Rename shadowed variable to fix upcoming clang warning improvement

See bug for new clang warning message and where the shadowing occurs.

Bug: 1448912
Change-Id: I08d754e7acaf9fa065a26e9804eb49b99bb1d189
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4566952


Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Arthur Eubanks <aeubanks@google.com>
Auto-Submit: Arthur Eubanks <aeubanks@google.com>
Cr-Commit-Position: refs/heads/main@{#1149317}