tree f1e9f3b045f6fa3a1e276389da2898b0212abf5e
parent bc1290560d96e95edd226460fa5995ab4e5945b8
author Lei Zhang <thestig@chromium.org> 1617254002 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1617254002 +0000

Use "= default' in more places.

See https://abseil.io/tips/131 for explanation.

Change-Id: I569e9b65176b072e75f39c33281e91776cf188cf
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/78911
Reviewed-by: Hui Yingst <nigi@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>