tree 918c8b3864b4c56d50e5c71d6cd47efcf5f73b04
parent db46cc55f480b9f2e0c7e29ba9571f279616abef
author Lei Zhang <thestig@chromium.org> 1707422808 +0000
committer Pdfium LUCI CQ <pdfium-scoped@luci-project-accounts.iam.gserviceaccount.com> 1707422808 +0000

Switch from absl::optional to std::optional

Since absl::optional is using std::optional underneath, just switch to
using std::optional directly.

Change-Id: Ide39da5ac9c7551a710e653a60e15f022046df7b
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/116290
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Thomas Sepez <tsepez@google.com>