Based on telemetry and local testing, update the message filtering rules in the WebContent process' sandbox on iOS. Messages that have not been observed being in use, should be denied.
rdar://problem/60922910
Created attachment 397967 [details] Patch
Created attachment 398210 [details] Patch
Comment on attachment 398210 [details] Patch Looks good. r=me
Comment on attachment 398210 [details] Patch Thanks for reviewing!
Committed r261009: <https://trac.webkit.org/changeset/261009> All reviewed patches have been landed. Closing bug and clearing flags on attachment 398210 [details].
Reopening to attach new patch.
Created attachment 398857 [details] Patch
The Mac-wk2 is an unrelated issue (Eric is looking into it).
Comment on attachment 398857 [details] Patch r=me. I confirmed that the Mac-wk2 test failure is a new flakiness that landed recently.
Comment on attachment 398857 [details] Patch Thanks for reviewing!
Committed r261389: <https://trac.webkit.org/changeset/261389> All reviewed patches have been landed. Closing bug and clearing flags on attachment 398857 [details].
Re-opened since this is blocked by bug 211678
Created attachment 399020 [details] Patch
Created attachment 399040 [details] Patch
Committed r261490: <https://trac.webkit.org/changeset/261490> All reviewed patches have been landed. Closing bug and clearing flags on attachment 399040 [details].
Created attachment 399261 [details] Patch
Comment on attachment 399261 [details] Patch r=me
Comment on attachment 399261 [details] Patch Thanks for reviewing!
Committed r261634: <https://trac.webkit.org/changeset/261634> All reviewed patches have been landed. Closing bug and clearing flags on attachment 399261 [details].
Created attachment 399360 [details] Patch
Created attachment 399365 [details] Patch
Created attachment 399366 [details] Patch
Comment on attachment 399366 [details] Patch r=me
Committed r261696: <https://trac.webkit.org/changeset/261696> All reviewed patches have been landed. Closing bug and clearing flags on attachment 399366 [details].