Hi Team, While going through Blink Commits, I came across following, which was removed in Blink 2015: Blink Commit - https://chromium.googlesource.com/chromium/blink/+/2af8662ff5b746790571b777ee2e3cc73db3e085 Webkit GitHub Source - https://github.com/WebKit/WebKit/blob/2b519ff97e74aa11c104cfb2dcb3d697db8d2a49/Source/WebCore/dom/Document.cpp#L1511 & https://github.com/WebKit/WebKit/blob/2b519ff97e74aa11c104cfb2dcb3d697db8d2a49/Source/WebCore/dom/Document.h#L475 etc. If it is already done, please ignore my bug. Thanks!
See the Document.idl; this already appears as `readonly`. *** This bug has been marked as a duplicate of bug 153367 ***