Remove V8-specific extended attributes from IDL files
Created attachment 197873 [details] Patch
Comment on attachment 197873 [details] Patch r=me
Created attachment 198134 [details] Patch
Uploaded a version that applies clean on top of vtable validation, so EWS can check it.
Comment on attachment 198134 [details] Patch r=me
Committed in https://trac.webkit.org/r148480