3b0f7cc78e6a143e00e5eb653b3e7c918054426',
   # 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.