Roll pdfium to ef619d0562b39f30943cfdc4985a0df233d00e42

ef619d0 Fix blank page issues caused by too strict check
90e29cb Fixed crash on NULL de-referencing
0d8b679 Fixing operator so that bCheckRight isn't always true
f4aceed Fixing format strings to remove 'z' size specifier
cf19caa Removing unnecessary casts from wchar_t
9ae02ac Zero initialize ch to avoid possible bug
418f6d0 Add Bruce to AUTHORS

BUG=427616,433339,433992

Review URL: https://codereview.chromium.org/749353002

Cr-Commit-Position: refs/heads/master@{#305517}
1 file changed