which can no longer happen since the end index and delta sizes are
checked in the surrounding condition.
Replace with a DCHECK to guard against potential errors.
BUG=None
Change-Id: I868d54c5923de773f248d10a40dbc6b2c563b0f1
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/231957
Reviewed-by: Johannes Kron <kron@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@nvidia.com>
Cr-Commit-Position: refs/heads/main@{#35210}
90c4b7280c