Turn ScriptExecutionContext::vm() into a pure virtual function instead of using a non-virtual function that does type-checking inside.
Created attachment 412043 [details] Patch
Comment on attachment 412043 [details] Patch r=me
Committed r268868: <https://trac.webkit.org/changeset/268868> All reviewed patches have been landed. Closing bug and clearing flags on attachment 412043 [details].
<rdar://problem/70576507>