GitLab

Move the code that handles PDF document permissions to
pdfium_permissions.cc.

Change-Id: I01704423d089d24f6bdbfbee3b8c981977f19a38
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1726904
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683345}