Resync content-security-policy web-platform-tests from upstream.
Created attachment 432831 [details] Patch
Created attachment 432934 [details] Patch
Created attachment 432960 [details] Patch
Created attachment 432977 [details] Patch
Created attachment 433039 [details] Patch
Created attachment 433068 [details] Patch
<rdar://problem/80399591>
Comment on attachment 433068 [details] Patch rs=me
Created attachment 433326 [details] Patch
Committed r279838 (239597@main): <https://commits.webkit.org/239597@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 433326 [details].