Roll src/third_party/pdfium f46d49b52d39..b924003d3504 (7 commits)

https://pdfium.googlesource.com/pdfium.git/+log/f46d49b52d39..b924003d3504


git log f46d49b52d39..b924003d3504 --date=short --no-merges --format='%ad %ae %s'
2018-08-14 thestig@chromium.org Remove unreachable vertical text code in CPDF_Document.
2018-08-14 tsepez@chromium.org Remove default level from FPDF_GetFieldAttr().
2018-08-14 vmiklos@collabora.co.uk Add FPDFFormObj_GetMatrix() API
2018-08-14 tsepez@chromium.org Remove unused form/args of AddWindowsFont()
2018-08-14 thestig@chromium.org Add CPDF_Type1Font::IsBase14Font() to replace GetBase14Font().
2018-08-14 thestig@chromium.org Remove CFX_BufferSeekableReadStream.
2018-08-14 tsepez@chromium.org Remove more default arg = nullptr cases.


Created with:
  gclient setdep -r src/third_party/pdfium@b924003d3504

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: I2d9bc49618d805737348097adcee81d84f5cbef2
Reviewed-on: https://chromium-review.googlesource.com/1174797Reviewed-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@{#583135}

DEPS

@@ -129,7 +129,7 @@ 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': 'f46d49b52d39f8a56e40a95e0d9d2b574301fa04',
+  'pdfium_revision': 'b924003d35048babcf86d6b8cc0aef9e3ad33173',
   # 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.