Remove uses of (deprecated) FindIntKey

More eagerly convert the input to `Dict` and pass it as its more
specific type.

Bug: 1187001
Change-Id: I18ab919df017c895370c0665aa72d5490c18981e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4519917
Commit-Queue: Sylvain Defresne <sdefresne@chromium.org>
Auto-Submit: Matthew Riley <mattdr@google.com>
Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1142039}
NOKEYCHECK=True
GitOrigin-RevId: 7abf30ede34ddaee604be5817062d7aa6cd6f10b
1 file changed