Thia is already deprecated and unused in the tree. It was left only for addon-compat which is no longer relevant.

Comment on attachment 8906234 [details] Bug 1398445 - Remove window._content. https://reviewboard.mozilla.org/r/177986/#review183328 lgtm

hg error in cmd: hg push -r tip ssh://hg.mozilla.org/integration/autoland: pushing to ssh://hg.mozilla.org/integration/autoland searching for changes remote: adding changesets remote: adding manifests remote: adding file changes remote: added 1 changesets with 6 changes to 6 files remote: remote: WebIDL file dom/webidl/Window.webidl altered in changeset 62776e44e83c without DOM peer review remote: remote: remote: remote: ************************** ERROR **************************** remote: remote: Changes to WebIDL files in this repo require review from a DOM peer in the form of r=... remote: This is to ensure that we behave responsibly with exposing new Web APIs. We appreciate your understanding.. remote: remote: ************************************************************* remote: remote: remote: transaction abort! remote: rollback completed remote: pretxnchangegroup.d_webidl hook failed abort: push failed on remote

Comment on attachment 8906234 [details] Bug 1398445 - Remove window._content. https://reviewboard.mozilla.org/r/177986/#review184524

Pushed by VYV03354@nifty.ne.jp: https://hg.mozilla.org/integration/autoland/rev/b781fa501163 Remove window._content. r=mystor,qdot