Another pass over Source/WebKit/NetworkProcess to deploy more smart pointers.
Pull request: https://github.com/WebKit/WebKit/pull/33595
Committed 283655@main (8698b0e10aa0): <https://commits.webkit.org/283655@main> Reviewed commits have been landed. Closing PR #33595 and removing active labels.
<rdar://problem/135979742>