Roll src/third_party/pdfium/ 89f9ee3b8..98151cab3 (10 commits).

https://pdfium.googlesource.com/pdfium.git/+log/89f9ee3b8f3b..98151cab3d24

$ git log 89f9ee3b8..98151cab3 --date=short --no-merges --format='%ad %ae %s'
2016-10-04 dsinclair Cleanup DEPS files
2016-10-04 dsinclair Fix fuzzer paths
2016-10-04 npm Avoid crashing on CPDF_ToUnicodeMap::Load by using ValueOrDefault()
2016-10-04 dsinclair Make sure the fuzzer read size does not go negative.
2016-10-04 dsinclair Move core/fpdfapi/fpdf_render to core/fpdfapi/render
2016-10-04 dsinclair Move core/fpdfapi/fpdf_parser to core/fpdfapi/parser
2016-10-04 dsinclair Move core/fpdfapi/fpdf_page to core/fpdfapi/page
2016-10-04 dsinclair Move core/fpdfapi/fpdf_font to core/fpdfapi/font
2016-10-04 dsinclair Move core/fpdfapi/fpdf_edit to core/fpdfapi/edit
2016-10-04 dsinclair Move core/fpdfapi/fpdf_cmaps to core/fpdfapi/cmaps

BUG=621836

TBR=dsinclair@chromium.org

Review-Url: https://codereview.chromium.org/2393643003
Cr-Commit-Position: refs/heads/master@{#422958}

DEPS

@@ -63,7 +63,7 @@ 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': '89f9ee3b8f3b4756f05ff48055f4bff7353201e2',
+  'pdfium_revision': '98151cab3d24c021597d1fb075437675a3db7e12',
   # 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.