disk_block_cache: Remove Size from the interface since we never use it.
disk_block_cache: Remove Size from the interface since we never use it.

keybase/kbfs,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/kbfs,keybase/client,keybase/kbfs,keybase/client,keybase/kbfs,keybase/client