tree 8d53352d06abfe2b32e6dc94202fcea84a4b47bd
parent ca63f7b8908fb08d4d68a18b2520714cdc3daa7c
author Lei Zhang <thestig@chromium.org> 1589842685 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1589842685 +0000

Update third_party/base/optional.h.

Sync the header with Chromium's copy at http://crrev.com/752908, with
the usual PDFium modifications to make it build and avoid potential ODR
violations.

Change-Id: Iad3e75c96ba773830d323edf7d29d89b27eea197
Bug: 1435
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/69812
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>