These objects are used by the `WI.DOMNodeDetailsSidebarPanel` (fetch the prototype chain of the selected `Node`) and `WI.JavaScriptRuntimeCompletionProvider` via `WI.CallFrame` (get the list of properties for the selected call frame).
Created attachment 375866 [details] Patch
Comment on attachment 375866 [details] Patch Very nice!! r=me
Comment on attachment 375866 [details] Patch Clearing flags on attachment: 375866 Committed r248589: <https://trac.webkit.org/changeset/248589>
All reviewed patches have been landed. Closing bug.
<rdar://problem/54240481>