Use more std::span<uint8_t> in IPC::Decoder. There is still more to do, but this is a step in the right direction.
<rdar://problem/115075685>
Pull request: https://github.com/WebKit/WebKit/pull/17701
Committed 267956@main (1e7b936a641c): <https://commits.webkit.org/267956@main> Reviewed commits have been landed. Closing PR #17701 and removing active labels.
Committed 267815.105@safari-7617-branch (db966333919e): <https://commits.webkit.org/267815.105@safari-7617-branch> Reviewed commits have been landed. Closing PR #798 and removing active labels.